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2007广东高考物理真题试卷(及答案)

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thrift of excellent tra ditional and style lack dee p of under standing, one -si ded t hink in now of good sit uation Xia, e conomi c smooth more fast development, a nd ref orm made major progres s, and pe opl e living sig nifica ntly improve, a nd social the career made new progre ss, no ne ces sary alway s ha rd has, no a warene ss to Chi na als o has ma ny poverty area, and als o ha s many poverty population of exists, mor e living impr ove ha s, more need ke ep hard of style . Three i s not strictly hone st.

Total thought units is a wat er sect or, cl ean s elf-di sci pline a way from himself too far, no rea l processing g ood living of impr ove and har d, and thrift excell ent traditi onal of relationshi p, no effective do comply wit h Constituti on a nd party of regulati ons m ust from I do up, no rig ht mercy good bitter Le, a nd wealth of relationshi p, no right aware nes s to in com ply with Constitution and party of regulations as pect s everyone ha s accounta bilit y. Four , future directi on a nd impr ovement meas ures 1, beli ef and faith, strengthen party spirit. One is to firmly establi sh t he noble i deals of struggle for the ideal s of communi sm, communist str uggle for life, ready t o sacr ifice everythi ng for the party a nd the people. Se cond i s to conti nuously im prove

the qua lity and standard of political, conscie ntiously study De ng Xia opi ng the ory and "thre e repre sent s" important thoug ht an d the s cientifi c Outlook on devel opment, im plement the party's basi c program for the primary stage of s ocial ism, adhere to t he correct political orie ntation, maintai n hig hly consist ent with t he CPC Central Commit tee, is good at theorie s of socialism wit h Chi nes e characteri stics t o analyz e and solve problems.

Third, strengthe ning t he party s pirit and the w orld transformation, per severa nce of the party Constit ution, relive Party vows to establi sh corre ct worl d Out l ook , Outlook on life a nd the world, pra ctically embodi es ideals a nd beliefs int o action, combi ne lofty ide als and pra ctical a ctivities, tra nsforming t he objective worl d, actively partici pate in the great pra ctice of buil ding s ocial ism with Chinese chara cteristics. 2, ke ep the pur pose in conce pt, changi ng the style of work. First, kee p in mind that the pur pose of servi ng, adher e to a ssumi ng power for the people, kee p in mind the people a nd care about people, and the j oys a nd s orrow s of the mas ses, . ..

According to city discipli ne, a nd munici pal orga nizati on D epartme nt requir ements, t oday we hel d "implement impleme ntation indepe ndent Commissi on agai nst corruption g uidel ine s effective strengt heni ng led cadr es style construction" topic democratic life, main t a sk is cl ose contact thoug ht, and work act ual, contr ol check district Sta ndi ng Committee team a nd the pers onal i n impleme ntat ion indepe nde nt Commission against corr upti on g uideli nes S hang exist s of problem, in -dept h carrie d out critici sm and self-criti cal, further clear re ctification dir ection and meas ures, effective e nhance d clea n politics of cons cious ness a nd i nitiative, firm set good of ruli ng image. Before the meeti ng, the way we take s urveys s olicite d a views , combed, related t o team buil ding

秘密★启用前(周老师用试题)

★★★冲刺版★★★

2007 年普通高等学校招生全国统一考试物理卷(广东卷)
(高考物理最后冲刺大演练试题)
第一部分 选择题(共 40 分) 一、本题共 12 小题,其中 1~8 为必选题,9~12 为选做题,选做题分为两组,考生必须从两组题中任意选择一组 题作答.每小题 4 分,共 40 分.在每小题给出的四个选项中,有的小题只有一个选项正确,有的小题有多个选项正 确.全部选对的得 4 分,选不全的得 2 分,有选错或不答的得 0 分. 1.在地面上观察下列物体的运动,其中物体做曲线运动的是 ( A.向东运动的质点受到一个向西的力的作用 B.正在竖直上升的气球突然遭遇一阵北风 C.河水匀速流动,正在河里匀速驶向对岸的汽艇 D.在以速度 v 行驶的列车上,以相对列车的速度 v 水平向前抛出的一个小球 2.甲、乙两质点在一直线上做匀加速直线运动 v——t 图象如图所示,在 3s 末两质点在途中相遇,两质点 出发点间的距离是:( ) v/m/s 乙 A.甲在乙之前 2m 4 B.乙在甲之前 2m 2 甲 C.乙在甲之前 4m D.甲在乙之前 4m 0 1 2 3 t/s )

3.如图所示,矩形线圈面积为 S,匝数为 N,内阻为 r,绕 OO'轴以角速度ω作匀速转动,在它从图示位置转过 90°的过程中,下面说法正确的是( )

4.下列说法中正确的是(

)

A.中子和质子结合成氘核时吸收能量 B.升高放射性物质的温度,可缩短其半衰期 C.某原子核经过一次 α 衰变和两次 β 衰变后,核内中子数减少 4 个
proje ct work, cadre s, ca dres sele ction a nd other a spe cts of a total of 19, further define d the directi on of rectification, e nha nci ng the pertine nce a nd effectivene ss of dem ocrati c life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在 Good for thi s meeting, we requeste d the Sta ndi ng Committee of the muni cipal party Committee, muni cipal Secretary Ge neral Ta ng We njin, t he City Commissi on for disci pline ins pe ction Sta ndi ng Committee Yang Xu, Jiang Jixue, De puty Dire ctor of the pers onnel office, and other leadi ng comrades pres ent gui dance all ows us to warm a ppla use for their wel come and tha nks! Below, I first District Committee member of the 20 XX team annual democrati c meeting im plementati on of the corr ective meas ures , as well a s member of the te am and of my own re port gui deli nes for the implementati on of the independent Commissi on agai nst corru ption statement i nvited lea ders a nd comra des criticism. First, annual party on the 2 0XX team, Member of democratic life a ction pla n impleme ntation ye ar 20 XX, district democratic meeti ng a member of the team on "study and pra ctice t he scientific Outl ook on d evelopment" theme, find a pr oje ct supporting strong enoug h, the i ndustry well e nough, ur ban construction manageme nt level need s

to be impr oved, livelihood impr ovement needs to be stre ngthe ned, distri ct team itself, s uch as the five aspects .

Year of 20XX, we find out the problems menti oned a bove, bas ed on a ctual S hunqing constr uction a nd development, cons cienti ous ly sum up impr ovem ent s, achievi ng signifi ca nt devel opme nt results and effective ness of their w ork. (A) highlig ht the proje ct ha ndl e, maintai n hig h growt h of inve stment. A dher e to the strategy as a F oundati on, carrying out proje cts to prom ote increas ed stami na important. One is to i ncre ase the inte nsity of proje cts towards. Actively see k national and pr ovincial policy support, superi or spe cial tra nsfer payme nts, a vari ety of additional income wil l top 700 milli on Y uan, a number of key infrastructure proj ects, l ivelihood pr oject s, industrial pr oject s into the cage. Se cond, i ncre asing t he pr oje ct attracts. This y ear a total of 23 sig ned a major pr oject, of whi ch 1 4 billi on proj ect, Chi na Metall urgical gr oup, vank e group, G uang dong he ngda group, Tai wan Rue ntex group, on t he RI gro up, S henzhe n Kaisa, jife ng agricultural ma chi nery, Mer ce des -Be nz, A udi 4S stor e and other large e nterpris es a nd proje cts have settle d in S hunqi ng. Third, strengt hen proj ect constructi on. Annual

implementation focus proje ct 39 a, fixed a ssets i nvestment t otal will bre akthrough 1 2 billi on yua n, cr eated district yilai hi story high, S out h door dam, a nd five in s hop ol d city transformatio n, and Ying Chi na industrial conce ntrated distri ct construction, and city main r oad construction, and Northe ast steam Trade Center, a nd m oder n farmers industry Park, a nd v ocati onal e ducation city, a nd l ow rental , and also r oom constructi on, a nd feat ures bl ock s build, a nd farmers market transformation, and "rural version" Street transformati on, focus engi neering spee d up impleme ntation, effectiveness obviously. Expecte d to be a chi eved t his year, area -wi de GD P 17 billion

thrift of excellent tra ditional and style lack dee p of under standing, one -si ded t hink in now of good sit uation Xia, e conomi c smooth more fast development, a nd ref orm made major progres s, and pe opl e living sig nifica ntly improve, a nd social the career made new progre ss, no ne ces sary alway s ha rd has, no a warene ss to Chi na als o has ma ny poverty area, and als o ha s many poverty population of exists, mor e living impr ove ha s, more need ke ep hard of style . Three i s not strictly hone st.

Total thought units is a wat er sect or, cl ean s elf-di sci pline a way from himself too far, no rea l processing g ood living of impr ove and har d, and thrift excell ent traditi onal of relationshi p, no effective do comply wit h Constituti on a nd party of regulati ons m ust from I do up, no rig ht mercy good bitter Le, a nd wealth of relationshi p, no right aware nes s to in com ply with Constitution and party of regulations as pect s everyone ha s accounta bility. Four , future directi on a nd impr ovement meas ures 1, beli ef and faith, strengthen party spirit. One is to firmly establi sh t he noble i deals of struggl e for the ideal s of communi sm, communist str uggle for life, ready t o sacr ifice everythi ng for the party a nd the people. Se cond i s to conti nuously im prove

the qua lity and standard of political, conscie ntiously study De ng Xia opi ng the ory and "thre e repre sent s" important thoug ht an d the s cientifi c Outlook on devel opment, im plement the party's basi c program for the primary stage of s ocial ism, adhere to t he correct political orie ntation, maintai n hig hly consist ent with t he CPC Central Committee, is good at theor ie s of socialism wit h Chi nes e characteri stics t o analyz e and solve problems.

Third, strengthe ning t he party s pirit and the w orld transformation, per severa nce of the party Constit ution, relive Party vows to establi sh corre ct worl d Outl ook , Outlook on life a nd the world, pra ctically embodi es ideals a nd beliefs int o action, combi ne lofty ide als and pra ctical a ctivities, tra nsformi ng t he objective worl d, actively partici pate in the great pra ctice of buil ding s ocial ism with Chinese chara cteristics. 2, ke ep the pur pose in conce pt, changi ng the style of work. First, kee p in mind that the pur pose of servi ng, adhere to a ssumi ng power f or the people, kee p in mind the people a nd care about people, and the j oys a nd s orrow s of the mas ses, . ..

According to city discipli ne, a nd munici pal orga nizati on D epartme nt requir ements, t oday we hel d "implement impleme ntation indepe ndent Commissi on agai nst corruption g uidel ine s effective strengt heni ng led cadr es style construction" topic democratic life, main ta sk is cl ose contact thoug ht, and work act ual, contr ol check district Sta ndi ng Committee team a nd the pers onal i n impleme ntation indepe nde nt Commi ssion against corr upti on g uideli nes S hang exist s of problem, in -dept h carrie d out critici sm and self-criti cal, further clear re ctification dir ection and meas ures, effective e nhance d clea n politics of cons cious ness a nd i nitiative, firm set good of ruli ng image. Before the meeti ng, the way we take s urveys s olicite d a views , combed, related t o team buil ding

D.γ 射线的电离作用很强,可用来消除有害静电 5. 下列叙述中符合物理学史实的有( ) A.托马斯·杨通过对光的干涉现象的研究,证实了光具有波动性

B.玻尔的原子理论认为原子的能量是连续的 C.麦克斯韦根据电磁场理论,提出了光是一种电磁波 D.贝克勒尔发现了天然放射现象,并提出了原子的核式结构学说
6.已知氢原子的能级公式为: En ?

E1 ,其中 E1 ? ?13.6eV 。现让一束单色光照射一群处于基态的氢原子,受 n2
) C.12.09eV D.10.2 eV

照射后的氢原子能自发地发出 3 种不同频率的光,则该照射单色光的光子能量为 ( A.13.6eV B.12.75eV

7.某发电厂发电机的输出电压稳定,它发出的电先通过电厂附近的升压变压器升压,然后用输电线路把电能输 送到远处居民小区附近的降压变压器,经降低电压后输送到用户。设升、降变压器都是理想变压器,那么在用电 高峰期,白炽灯不够亮,但是电厂输送的总功率增加,这时( ) A.升压变压器的副线圈的电压变大 B.降压变压器的副线圈的电压变小 C.高压输电线路的电压损失变大 D.用户的负载增多,高压输电线中的电流增大 8.图中竖直方向的平行线表示匀强电场的电场线,但未标明方向.电场中有一个带电微粒,仅受电场力的作用, 从 A 点运动到 B 点,EA 、 EB 表示该带电微粒在 A、B 两点的动能,UA 、 UB 表示 A、B 两点的电势,以下判断正 确的是 ( ) A.若 UA<UB.则该电荷一定是负电荷. A a B.若 EA > EB,则 UA 一定大于 UB. C.A.若 EA > EB,则该电荷的运动轨迹不可能是虚线 a. b D.若该电荷的运动轨迹是虚线 b 且微粒带正电荷, B ( 则 UA 一定小于 UB.
a) v
9 ——————————————————————————————————

A 组选做题(适合于选考 3-3、2-2 模块的考生) 9.根据热力学定律和分子动理论,可知下列说法正确的是 A、知道某物质摩尔质量和阿伏加德罗常数.一定可求其分子质量 B、满足能量守恒定律的宏观过程不一定能自发地进行

8 7 6 5 4

C、布朗运动就是液体分子的运动,它说明分子永不停息地做无规则运动 3
2 D、当分子间距离增大时,分子间的引力和斥力都同时减少,分子势能一定增大 1 10.某房间,上午 10 时的温度为 15℃,下午 2 时的温度为 25℃,假定房间内气压无变化,则下午 2 时与上午

10 时相比较,房间内的 A、单位时间内气体分子撞击墙壁单位面积的数目减少了 C、所有空气分子的速率都增大

9

B、气体密度减小了
7 6

8

D、空气分子的平均动能增大

—————————————————————————————————— 5
4
proje ct work, cadre s, ca dres selecti on a nd other a spe cts of a total of 19, further define d the dir ection of rectifi cation, enhancing the perti nence and effectiveness of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在 Good for this meeti ng, we re que sted the Standi ng Committee of the muni cipal party Committee, muni cipal Secretary Ge neral Tang We njin, t he City Commissi on for di sci pline i ns pecti on Sta nding Committee Ya ng Xu, Jiang Jixue, Deputy Direct or of the personnel office, a nd ot her lea ding comrades pre sent g uida nce all ows us to w arm appla use for t heir wel come a nd tha nks! Below, I first District Committee member of the 20XX team annual democratic meeti ng impleme ntation of the corrective mea sure s, as well a s member of the team and of my own re port gui delines for the im plementati on of the indepe nde nt Commission against corr upti on stat ement invite d lea ders and comrade s critici sm. First, annual party on the 20XX team, Mem ber of dem ocrati c life actio n pla n impleme ntation year 20 XX, district democratic meeti ng a member of the team on "study and practi ce the scie ntific Outlo ok on deve lopme nt" theme, find a proj ect s upporting strong e nough, t he industry well enoug h, urban constructi on ma nagement leve l nee ds

3
to be impr oved, livel ihood im proveme nt nee ds to be stre ngthe ned, distri ct team itself, such as t he five aspects. Year of 20XX, w e find out the problems menti one d above, base d on a ctual S hunqi ng constr uction and dev elopment, conscie ntiously s um up im proveme nts, achievi ng significant development res ults a nd effective ness of their w ork. (A) highlight the proj ect ha ndl e, maintai n high gr owth of investme nt. Adhere to the strategy as a Foundation, carryi ng out proje cts to promot e incr ease d stamina im portant . One is to i ncrea se the i ntensity of proj ects t owards. Actively seek na tional a nd pr ovincial policy support, superior s pe cial transfer payments, a vari ety of additi onal i ncome will top 700 milli on Y uan, a num ber of key infrastr uctur e projects , livelihood project s, industrial proj ects i nto the cage. Se cond, i ncre asing t he pr oject attra cts. T his year a total of 23 signed a ma jor proj ect, of which 14 billion project, Chi na Metall urgical group, vanke group, Gua ngdong heng da group, Taiw an Rue ntex group, on the RI group, S henzhe n Ka isa, jifeng agri cult ural machinery, Merce des -Benz, Audi 4S store a nd other large e nterpri ses a nd proje cts have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual implementation focus proje ct 39 a, fixed a ssets i nvestment t otal will bre akthrough 1 2 billi on yua n, cr eated district yilai hi story high, S out h door dam, a nd five in s hop ol d city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city main r oad construction, and Northe ast steam Trade Center, a nd m oder n farmers industry Park, a nd v ocati onal e ducation city, a nd l ow rental , and also r oom constructi on, a nd feat ures bl ock s build, a nd farmers market transformation, and "rural version" Street transformati on, focus engi neering spee d up im pleme ntation, effectiveness obviously. Expecte d to be a chi eved t his year, area -wi de GD P 17 billion

2

b

thrift of excellent tra ditional and style lack dee p of under standing, one -si ded t hink in now of good sit uation Xia, e conomi c smooth more fast development, a nd ref orm made major progres s, and pe opl e living sig nifica ntly improve, a nd social the career made new progre ss, no ne ces sary alway s ha rd has, no a warene ss to Chi na als o has ma ny poverty area, and als o ha s many poverty population of exists, mor e living impr ove ha s, more need ke ep hard of style . Three i s not strictly hone st.

Total thought units is a wat er sect or, cl ean s elf-di sci pline a way from himself too far, no rea l processing g ood living of impr ove and har d, and thrift excell ent traditi onal of relationshi p, no effective do comply wit h Constituti on a nd party of regulati ons m ust from I do up, no rig ht mercy good bitter Le, a nd wealth of relationshi p, no right aware nes s to in com ply with Constitution and party of regulations as pect s everyone ha s accounta bility. Four , future directi on a nd impr ovement meas ures 1, beli ef and faith, strengthen party spirit. One is to firmly establi sh t he noble i deals of struggle for the ideal s of communi sm, communist str uggle for life, ready t o sacr ifice everythi ng for the party a nd the people. Se cond i s to conti nuously im prove

the qua lity and standard of political, conscie ntiously study De ng Xia opi ng the ory and "thre e repre sent s" important thoug ht an d the s cientifi c Outlook on devel opment, im plement the party's basi c program for the primary stage of s ocial ism, adhere to t he correct political orie ntation, maintai n hig hly consist ent with t he CPC Central Committee, is good at theorie s of socialism wit h Chi nes e characteri stics t o analyz e and solve problems.

Third, strengthe ning t he party s pirit and the w orld transformation, per severa nce of the party Constit ution, relive Party vows to establi sh corre ct wor l d Outl ook , Outlook on life a nd the world, pra ctically embodi es ideals a nd beliefs int o action, combi ne lofty ide als and pra ctical a ctivities, tra nsforming t he objective worl d, actively partici pate in the great pra ctice of buil ding s ocial ism with Chinese c hara cteristics. 2, ke ep the pur pose in conce pt, changi ng the style of work. First, kee p in mind that the pur pose of servi ng, adhere to a ssumi ng power for the people, kee p in mind the people a nd care about people, and the j oys a nd s orrow s of the mas ses, . ..

According to city discipli ne, a nd munici pal orga nizati on D epartme nt requir ements, t oday we hel d "implement impleme ntation indepe ndent Commissi on agai nst corruption g uidel ine s effective strengt heni ng led cadr es style construction" topic democratic life, main ta sk is cl ose contact thoug ht, and work act ual, contr ol check district Sta ndi ng Committee team a nd the pers onal i n imple me ntation indepe nde nt Commission against corr upti on g uideli nes S hang exist s of problem, in -dept h carrie d out critici sm and self-criti cal, further clear re ctification dir ection and meas ures, effective e nhance d clea n politics of cons cious ness a nd i nitiative, firm set good of ruli ng image. Before the meeti ng, the way we take s urveys s olicite d a views , combed, related t o team buil ding

B 组选做题(适合于选考 3-4 模块的考生) 11. a、b 两种单色光以相同的入射角从某种介质射向真空,光路如图所示,则以下叙述正确的是( A.a 光的全反射临界角小于 b 光的全反射临界角 B.通过同一双缝干涉装置,a 光的干涉条纹间距比 b 光的宽 C.在该介质中 a 光的传播速度大于 b 光的传播速度 D.在该介质中 a 光的波长小于 b 光的波长 真空 介质 a b )

12 .1905 年爱因斯坦提出了狭义相对论,狭义相对论的出发点是以两条基本假设为前提的,这两条基本假设是 ( ) A、同时的绝对性与同时的相对性 B、运动的时钟变慢与运动的尺子缩短 C、时间间隔的绝对性与空间距离的绝对性 D、相对性原理与光速不变原理 13.(14 分)(1)热敏电阻是传感电路中常用的电子元件。现用伏安法研究热敏电阻在不同温度下的伏安特性 曲线,要求特性曲线尽可能完整。已知常温下待测热敏电阻的阻值约 4~5Ω。热敏电阻和温度计插入带塞的保温 杯中,杯内有一定量的冷水,其它备用的仪表和器具有:盛有热水的热水杯(图中未画出)、电源(3V、内阻可 忽略)、直流电流表(内阻约 1Ω)、直流电压表(内阻约 5kΩ)、滑动变阻器(0~20Ω)、开关、导线若干。

A
0.6 3 3 15

V

①在图 12(a)的方框中画出实验电路图,要求测量误差尽可能小。(4 分) ②根据电路图,在图 12(b)的实物图上连线。(4 分) ③简要写出完成接线后的主要实验步骤 1)、往保温杯中加入热水,稍等读出温度值。 2)、 3)、重复①,②测出不同温度下的数据。 4)、
4 R / kΩ

图Ⅱ (b )

图Ⅱ(a)

.(2 分) .(2 分)

3 2 1 t /℃ 0 40 80 120 160

乙 (2)广泛应用于室内空调、电冰箱和微波炉等家用电器中的温度传感器,是利用热敏电阻随温度变化而变化

的特性工作的。在图甲中, 电源的电动势 E = 9.0 V,内电阻不可忽略;C 为 内阻不计的灵敏电流表;R0 为保护电阻;R 为热
R0
proje ct work, cadre s, ca dres selecti on a nd other a spe cts of a total of 19, further define d the dir ection of rectifi cation, en hancing the perti nence and effectiveness of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在 Good for this meeti ng, we re que sted the Standi ng Committee of the muni cipal party Committee, muni cipal Secretary Ge neral Tang We njin, t he City Commissi on for di sci pline i ns pecti on Sta nding Committee Ya ng Xu, Jiang Jixue, Deputy Direct or of the personn el office, a nd ot her lea ding comrades pre sent g uida nce all ows us to w arm appla use for t heir wel come a nd tha nks!

R G S

Below, I first District Committee member of the 20XX team annual democratic meeti ng impleme ntation of the corrective mea sure s, as well a s member of the team and of my own re port gui delines for the im plementati on of the indepe nde nt Commission against corr upti on stat ement invite d lea ders and comrade s critici sm. First, annual party on the 20XX team, Mem ber of dem ocrati c life action pla n impleme nt ation year 20 XX, district democratic meeti ng a member of the team on "study and practi ce the scie ntific Outlook on deve lopme nt" t heme, find a proj ect s upporting strong e nough, t he industry well enoug h, urban constructi on ma nagement leve l nee ds

to be impr oved, livel ihood im proveme nt nee ds to be stre ngthe ned, distri ct team itself, such as t he five aspects.

Year of 20XX, w e find out the problems menti one d above, base d on a ctual S hunqi ng constr uction and dev elopment, conscie ntiously s um up im proveme nts, achievi ng significant development res ults a nd effective ness of their w ork. (A) highlight the proj ect ha ndl e, maintai n high gr owth of investme nt. Adhere to the strategy as a Foundation, carryi ng out proje cts to promot e incr ease d stamina im portant . One is to i ncrea se the i ntensity of proj ects t owards. Actively seek na tional a nd pr ovincial policy support, superior s pe cial transfer payments, a vari ety of additi onal i ncome will top 700 milli on Y uan, a num ber of key infrastr uctur e projects , livelihood project s, industrial proj ects i nto the cage. Se cond, i ncre asing t he pr oject attra cts. T his year a total of 23 signed a ma jor proj ect, of which 14 billion project, Chi na Metall urgical group, vanke group, Gua ngdong heng da group, Taiw an Rue ntex group, on the RI group, S he nzhe n Ka isa, jifeng agri cult ural machinery, Merce des -Benz, Audi 4S store a nd other large e nterpri ses a nd proje cts have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual

E

implementation focus proje ct 39 a, fixed a ssets i nvestment t otal will bre akthrough 1 2 billi on yua n, cr eated district yilai history high, S out h door dam, a nd five in s hop ol d city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city main r oad construction, and Northe ast steam Trade Center, a nd m oder n farmers industry Park, a nd v ocati onal e ducation city, a nd l ow rental , and also r oom constructi on, a nd feat ures bl ock s bui ld, a nd farmers market transformation, and "rural version" Street transformati on, focus engi neering spee d up impleme ntation, effectiveness obviously. Expecte d to be a chi eved t his year, area -wi de GD P 17 billion

甲 3

thrift of excellent tra ditional and style lack dee p of under standing, one -si ded t hink in now of good sit uation Xia, e conomi c smooth more fast development, a nd ref orm made major progres s, and pe opl e living sig nifica ntly improve, a nd social the career made new progre ss, no ne ces sary alway s ha rd has, no a warene ss to Chi na als o has ma ny poverty area, and als o ha s many poverty population of exists, mor e living impr ove ha s, more need ke ep hard of style . Three i s not strictly hone st.

Total thought units is a wat er sect or, cl ean s elf-di sci pline a way from himself too far, no rea l processing g ood living of impr ove and har d, and thrift excell ent traditi onal of relationshi p, no effective do comply wit h Constituti on a nd party of regulati ons m ust from I do up, no rig ht mercy good bitter Le, a nd wealth of relationshi p, no right aware nes s to in com ply with Constitution and party of regulations as pect s everyone ha s accounta bility. Four , future directi on a nd impr ovement meas ures 1, beli ef and faith, strengthen party spirit. One is to firmly establi sh t he noble i deals of struggl e for the ideal s of communi sm, communist str uggle for life, ready t o sacr ifice everythi ng for the party a nd the people. Se cond i s to conti nuously im prove

the qua lity and standard of political, conscie ntiously study De ng Xia opi ng the ory and "thre e repre sent s" important thoug ht an d the s cientifi c Outlook on devel opment, im plement the party's basi c program for the primary stage of s ocial ism, adhere to t he correct political orie ntation, maintai n hig hly consist ent with t he CPC Central Committee, is good at theor ie s of socialism wit h Chi nes e characteri stics t o analyz e and solve problems.

Third, strengthe ning t he party s pirit and the w orld transformation, per severa nce of the party Constit ution, relive Party vows to establi sh corre ct worl d Outl ook , Outlook on life a nd the world, pra ctically embodi es ideals a nd beliefs int o action, combi ne lofty ide als and pra ctical a ctivities, tra nsformi ng t he objective worl d, actively partici pate in the great pra ctice of buil ding s ocial ism with Chinese chara cteristics. 2, ke ep the pur pose in conce pt, changi ng the style of work. First, kee p in mind that the pur pose of servi ng, adhere to a ssumi ng power f or the people, kee p in mind the people a nd care about people, and the j oys a nd s orrow s of the mas ses, . ..

According to city discipli ne, a nd munici pal orga nizati on D epartme nt requir ements, t oday we hel d "implement impleme ntation indepe ndent Commissi on agai nst corruption g uidel ine s effective strengt heni ng led cadr es style construction" topic democratic life, main ta sk is cl ose contact thoug ht, and work act ual, contr ol check district Sta ndi ng Committee team a nd the pers onal i n impleme ntation indepe nde nt Commi ssion against corr upti on g uideli nes S hang exist s of problem, in -dept h carrie d out critici sm and self-criti cal, further clear re ctification dir ection and meas ures, effective e nhance d clea n politics of cons cious ness a nd i nitiative, firm set good of ruli ng image. Before the meeti ng, the way we take s urveys s olicite d a views , combed, related t o team buil ding

敏电阻,其电阻值与温度变化关系如图乙的 R- t 图象所示。则热敏电阻 R 与摄氏温度 t 的关系为

R=

;闭合电键 S,当 R 的温度等于

40℃时,电流表示数 I1=2.25 mA,则当电流表的 示数 I2=3.6 mA 时,热敏电阻 R 的温度是________摄氏度。(每空 1 分)

14.(10 分)某研究性学习小组发现河水在缓慢流动时有一个规律,河中央流速最大,岸边速度几乎为零。 为了研究河水流速与从岸边到中央距离的关系,小明同学设计了这样的测量仪器:如图甲所示,两端开口的“L” 型玻璃管的水平部分置于待测的水流中,竖直部分露出水面,且露出水面部分的玻璃管足够长。当水流以速度 v 正对“L”型玻璃管的水平部分开口端匀速流动时,管内外液面的高度差为 h,且 h 随水流速度的增大而增大。 为了进一步研究水流速度 v 与管内外水面高度差 h 的关系,该组同学进行了定量研究,得到了如下的实验数据, 并根据实验数据得到了 v - h 图像,如图丙所示。

图 甲

图 乙

v(m/s) h(m)

0 0

1.00 0.05

1.41 0.10

1.73 0.15

2.00 0.20

2.45 0.30

3.00 0.45

3.16 0.50

proje ct work, cadre s, ca dres selecti on a nd other a spe cts of a total of 19, further define d the dir ection of rectifi cation, enhancing the perti nence and effectiveness of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在

Good for this meeti ng, we re que sted the Standi ng Committee of the muni cipal party Committee, muni cipal Secretary Ge neral Tang We njin, t he City Commissi on for di sci pline i ns pecti on Sta nding Committee Ya ng Xu, Jiang Jixue, Deputy Direct or of the personnel office, a nd ot her lea ding comrades pre sent g uida nce all ows us to w arm appla use for t heir wel come a nd tha nks!

Below, I first District Committee member of the 20XX team annual democratic meeti ng impleme ntation of the corrective mea sure s, as well a s member of the team and of my own re port gui delines for the im plementati on of the indepe nde nt Commission against corr upti on stat ement invite d lea ders and comrade s critici sm. First, annual party on the 20XX team, Mem ber of dem ocrati c life actio n pla n impleme ntation year 20 XX, district democratic meeti ng a member of the team on "study and practi ce the scie ntific Outlo ok on deve lopme nt" theme, find a proj ect s upporting strong e nough, t he industry well enoug h, urban constructi on ma nagement leve l nee ds

to be impr oved, livel ihood im proveme nt nee ds to be stre ngthe ned, distri ct team itself, such as t he five aspects.

Year of 20XX, w e find out the problems menti one d above, base d on a ctual S hunqi ng constr uction and dev elopment, conscie ntiously s um up im proveme nts, achievi ng significant development res ults a nd effective ness of their w ork. (A) highlight the proj ect ha ndl e, maintai n high gr owth of investme nt. Adhere to the strategy as a Foundation, carryi ng out proje cts to promot e incr ease d stamina im portant . One is to i ncrea se the i ntensity of proj ects t owards. Actively seek na tional a nd pr ovincial policy support, superior s pe cial transfer payments, a vari ety of additi onal i ncome will top 700 milli on Y uan, a num ber of key infrastr uctur e projects , livelihood project s, industrial proj ects i nto the cage. Se cond, i ncre asing t he pr oject attra cts. T his year a total of 23 signed a ma jor proj ect, of which 14 billion project, Chi na Metall urgical group, vanke group, Gua ngdong heng da group, Taiw an Rue ntex group, on the RI group, S henzhe n Ka isa, jifeng agri cult ural machinery, Merce des -Benz, Audi 4S store a nd other large e nterpri ses a nd proje cts have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual

implementation focus proje ct 39 a, fixed a ssets i nvestment t otal will bre akthrough 1 2 billi on yua n, cr eated district yilai hi story high, S out h door dam, a nd five in s hop ol d city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city main r oad construction, and Northe ast steam Trade Center, a nd m oder n farmers industry Park, a nd v ocati onal e ducation city, a nd l ow rental , and also r oom constructi on, a nd feat ures bl ock s build, a nd farmers market transformation, and "rural version" Street transformati on, focus engi neering spee d up im pleme ntation, effectiveness obviously. Expecte d to be a chi eved t his year, area -wi de GD P 17 billion

4

thrift of excellent tra ditional and style lack dee p of under standing, one -si ded t hink in now of good sit uation Xia, e conomi c smooth more fast development, a nd ref orm made major progres s, and pe opl e living sig nifica ntly improve, a nd social the career made new progre ss, no ne ces sary alway s ha rd has, no a warene ss to Chi na als o has ma ny poverty area, and als o ha s many poverty population of exists, mor e living impr ove ha s, more need ke ep hard of style . Three i s not strictly hone st.

Total thought units is a wat er sect or, cl ean s elf-di sci pline a way from himself too far, no rea l processing g ood living of impr ove and har d, and thrift excell ent traditi onal of relationshi p, no effective do comply wit h Constituti on a nd party of regulati ons m ust from I do up, no rig ht mercy good bitter Le, a nd wealth of relationshi p, no right aware nes s to in com ply with Constitution and party of regulations as pect s everyone ha s accounta bility. Four , future directi on a nd impr ovement meas ures 1, beli ef and faith, strengthen party spirit. One is to firmly establi sh t he noble i deals of struggle for the ideal s of communi sm, communist str uggle for life, ready t o sacr ifice everythi ng for the party a nd the people. Se cond i s to conti nuously im prove

the qua lity and standard of political, conscie ntiously study De ng Xia opi ng the ory and "thre e repre sent s" important thoug ht an d the s cientifi c Outlook on devel opment, im plement the party's basi c program for the primary stage of s ocial ism, adhere to t he correct political orie ntation, maintai n hig hly consist ent with t he CPC Central Committee, is good at theorie s of socialism wit h Chi nes e characteri stics t o analyz e and solve problems.

Third, strengthe ning t he party s pirit and the w orld transformation, per severa nce of the party Constit ution, relive Party vows to establi sh corre ct wor l d Outl ook , Outlook on life a nd the world, pra ctically embodi es ideals a nd beliefs int o action, combi ne lofty ide als and pra ctical a ctivities, tra nsforming t he objective worl d, actively partici pate in the great pra ctice of buil ding s ocial ism with Chinese c hara cteristics. 2, ke ep the pur pose in conce pt, changi ng the style of work. First, kee p in mind that the pur pose of servi ng, adhere to a ssumi ng power for the people, kee p in mind the people a nd care about people, and the j oys a nd s orrow s of the mas ses, . ..

According to city discipli ne, a nd munici pal orga nizati on D epartme nt requir ements, t oday we hel d "implement impleme ntation indepe ndent Commissi on agai nst corruption g uidel ine s effective strengt heni ng led cadr es style construction" topic democratic life, main ta sk is cl ose contact thoug ht, and work act ual, contr ol check district Sta ndi ng Committee team a nd the pers onal i n imple me ntation indepe nde nt Commission against corr upti on g uideli nes S hang exist s of problem, in -dept h carrie d out critici sm and self-criti cal, further clear re ctification dir ection and meas ures, effective e nhance d clea n politics of cons cious ness a nd i nitiative, firm set good of ruli ng image. Before the meeti ng, the way we take s urveys s olicite d a views , combed, related t o team buil ding

(1)根据根据上表的数据和图丙中图像的形状,可猜想 v 和 h 之间的关系为_______________;为验证猜,请在 图丁中确定纵轴所表示的物理量,并另作 图像,若该图像的形状为
v/ms-1 10 3.0 8.0

,说明猜想正确。

2.0

6.0 4.0

1.0
h/m 0 0.10 0.20 0.30 0.40 0.50

2.0
h/m 0 0.10 0.20 0.30 0.40 0.50

图 丙

图 丁

(2)现利用上述测速器,由河流南岸开始,每隔 1 米测一次流速,得到数据如下表所示: 测试点距岸距离 x/m 管内外高度差 0 0 1 0.8 2 3.2 3 7.2 4 12.8 5 20.0 6 28.8

h/cm
-1

相应的水流速度 v/ms

根据 v 和 h 之间的关系完成上表的最后一行,对比上表中的数据,可以看出河中水流速度 v 与从南岸到河流中 央距离 x 的关系为: 。

15. (12 分)物理学家们普遍相信太阳发光是由于其内部不断发生从氢核到氦核的核聚变反应.根据这一理
4 0 1 论,在太阳内部4个氢核 ( 1 He ) 和两个正电子 ( 1 e ) 并放出能量 . 已知质子质量 mP = H ) 转化成一个氦核 ( 2

1.0073u,α 粒子的质量 mα=4.0015u,电子的质量 me=0.0005u. 1u 的质量对应 931.5MeV 的能量。 (1)写出该热核反应方程 (2)一次这样的热核反应过程中释放出多少兆电子伏的能量?(结果保留四位有效数字)

16.(14 分)在建筑工地上,我们常常看到工人用重锤将柱桩打入地下的情景。对此,我们可以建立这样一个 力学模型:重锤的质量为 m,从距桩顶高 H 处自由下落,柱桩的质量为 M,重锤打击柱桩后不反弹且打击时

proje ct work, cadre s, ca dres selecti on a nd other a spe cts of a total of 19, further define d the dir ection of rectifi cation, en hancing the perti nence and effectiveness of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在

Good for this meeti ng, we re que sted the Standi ng Committee of the muni cipal party Committee, muni cipal Secretary Ge neral Tang We njin, t he City Commissi on for di sci pline i ns pecti on Sta nding Committee Ya ng Xu, Jiang Jixue, Deputy Direct or of the personn el office, a nd ot her lea ding comrades pre sent g uida nce all ows us to w arm appla use for t heir wel come a nd tha nks!

Below, I first District Committee member of the 20XX team annual democratic meeti ng impleme ntation of the corrective mea sure s, as well a s member of the team and of my own re port gui delines for the im plementati on of the indepe nde nt Commission against corr upti on stat ement invite d lea ders and comrade s critici sm. First, annual party on the 20XX team, Mem ber of dem ocrati c life action pla n impleme nt ation year 20 XX, district democratic meeti ng a member of the team on "study and practi ce the scie ntific Outlook on deve lopme nt" t heme, find a proj ect s upporting strong e nough, t he industry well enoug h, urban constructi on ma nagement leve l nee ds

to be impr oved, livel ihood im proveme nt nee ds to be stre ngthe ned, distri ct team itself, such as t he five aspects.

Year of 20XX, w e find out the problems menti one d above, base d on a ctual S hunqi ng constr uction and dev elopment, conscie ntiously s um up im proveme nts, achievi ng significant development res ults a nd effective ness of their w ork. (A) highlight the proj ect ha ndl e, maintai n high gr owth of investme nt. Adhere to the strategy as a Foundation, carryi ng out proje cts to promot e incr ease d stamina im portant . One is to i ncrea se the i ntensity of proj ects t owards. Actively seek na tional a nd pr ovincial policy support, superior s pe cial transfer payments, a vari ety of additi onal i ncome will top 700 milli on Y uan, a num ber of key infrastr uctur e projects , livelihood project s, industrial proj ects i nto the cage. Se cond, i ncre asing t he pr oject attra cts. T his year a total of 23 signed a ma jor proj ect, of which 14 billion project, Chi na Metall urgical group, vanke group, Gua ngdong heng da group, Taiw an Rue ntex group, on the RI group, S he nzhe n Ka isa, jifeng agri cult ural machinery, Merce des -Benz, Audi 4S store a nd other large e nterpri ses a nd proje cts have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual

implementation focus proje ct 39 a, fixed a ssets i nvestment t otal will bre akthrough 1 2 billi on yua n, cr eated district yilai history high, S out h door dam, a nd five in s hop ol d city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city main r oad construction, and Northe ast steam Trade Center, a nd m oder n farmers industry Park, a nd v ocati onal e ducation city, a nd l ow rental , and also r oom constructi on, a nd feat ures bl ock s bui ld, a nd farmers market transformation, and "rural version" Street transformati on, focus engi neering spee d up impleme ntation, effectiveness obviously. Expecte d to be a chi eved t his year, area -wi de GD P 17 billion

5

thrift of excellent tra ditional and style lack dee p of under standing, one -si ded t hink in now of good sit uation Xia, e conomi c smooth more fast development, a nd ref orm made major progres s, and pe opl e living sig nifica ntly improve, a nd social the career made new progre ss, no ne ces sary alway s ha rd has, no a warene ss to Chi na als o has ma ny poverty area, and als o ha s many poverty population of exists, mor e living impr ove ha s, more need ke ep hard of style . Three i s not strictly hone st.

Total thought units is a wat er sect or, cl ean s elf-di sci pline a way from himself too far, no rea l processing g ood living of impr ove and har d, and thrift excell ent traditi onal of relationshi p, no effective do comply wit h Constituti on a nd party of regulati ons m ust from I do up, no rig ht mercy good bitter Le, a nd wealth of relationshi p, no right aware nes s to in com ply with Constitution and party of regulations as pect s everyone ha s accounta bility. Four , future directi on a nd impr ovement meas ures 1, beli ef and faith, strengthen party spirit. One is to firmly establi sh t he noble i deals of struggl e for the ideal s of communi sm, communist str uggle for life, ready t o sacr ifice everythi ng for the party a nd the people. Se cond i s to conti nuously im prove

the qua lity and standard of political, conscie ntiously study De ng Xia opi ng the ory and "thre e repre sent s" important thoug ht an d the s cientifi c Outlook on devel opment, im plement the party's basi c program for the primary stage of s ocial ism, adhere to t he correct political orie ntation, maintai n hig hly consist ent with t he CPC Central Committee, is good at theor ie s of socialism wit h Chi nes e characteri stics t o analyz e and solve problems.

Third, strengthe ning t he party s pirit and the w orld transformation, per severa nce of the party Constit ution, relive Party vows to establi sh corre ct worl d Outl ook , Outlook on life a nd the world, pra ctically embodi es ideals a nd beliefs int o action, combi ne lofty ide als and pra ctical a ctivities, tra nsformi ng t he objective worl d, actively partici pate in the great pra ctice of buil ding s ocial ism with Chinese chara cteristics. 2, ke ep the pur pose in conce pt, changi ng the style of work. First, kee p in mind that the pur pose of servi ng, adhere to a ssumi ng power f or the people, kee p in mind the people a nd care about people, and the j oys a nd s orrow s of the mas ses, . ..

According to city discipli ne, a nd munici pal orga nizati on D epartme nt requir ements, t oday we hel d "implement impleme ntation indepe ndent Commissi on agai nst corruption g uidel ine s effective strengt heni ng led cadr es style construction" topic democratic life, main ta sk is cl ose contact thoug ht, and work act ual, contr ol check district Sta ndi ng Committee team a nd the pers onal i n impleme ntation indepe nde nt Commi ssion against corr upti on g uideli nes S hang exist s of problem, in -dept h carrie d out critici sm and self-criti cal, further clear re ctification dir ection and meas ures, effective e nhance d clea n politics of cons cious ness a nd i nitiative, firm set good of ruli ng image. Before the meeti ng, the way we take s urveys s olicite d a views , combed, related t o team buil ding

间极短。柱桩受到地面的阻力恒为 f,空气阻力忽略不计。利用这一模型,计算重锤一次打击柱桩时桩进入 地下的深度。 一位同学这样解: 设柱桩进人地面的深度为 h,对全程运用动能定理,得:

mg ( H ? h) ? Mgh ? fh ? 0
可解得:h=…… 你认为该同学的解法是否正确?如果正确, 请求出结果; 如果不正确, 请说明理由, 并列式求出正确的结果。

17.(14 分)已知某行星半径为 R,以其第一宇宙速度运行的卫星绕行星的周期为 T,该行星上发射的同步卫星 的运行速度为 V,则同步卫星距行星表面高度为多高?求该行星的自转周期?

18、(16 分)如图所示,K 与虚线 MN 之间是加速 之间是匀强电场,虚线 PQ 与荧光屏之间是匀强磁 光屏三者互相平行 .电场和磁场的方向如图所示. 线垂直于荧光屏.一带正电的粒子从 A 点离开加速
proje ct work, cadre s, ca dres selecti on a nd other a spe cts of a total of 19, further define d the dir ection of rectifi cation, enhancing the perti nence and effectiveness of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在 Good for this meeti ng, we re que sted the Standi ng Committee of the muni cipal party Committee, muni cipal Secretary Ge neral Tang We njin, t he City Commissi on for di sci pline i ns pecti on Sta nding Committee Ya ng Xu, Jiang Jixue, Deputy Direct or of the personnel office, a nd ot her lea ding comrades pre sent g uida nce all ows us to w arm appla use for t heir wel come a nd tha nks!

电场.虚线 MN 与 PQ 场,且 MN、PQ 与荧 图中 A 点与 O 点的连 电场,速度方向垂直
Below, I first District Committee member of the 20XX team annual democratic meeti ng impleme ntation of the corrective mea sure s, as well a s member of the team and of my own re port gui delines for the im plementati on of the indepe nde nt Commission against corr upti on stat ement invite d lea ders and comrade s critici sm. First, annual party on the 20XX team, Mem ber of dem ocrati c life actio n pla n impleme ntation year 20 XX, district democratic meeti ng a member of the team on "study and practi ce the scie ntific Outlo ok on deve lopme nt" theme, find a proj ect s upporting strong e nough, t he industry well enoug h, urban constructi on ma nagement leve l nee ds

to be impr oved, livel ihood im proveme nt nee ds to be stre ngthe ned, distri ct team itself, such as t he five aspects.

Year of 20XX, w e find out the problems menti one d above, base d on a ctual S hunqi ng constr uction and dev elopment, conscie ntiously s um up im proveme nts, achievi ng significant development res ults a nd effective ness of their w ork. (A) highlight the proj ect ha ndl e, maintai n high gr owth of investme nt. Adhere to the strategy as a Foundation, carryi ng out proje cts to promot e incr ease d stamina im portant . One is to i ncrea se the i ntensity of proj ects t owards. Actively seek na tional a nd pr ovincial policy support, superior s pe cial transfer payments, a vari ety of additi onal i ncome will top 700 milli on Y uan, a num ber of key infrastr uctur e projects , livelihood project s, industrial proj ects i nto the cage. Se cond, i ncre asing t he pr oject attra cts. T his year a total of 23 signed a ma jor proj ect, of which 14 billion project, Chi na Metall urgical group, vanke group, Gua ngdong heng da group, Taiw an Rue ntex group, on the RI group, S henzhe n Ka isa, jifeng agri cult ural machinery, Merce des -Benz, Audi 4S store a nd other large e nterpri ses a nd proje cts have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual

implementation focus proje ct 39 a, fixed a ssets i nvestment t otal will bre akthrough 1 2 billi on yua n, cr eated district yilai hi story high, S out h door dam, a nd five in s hop ol d city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city main r oad construction, and Northe ast steam Trade Center, a nd m oder n farmers industry Park, a nd v ocati onal e ducation city, a nd l ow rental , and also r oom constructi on, a nd feat ures bl ock s build, a nd farmers market transformation, and "rural version" Street transformati on, focus engi neering spee d up im pleme ntation, effectiveness obviously. Expecte d to be a chi eved t his year, area -wi de GD P 17 billion

6

thrift of excellent tra ditional and style lack dee p of under standing, one -si ded t hink in now of good sit uation Xia, e conomi c smooth more fast development, a nd ref orm made major progres s, and pe opl e living sig nifica ntly improve, a nd social the career made new progre ss, no ne ces sary alway s ha rd has, no a warene ss to Chi na als o has ma ny poverty area, and als o ha s many poverty population of exists, mor e living impr ove ha s, more need ke ep hard of style . Three i s not strictly hone st.

Total thought units is a wat er sect or, cl ean s elf-di sci pline a way from himself too far, no rea l processing g ood living of impr ove and har d, and thrift excell ent traditi onal of relationshi p, no effective do comply wit h Constituti on a nd party of regulati ons m ust from I do up, no rig ht mercy good bitter Le, a nd wealth of relationshi p, no right aware nes s to in com ply with Constitution and party of regulations as pect s everyone ha s accounta bility. Four , future directi on a nd impr ovement meas ures 1, beli ef and faith, strengthen party spirit. One is to firmly establi sh t he noble i deals of struggle for the ideal s of communi sm, communist str uggle for life, ready t o sacr ifice everythi ng for the party a nd the people. Se cond i s to conti nuously im prove

the qua lity and standard of political, conscie ntiously study De ng Xia opi ng the ory and "thre e repre sent s" important thoug ht an d the s cientifi c Outlook on devel opment, im plement the party's basi c program for the primary stage of s ocial ism, adhere to t he correct political orie ntation, maintai n hig hly consist ent with t he CPC Central Committee, is good at theorie s of socialism wit h Chi nes e characteri stics t o analyz e and solve problems.

Third, strengthe ning t he party s pirit and the w orld transformation, per severa nce of the party Constit ution, relive Party vows to establi sh corre ct wor l d Outl ook , Outlook on life a nd the world, pra ctically embodi es ideals a nd beliefs int o action, combi ne lofty ide als and pra ctical a ctivities, tra nsforming t he objective worl d, actively partici pate in the great pra ctice of buil ding s ocial ism with Chinese c hara cteristics. 2, ke ep the pur pose in conce pt, changi ng the style of work. First, kee p in mind that the pur pose of servi ng, adhere to a ssumi ng power for the people, kee p in mind the people a nd care about people, and the j oys a nd s orrow s of the mas ses, . ..

According to city discipli ne, a nd munici pal orga nizati on D epartme nt requir ements, t oday we hel d "implement impleme ntation indepe ndent Commissi on agai nst corruption g uidel ine s effective strengt heni ng led cadr es style construction" topic democratic life, main ta sk is cl ose contact thoug ht, and work act ual, contr ol check district Sta ndi ng Committee team a nd the pers onal i n imple me ntation indepe nde nt Commission against corr upti on g uideli nes S hang exist s of problem, in -dept h carrie d out critici sm and self-criti cal, further clear re ctification dir ection and meas ures, effective e nhance d clea n politics of cons cious ness a nd i nitiative, firm set good of ruli ng image. Before the meeti ng, the way we take s urveys s olicite d a views , combed, related t o team buil ding

于偏转电场方向射入偏转电场,在离开偏转电场后进入匀强磁场,最后恰好垂直地打在荧光屏上.已知电场和磁

1 Ed,式中的 d 是偏转电场的宽度,磁场 2 E 的磁感应强度 B 与偏转电场的电场强度 E 和带电粒子离开加速电场的速度 ? 0 关系符合表达式 ? 0 = ,若题中只 B
场区域在竖直方向足够长,加速电场电压与偏转电场的场强关系为 U= 有偏转电场的宽度 d 为已知量,则: (1)画出带电粒子轨迹示意图; (2)磁场的宽度 L 为多少? (3)带电粒子在电场和磁场中垂直于 ? 0 方向的偏转距离分别是多少?

19.(16 分) 如图所示,光滑的平行水平金属导轨 MN、PQ 相距 l,在 M 点和 P 点间连接一个阻值为 R 的电阻,在 两导轨间 cdfe 矩形区域内有垂直导轨平面竖直向上、宽为 d 的匀强磁场,磁感应强度为 B。一质量为 m、电阻 为 r、长度也刚好为 l 的导体棒 ab 垂直搁在导轨上,与磁场左边界相距 d0。现用一个水平向右的力 F 拉棒 ab, 使它由静止开始运动,棒 ab 离开磁场前已做匀速直线运动,棒 ab 与导轨始终保持良好接触,导轨电阻不计,

F 随 ab 与初始位置的距离 x 变化的情况如图,F0 已知。求:
(1)棒 ab 离开磁场右边界时的速度 (2)棒 ab 通过磁场区域的过程中整个回路所消耗的电能 (3)d0 满足什么条件时,棒 ab 进入磁场后一直做匀速运动 M R b P O d0 a F d d c B f e N F 2F0 F0 O d0 d0+d

Q x

x

20.(16 分)如图所示,质量 M=10kg,上表面光滑的足够长木板在水平拉力 F=50N 作用下以 v0=5m/s 初速度沿 水平地面向右匀速运动,现有足够多的小铁块,它们质量均为 m=1kg,将一铁块无初速地放在木板最右端, 当木板运动了 L=1m 时。 又无初速地在木板最右端放上第二个铁块, 只要木板运动了 L 就在木板最右端无初速 放一铁块。求: (1)第一个铁块放上后,木板运动 lm 时,木板的速度多大? (2)最终有几个铁块能留在木板上? 2 (3)最后一个铁块与木板右端距离多大?(g=10m/s )

proje ct work, cadre s, ca dres selecti on a nd other a spe cts of a total of 19, further define d the dir ection of rectifi cation, en hancing the perti nence and effectiveness of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在

Good for this meeti ng, we re que sted the Standi ng Committee of the muni cipal party Committee, muni cipal Secretary Ge neral Tang We njin, t he City Commissi on for di sci pline i ns pecti on Sta nding Committee Ya ng Xu, Jiang Jixue, Deputy Direct or of the personn el office, a nd ot her lea ding comrades pre sent g uida nce all ows us to w arm appla use for t heir wel come a nd tha nks!

Below, I first District Committee member of the 20XX team annual democratic meeti ng impleme ntation of the corrective mea sure s, as well a s member of the team and of my own re port gui delines for the im plementati on of the indepe nde nt Commission against corr upti on stat ement invite d lea ders and comrade s critici sm. First, annual party on the 20XX team, Mem ber of dem ocrati c life action pla n impleme nt ation year 20 XX, district democratic meeti ng a member of the team on "study and practi ce the scie ntific Outlook on deve lopme nt" t heme, find a proj ect s upporting strong e nough, t he industry well enoug h, urban constructi on ma nagement leve l nee ds

to be impr oved, livel ihood im proveme nt nee ds to be stre ngthe ned, distri ct team itself, such as t he five aspects.

Year of 20XX, w e find out the problems menti one d above, base d on a ctual S hunqi ng constr uction and dev elopment, conscie ntiously s um up im proveme nts, achievi ng significant development res ults a nd effective ness of their w ork. (A) highlight the proj ect ha ndl e, maintai n high gr owth of investme nt. Adhere to the strategy as a Foundation, carryi ng out proje cts to promot e incr ease d stamina im portant . One is to i ncrea se the i ntensity of proj ects t owards. Actively seek na tional a nd pr ovincial policy support, superior s pe cial transfer payments, a vari ety of additi onal i ncome will top 700 milli on Y uan, a num ber of key infrastr uctur e projects , livelihood project s, industrial proj ects i nto the cage. Se cond, i ncre asing t he pr oject attra cts. T his year a total of 23 signed a ma jor proj ect, of which 14 billion project, Chi na Metall urgical group, vanke group, Gua ngdong heng da group, Taiw an Rue ntex group, on the RI group, S he nzhe n Ka isa, jifeng agri cult ural machinery, Merce des -Benz, Audi 4S store a nd other large e nterpri ses a nd proje cts have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual

implementation focus proje ct 39 a, fixed a ssets i nvestment t otal will bre akthrough 1 2 billi on yua n, cr eated district yilai history high, S out h door dam, a nd five in s hop ol d city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city main r oad construction, and Northe ast steam Trade Center, a nd m oder n farmers industry Park, a nd v ocati onal e ducation city, a nd l ow rental , and also r oom constructi on, a nd feat ures bl ock s bui ld, a nd farmers market transformation, and "rural version" Street transformati on, focus engi neering spee d up impleme ntation, effectiveness obviously. Expecte d to be a chi eved t his year, area -wi de GD P 17 billion

7

thrift of excellent tra ditional and style lack dee p of under standing, one -si ded t hink in now of good sit uation Xia, e conomi c smooth more fast development, a nd ref orm made major progres s, and pe opl e living sig nifica ntly improve, a nd social the career made new progre ss, no ne ces sary alway s ha rd has, no a warene ss to Chi na als o has ma ny poverty area, and als o ha s many poverty population of exists, mor e living impr ove ha s, more need ke ep hard of style . Three i s not strictly hone st.

Total thought units is a wat er sect or, cl ean s elf-di sci pline a way from himself too far, no rea l processing g ood living of impr ove and har d, and thrift excell ent traditi onal of relationshi p, no effective do comply wit h Constituti on a nd party of regulati ons m ust from I do up, no rig ht mercy good bitter Le, a nd wealth of relationshi p, no right aware nes s to in com ply with Constitution and party of regulations as pect s everyone ha s accounta bility. Four , future directi on a nd impr ovement meas ures 1, beli ef and faith, strengthen party spirit. One is to firmly establi sh t he noble i deals of struggl e for the ideal s of communi sm, communist str uggle for life, ready t o sacr ifice everythi ng for the party a nd the people. Se cond i s to conti nuously im prove

the qua lity and standard of political, conscie ntiously study De ng Xia opi ng the ory and "thre e repre sent s" important thoug ht an d the s cientifi c Outlook on devel opment, im plement the party's basi c program for the primary stage of s ocial ism, adhere to t he correct political orie ntation, maintai n hig hly consist ent with t he CPC Central Committee, is good at theor ie s of socialism wit h Chi nes e characteri stics t o analyz e and solve problems.

Third, strengthe ning t he party s pirit and the w orld transformation, per severa nce of the party Constit ution, relive Party vows to establi sh corre ct worl d Outl ook , Outlook on life a nd the world, pra ctically embodi es ideals a nd beliefs int o action, combi ne lofty ide als and pra ctical a ctivities, tra nsformi ng t he objective worl d, actively partici pate in the great pra ctice of buil ding s ocial ism with Chinese chara cteristics. 2, ke ep the pur pose in conce pt, changi ng the style of work. First, kee p in mind that the pur pose of servi ng, adhere to a ssumi ng power f or the people, kee p in mind the people a nd care about people, and the j oys a nd s orrow s of the mas ses, . ..

According to city discipli ne, a nd munici pal orga nizati on D epartme nt requir ements, t oday we hel d "implement impleme ntation indepe ndent Commissi on agai nst corruption g uidel ine s effective strengt heni ng led cadr es style construction" topic democratic life, main ta sk is cl ose contact thoug ht, and work act ual, contr ol check district Sta ndi ng Committee team a nd the pers onal i n impleme ntation indepe nde nt Commi ssion against corr upti on g uideli nes S hang exist s of problem, in -dept h carrie d out critici sm and self-criti cal, further clear re ctification dir ection and meas ures, effective e nhance d clea n politics of cons cious ness a nd i nitiative, firm set good of ruli ng image. Before the meeti ng, the way we take s urveys s olicite d a views , combed, related t o team buil ding

[参考答案]

题目 答案

1 BD

2 D

3 B

4 C

5 ABC

6 C

7 BCD

8 CD

11 BC

12 D

13.(1)①如图所示 (3 分) ②连线(4 分略。2 个量程选对得 2 分) ③(4 分)①、往保温杯中加入热水,稍等读出温度值。 ②、调节 R,快速测出多组 I,U 值。 ③、重复①,②测出不同温度下的数据。
proje ct work, cadre s, ca dres selecti on a nd other a spe cts of a total of 19, further define d the dir ection of rectifi cation, enhancing the perti nence and effectiveness of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在 Good for this meeti ng, we re que sted the Standi ng Committee of the muni cipal party Committee, muni cipal Secretary Ge neral Tang We njin, t he City Commissi on for di sci pline i ns pecti on Sta nding Committee Ya ng Xu, Jiang Jixue, Deputy Direct or of the personnel office, a nd ot her lea ding comrades pre sent g uida nce all ows us to w arm appla use for t heir wel come a nd tha nks!

V A 热敏电阻

Below, I first District Committee member of the 20XX team annual democratic meeti ng impleme ntation of the corrective mea sure s, as well a s member of the team and of my own re port gui delines for the im plementati on of the indepe nde nt Commission against corr upti on stat ement invite d lea ders and comrade s critici sm. First, annual party on the 20XX team, Mem ber of dem ocrati c life actio n pla n impleme ntation year 20 XX, district democratic meeti ng a member of the team on "study and practi ce the scie ntific Outlo ok on deve lopme nt" theme, find a proj ect s upporting strong e nough, t he industry well enoug h, urban constructi on ma nagement leve l nee ds

S

to be impr oved, livel ihood im proveme nt nee ds to be stre ngthe ned, distri ct team itself, such as t he five aspects.

Year of 20XX, w e find out the problems menti one d above, base d on a ctual S hunqi ng constr uction and dev elopment, conscie ntiously s um up im proveme nts, achievi ng significant development res ults a nd effective ness of their w ork. (A) highlight the proj ect ha ndl e, maintai n high gr owth of investme nt. Adhere to the strategy as a Foundation, carryi ng out proje cts to promot e incr ease d stamina im portant . One is to i ncrea se the i ntensity of proj ects t owards. Actively seek na tional a nd pr ovincial policy support, superior s pe cial transfer payments, a vari ety of additi onal i ncome will top 700 milli on Y uan, a num ber of key infrastr uctur e projects , livelihood project s, industrial proj ects i nto the cage. Se cond, i ncre asing t he pr oject attra cts. T his year a total of 23 signed a ma jor proj ect, of which 14 billion project, Chi na Metall urgical group, vanke group, Gua ngdong heng da group, Taiw an Rue ntex group, on the RI group, S henzhe n Ka isa, jifeng agri cult ural machinery, Merce des -Benz, Audi 4S store a nd other large e nterpri ses a nd proje cts have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual

implementation focus proje ct 39 a, fixed a ssets i nvestment t otal will bre akthrough 1 2 billi on yua n, cr eated district yilai hi story high, S out h door dam, a nd five in s hop ol d city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city main r oad construction, and Northe ast steam Trade Center, a nd m oder n farmers industry Park, a nd v ocati onal e ducation city, a nd l ow rental , and also r oom constructi on, a nd feat ures bl ock s build, a nd farmers market transformation, and "rural version" Street transformati on, focus engi neering spee d up im pleme ntation, effectiveness obviously. Expecte d to be a chi eved t his year, area -wi de GD P 17 billion

8

thrift of excellent tra ditional and style lack dee p of under standing, one -si ded t hink in now of good sit uation Xia, e conomi c smooth more fast development, a nd ref orm made major progres s, and pe opl e living sig nifica ntly improve, a nd social the career made new progre ss, no ne ces sary alway s ha rd has, no a warene ss to Chi na als o has ma ny poverty area, and als o ha s many poverty population of exists, mor e living impr ove ha s, more need ke ep hard of style . Three i s not strictly hone st.

Total thought units is a wat er sect or, cl ean s elf-di sci pline a way from himself too far, no rea l processing g ood living of impr ove and har d, and thrift excell ent traditi onal of relationshi p, no effective do comply wit h Constituti on a nd party of regulati ons m ust from I do up, no rig ht mercy good bitter Le, a nd wealth of relationshi p, no right aware nes s to in com ply with Constitution and party of regulations as pect s everyone ha s accounta bility. Four , future directi on a nd impr ovement meas ures 1, beli ef and faith, strengthen party spirit. One is to firmly establi sh t he noble i deals of struggle for the ideal s of communi sm, communist str uggle for life, ready t o sacr ifice everythi ng for the party a nd the people. Se cond i s to conti nuously im prove

the qua lity and standard of political, conscie ntiously study De ng Xia opi ng the ory and "thre e repre sent s" important thoug ht an d the s cientifi c Outlook on devel opment, im plement the party's basi c program for the primary stage of s ocial ism, adhere to t he correct political orie ntation, maintai n hig hly consist ent with t he CPC Central Committee, is good at theorie s of socialism wit h Chi nes e characteri stics t o analyz e and solve problems.

Third, strengthe ning t he party s pirit and the w orld transformation, per severa nce of the party Constit ution, relive Party vows to establi sh corre ct wor l d Outl ook , Outlook on life a nd the world, pra ctically embodi es ideals a nd beliefs int o action, combi ne lofty ide als and pra ctical a ctivities, tra nsforming t he objective worl d, actively partici pate in the great pra ctice of buil ding s ocial ism with Chinese c hara cteristics. 2, ke ep the pur pose in conce pt, changi ng the style of work. First, kee p in mind that the pur pose of servi ng, adhere to a ssumi ng power for the people, kee p in mind the people a nd care about people, and the j oys a nd s orrow s of the mas ses, . ..

According to city discipli ne, a nd munici pal orga nizati on D epartme nt requir ements, t oday we hel d "implement impleme ntation indepe ndent Commissi on agai nst corruption g uidel ine s effective strengt heni ng led cadr es style construction" topic democratic life, main ta sk is cl ose contact thoug ht, and work act ual, contr ol check district Sta ndi ng Committee team a nd the pers onal i n imple me ntation indepe nde nt Commission against corr upti on g uideli nes S hang exist s of problem, in -dept h carrie d out critici sm and self-criti cal, further clear re ctification dir ection and meas ures, effective e nhance d clea n politics of cons cious ness a nd i nitiative, firm set good of ruli ng image. Before the meeti ng, the way we take s urveys s olicite d a views , combed, related t o team buil ding

④、绘出各温度下热敏电阻的伏安特性曲线。 -2 (2)R = –1.875×10 t + 4.25 (2 分), 120 (2 分) 14.(10 分)(1)v ∝ h(或 v ∝ 或 v = 20h,或 v =
2 2

h ,
20h )(2 分)
10

v2/m2s-2

图像如右 (2 分), 直线 (2 分)8.0 (2)数据:自左向右为: 6.0 0, 0.4,0.8,1.2.,1.6,2.0,2.4 (3 分) 4.0 v ∝ x(或 v = 0.4x) (1 分) 15.(12 分) (1)4 1 1 H → 2 He +2 1 e (2)Δm=4mP-mα-2me =4×1.0073u-4.0015u-2×0.0005u =0.0267 u Δ E =0.0267 u×931.5MeV/u Δ E =24.87 MeV 16.(13 分) 不正确。………………………………………………………………………………(2 分) 因为在锤与桩碰撞过程中系统机械能有损失。……………………………………(2 分) 正确解答如下: 设重锤打击柱桩时的速度为 v0,根据机械能守恒定律,有
0 0.10
4 0

2.0 (4 分) (2 分)
0.20 0.30 0.40 0.50 图 丁 h/m

(2 分) (2 分) (2 分)

mgH ?

1 2 mv0 2

得 v0 ? 2gH ……………………………………………(2 分) …………(2 分)

锤打击桩后共速,设为 v,根据动量守恒定律,有 mv0= (M+ m) v 得

v?

m v0 …………………………………………………………………(1 分) m?M

之后,锤与桩一起向下运动直至静止,设柱桩进人地面的深度为 h,根据动能定理,有

1 2 ? ?? m ? M ? g ? f ? ? h ? 0 ? 2 ?m ? M ?v
联立求得

…………………………………(2 分)

m2 gH h? ?m ? M ? ? ? f ? ?m ? M ? g ? ?

……………………………………(3 分)

mM V2 17.对同步卫星,由万有引力提供向心力得: G ?m ( R ? h) 2 ( R ? h)



mM ? 2? ? 同理对近地卫星有 G 2 ? mR ? ? R ?T ?

2



proje ct work, cadre s, ca dres selecti on a nd other a spe cts of a total of 19, further define d the dir ection of rectifi cation, en hancing the perti nence and effectiveness of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在

Good for this meeti ng, we re que sted the Standi ng Committee of the muni cipal party Committee, muni cipal Secretary Ge neral Tang We njin, t he City Commissi on for di sci pline i ns pecti on Sta nding Committee Ya ng Xu, Jiang Jixue, Deputy Direct or of the personn el office, a nd ot her lea ding comrades pre sent g uida nce all ows us to w arm appla use for t heir wel come a nd tha nks!

Below, I first District Committee member of the 20XX team annual democratic meeti ng impleme ntation of the corrective mea sure s, as well a s member of the team and of my own re port gui delines for the im plementati on of the indepe nde nt Commission against corr upti on stat ement invite d lea ders and comrade s critici sm. First, annual party on the 20XX team, Mem ber of dem ocrati c life action pla n impleme nt ation year 20 XX, district democratic meeti ng a member of the team on "study and practi ce the scie ntific Outlook on deve lopme nt" t heme, find a proj ect s upporting strong e nough, t he industry well enoug h, urban constructi on ma nagement leve l nee ds

to be impr oved, livel ihood im proveme nt nee ds to be stre ngthe ned, distri ct team itself, such as t he five aspects.

Year of 20XX, w e find out the problems menti one d above, base d on a ctual S hunqi ng constr uction and dev elopment, conscie ntiously s um up im proveme nts, achievi ng significant development res ults a nd effective ness of their w ork. (A) highlight the proj ect ha ndl e, maintai n high gr owth of investme nt. Adhere to the strategy as a Foundation, carryi ng out proje cts to promot e incr ease d stamina im portant . One is to i ncrea se the i ntensity of proj ects t owards. Actively seek na tional a nd pr ovincial policy support, superior s pe cial transfer payments, a vari ety of additi onal i ncome will top 700 milli on Y uan, a num ber of key infrastr uctur e projects , livelihood project s, industrial proj ects i nto the cage. Se cond, i ncre asing t he pr oject attra cts. T his year a total of 23 signed a ma jor proj ect, of which 14 billion project, Chi na Metall urgical group, vanke group, Gua ngdong heng da group, Taiw an Rue ntex group, on the RI group, S he nzhe n Ka isa, jifeng agri cult ural machinery, Merce des -Benz, Audi 4S store a nd other large e nterpri ses a nd proje cts have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual

implementation focus proje ct 39 a, fixed a ssets i nvestment t otal will bre akthrough 1 2 billi on yua n, cr eated district yilai history high, S out h door dam, a nd five in s hop ol d city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city main r oad construction, and Northe ast steam Trade Center, a nd m oder n farmers industry Park, a nd v ocati onal e ducation city, a nd l ow rental , and also r oom constructi on, a nd feat ures bl ock s bui ld, a nd farmers market transformation, and "rural version" Street transformati on, focus engi neering spee d up impleme ntation, effectiveness obviously. Expecte d to be a chi eved t his year, area -wi de GD P 17 billion

9

thrift of excellent tra ditional and style lack dee p of under standing, one -si ded t hink in now of good sit uation Xia, e conomi c smooth more fast development, a nd ref orm made major progres s, and pe opl e living sig nifica ntly improve, a nd social the career made new progre ss, no ne ces sary alway s ha rd has, no a warene ss to Chi na als o has ma ny poverty area, and als o ha s many poverty population of exists, mor e living impr ove ha s, more need ke ep hard of style . Three i s not strictly hone st.

Total thought units is a wat er sect or, cl ean s elf-di sci pline a way from himself too far, no rea l processing g ood living of impr ove and har d, and thrift excell ent traditi onal of relationshi p, no effective do comply wit h Constituti on a nd party of regulati ons m ust from I do up, no rig ht mercy good bitter Le, a nd wealth of relationshi p, no right aware nes s to in com ply with Constitution and party of regulations as pect s everyone ha s accounta bility. Four , future directi on a nd impr ovement meas ures 1, beli ef and faith, strengthen party spirit. One is to firmly establi sh t he noble i deals of struggl e for the ideal s of communi sm, communist str uggle for life, ready t o sacr ifice everythi ng for the party a nd the people. Se cond i s to conti nuously im prove

the qua lity and standard of political, conscie ntiously study De ng Xia opi ng the ory and "thre e repre sent s" important thoug ht an d the s cientifi c Outlook on devel opment, im plement the party's basi c program for the primary stage of s ocial ism, adhere to t he correct political orie ntation, maintai n hig hly consist ent with t he CPC Central Committee, is good at theor ie s of socialism wit h Chi nes e characteri stics t o analyz e and solve problems.

Third, strengthe ning t he party s pirit and the w orld transformation, per severa nce of the party Constit ution, relive Party vows to establi sh corre ct worl d Outl ook , Outlook on life a nd the world, pra ctically embodi es ideals a nd beliefs int o action, combi ne lofty ide als and pra ctical a ctivities, tra nsformi ng t he objective worl d, actively partici pate in the great pra ctice of buil ding s ocial ism with Chinese chara cteristics. 2, ke ep the pur pose in conce pt, changi ng the style of work. First, kee p in mind that the pur pose of servi ng, adhere to a ssumi ng power f or the people, kee p in mind the people a nd care about people, and the j oys a nd s orrow s of the mas ses, . ..

According to city discipli ne, a nd munici pal orga nizati on D epartme nt requir ements, t oday we hel d "implement impleme ntation indepe ndent Commissi on agai nst corruption g uidel ine s effective strengt heni ng led cadr es style construction" topic democratic life, main ta sk is cl ose contact thoug ht, and work act ual, contr ol check district Sta ndi ng Committee team a nd the pers onal i n impleme ntation indepe nde nt Commi ssion against corr upti on g uideli nes S hang exist s of problem, in -dept h carrie d out critici sm and self-criti cal, further clear re ctification dir ection and meas ures, effective e nhance d clea n politics of cons cious ness a nd i nitiative, firm set good of ruli ng image. Before the meeti ng, the way we take s urveys s olicite d a views , combed, related t o team buil ding

由①②式所求的高度为: h ? 同步卫星周期为, T同 ?

4? 2 R3 ?R T 2V 2

2? (R ? h) V

由于同步卫星与该行星的周期相同, 所求的自转周期为: T 自 ?

2? ? 4? 2 R3 4? 3 R3 ? 2 3 T 2 v3 T v

18.(1)轨迹如图所示

(2)粒子在加速电场中由动能定理有 粒子在匀强电场中做类平抛运动,设偏转角为

qU ?

1 mV0 2 2



? ,有

tan ? ?

vy v0



vy ? at
a? qE m

③ ④

t?
U=

d v0



1 Ed 2



由①②③④⑤⑥解得:θ=45? 由几何关系得:带电粒子离开偏转电场速度为 2v0 粒子在磁场中运动,由牛顿第二定律有:qvB=m 在磁场中偏转的半径为

v2 R

R?

2 2mv0 2mv0 mv ? ? ? 2d ,由图可知,磁场宽度 L=Rsinθ=d qB qE / v0 qE

(3)由几何关系可得:带电粒子在偏转电场中距离为 ?y1 ? 0.5d , 在磁场中偏转距离为

?y2 ? (1 ?

2 ) ? 2d ? 0.414d 2

19. (1)设离开右边界时棒 ab 速度为 ? ,则有
proje ct work, cadre s, ca dres selecti on a nd other a spe cts of a total of 19, further define d the dir ection of rectifi cation, enhancing the perti nence and effectiveness of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在 Good for this meeti ng, we re que sted the Standi ng Committee of the muni cipal party Committee, muni cipal Secretary Ge neral Tang We njin, t he City Commissi on for di sci pline i ns pecti on Sta nding Committee Ya ng Xu, Jiang Jixue, Deputy Direct or of the personnel office, a nd ot her lea ding comrades pre sent g uida nce all ows us to w arm appla use for t heir wel come a nd tha nks! Below, I first District Committee member of the 20XX team annual democratic meeti ng impleme ntation of the corrective mea sure s, as well a s member of the team and of my own re port gui delines for the im plementati on of the indepe nde nt Commission against corr upti on stat ement invite d lea ders and comrade s critici sm. First, annual party on the 20XX team, Mem ber of dem ocrati c life actio n pla n impleme ntation year 20 XX, district democratic meeti ng a member of the team on "study and practi ce the scie ntific Outlo ok on deve lopme nt" theme, find a proj ect s upporting strong e nough, t he industry well enoug h, urban constructi on ma nagement leve l nee ds

to be impr oved, livel ihood im proveme nt nee ds to be stre ngthe ned, distri ct team itself, such as t he five aspects.

Year of 20XX, w e find out the problems menti one d above, base d on a ctual S hunqi ng constr uction and dev elopment, conscie ntiously s um up im proveme nts, achievi ng significant development res ults a nd effective ness of their w ork. (A) highlight the proj ect ha ndl e, maintai n high gr owth of investme nt. Adhere to the strategy as a Foundation, carryi ng out proje cts to promot e incr ease d stamina im portant . One is to i ncrea se the i ntensity of proj ects t owards. Actively seek na tional a nd pr ovincial policy support, superior s pe cial transfer payments, a vari ety of additi onal i ncome will top 700 milli on Y uan, a num ber of key infrastr uctur e projects , livelihood project s, industrial proj ects i nto the cage. Se cond, i ncre asing t he pr oject attra cts. T his year a total of 23 signed a ma jor proj ect, of which 14 billion project, Chi na Metall urgical group, vanke group, Gua ngdong heng da group, Taiw an Rue ntex group, on the RI group, S henzhe n Ka isa, jifeng agri cult ural machinery, Merce des -Benz, Audi 4S store a nd other large e nterpri ses a nd proje cts have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual

implementation focus proje ct 39 a, fixed a ssets i nvestment t otal will bre akthrough 1 2 billi on yua n, cr eated district yilai hi story high, S out h door dam, a nd five in s hop ol d city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city main r oad construction, and Northe ast steam Trade Center, a nd m oder n farmers industry Park, a nd v ocati onal e ducation city, a nd l ow rental , and also r oom constructi on, a nd feat ures bl ock s build, a nd farmers market transformation, and "rural version" Street transformati on, focus engi neering spee d up im pleme ntation, effectiveness obviously. Expecte d to be a chi eved t his year, area -wi de GD P 17 billion

10

thrift of excellent tra ditional and style lack dee p of under standing, one -si ded t hink in now of good sit uation Xia, e conomi c smooth more fast development, a nd ref orm made major progres s, and pe opl e living sig nifica ntly improve, a nd social the career made new progre ss, no ne ces sary alway s ha rd has, no a warene ss to Chi na als o has ma ny poverty area, and als o ha s many poverty population of exists, mor e living impr ove ha s, more need ke ep hard of style . Three i s not strictly hone st.

Total thought units is a wat er sect or, cl ean s elf-di sci pline a way from himself too far, no rea l processing g ood living of impr ove and har d, and thrift excell ent traditi onal of relationshi p, no effective do comply wit h Constituti on a nd party of regulati ons m ust from I do up, no rig ht mercy good bitter Le, a nd wealth of relationshi p, no right aware nes s to in com ply with Constitution and party of regulations as pect s everyone ha s accounta bility. Four , future directi on a nd impr ovement meas ures 1, beli ef and faith, strengthen party spirit. One is to firmly establi sh t he noble i deals of struggle for the ideal s of communi sm, communist str uggle for life, ready t o sacr ifice everythi ng for the party a nd the people. Se cond i s to conti nuously im prove

the qua lity and standard of political, conscie ntiously study De ng Xia opi ng the ory and "thre e repre sent s" important thoug ht an d the s cientifi c Outlook on devel opment, im plement the party's basi c program for the primary stage of s ocial ism, adhere to t he correct political orie ntation, maintai n hig hly consist ent with t he CPC Central Committee, is good at theorie s of socialism wit h Chi nes e characteri stics t o analyz e and solve problems.

Third, strengthe ning t he party s pirit and the w orld transformation, per severa nce of the party Constit ution, relive Party vows to establi sh corre ct wor l d Outl ook , Outlook on life a nd the world, pra ctically embodi es ideals a nd beliefs int o action, combi ne lofty ide als and pra ctical a ctivities, tra nsforming t he objective worl d, actively partici pate in the great pra ctice of buil ding s ocial ism with Chinese c hara cteristics. 2, ke ep the pur pose in conce pt, changi ng the style of work. First, kee p in mind that the pur pose of servi ng, adhere to a ssumi ng power for the people, kee p in mind the people a nd care about people, and the j oys a nd s orrow s of the mas ses, . ..

According to city discipli ne, a nd munici pal orga nizati on D epartme nt requir ements, t oday we hel d "implement impleme ntation indepe ndent Commissi on agai nst corruption g uidel ine s effective strengt heni ng led cadr es style construction" topic democratic life, main ta sk is cl ose contact thoug ht, and work act ual, contr ol check district Sta ndi ng Committee team a nd the pers onal i n imple me ntation indepe nde nt Commission against corr upti on g uideli nes S hang exist s of problem, in -dept h carrie d out critici sm and self-criti cal, further clear re ctification dir ection and meas ures, effective e nhance d clea n politics of cons cious ness a nd i nitiative, firm set good of ruli ng image. Before the meeti ng, the way we take s urveys s olicite d a views , combed, related t o team buil ding

? ? BI ? ? I? R?r

1分 1分 2分

对棒有: 2F0 ? BIl ? 0 解得: ? ?

2 F0 ( R ? r ) B 2l 2

2分

(2)在 ab 棒运动的整个过程中,根据动能定理:

F0 d 0 ? 2 F0 d ? W安 ?

1 m? 2 ? 0 2

2分 2分
2

由功能关系: E电 ? W安

2m F0 ( R ? r ) 2 解得: E电 ? F0 (d 0 ? 2d ) ? B 4l 4
(3)设棒刚进入磁场时的速度为 ?0 ,则有

2分

F0 d 0 ?

1 2 m? 0 ? 0 2

2分

2 F0 m( R ? r ) 2 当 ?0 ? ? ,即 d 0 ? 时,进入磁场后一直匀速运动;2 分 B 4l 4
20 解: (1)由 F ? ?Mg 得 ? ? 0.5 第一个铁块放上后,木板做匀减速运动,由动能定理得:

[ F ? ? ( M ? m ) g ]L ?

1 1 2 Mv12 ? Mv0 2 2

?mgL ?
即: 代入数据得 v1 ? 2 6m / s (2)对木板

1 1 2 Mv 0 ? Mv 12 2 2

F合 ? f ? F ? n? mg

1 1 2 Mv 0 ? Mv 12 2 2 1 1 2 2 第二个铁块放上后 2?mgL ? Mv 1 ? Mv 2 2 2
第一个铁块放上后 ?mgL ?

n?mgL ?
第 n 个铁块放上后

1 1 2 2 Mv n Mv n ?1 ? 2 2

proje ct work, cadre s, ca dres selecti on a nd other a spe cts of a total of 19, further define d the dir ection of rectifi cation, en hancing the perti nence and effectiveness of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在

Good for this meeti ng, we re que sted the Standi ng Committee of the muni cipal party Committee, muni cipal Secretary Ge neral Tang We njin, t he City Commissi on for di sci pline i ns pecti on Sta nding Committee Ya ng Xu, Jiang Jixue, Deputy Direct or of the personn el office, a nd ot her lea ding comrades pre sent g uida nce all ows us to w arm appla use for t heir wel come a nd tha nks!

Below, I first District Committee member of the 20XX team annual democratic meeti ng impleme ntation of the corrective mea sure s, as well a s member of the team and of my own re port gui delines for the im plementati on of the indepe nde nt Commission against corr upti on stat ement invite d lea ders and comrade s critici sm. First, annual party on the 20XX team, Mem ber of dem ocrati c life action pla n impleme nt ation year 20 XX, district democratic meeti ng a member of the team on "study and practi ce the scie ntific Outlook on deve lopme nt" t heme, find a proj ect s upporting strong e nough, t he industry well enoug h, urban constructi on ma nagement leve l nee ds

to be impr oved, livel ihood im proveme nt nee ds to be stre ngthe ned, distri ct team itself, such as t he five aspects.

Year of 20XX, w e find out the problems menti one d above, base d on a ctual S hunqi ng constr uction and dev elopment, conscie ntiously s um up im proveme nts, achievi ng significant development res ults a nd effective ness of their w ork. (A) highlight the proj ect ha ndl e, maintai n high gr owth of investme nt. Adhere to the strategy as a Foundation, carryi ng out proje cts to promot e incr ease d stamina im portant . One is to i ncrea se the i ntensity of proj ects t owards. Actively seek na tional a nd pr ovincial policy support, superior s pe cial transfer payments, a vari ety of additi onal i ncome will top 700 milli on Y uan, a num ber of key infrastr uctur e projects , livelihood project s, industrial proj ects i nto the cage. Se cond, i ncre asing t he pr oject attra cts. T his year a total of 23 signed a ma jor proj ect, of which 14 billion project, Chi na Metall urgical group, vanke group, Gua ngdong heng da group, Taiw an Rue ntex group, on the RI group, S he nzhe n Ka isa, jifeng agri cult ural machinery, Merce des -Benz, Audi 4S store a nd other large e nterpri ses a nd proje cts have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual

implementation focus proje ct 39 a, fixed a ssets i nvestment t otal will bre akthrough 1 2 billi on yua n, cr eated district yilai history high, S out h door dam, a nd five in s hop ol d city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city main r oad construction, and Northe ast steam Trade Center, a nd m oder n farmers industry Park, a nd v ocati onal e ducation city, a nd l ow rental , and also r oom constructi on, a nd feat ures bl ock s bui ld, a nd farmers market transformation, and "rural version" Street transformati on, focus engi neering spee d up impleme ntation, effectiveness obviously. Expecte d to be a chi eved t his year, area -wi de GD P 17 billion

11

thrift of excellent tra ditional and style lack dee p of under standing, one -si ded t hink in now of good sit uation Xia, e conomi c smooth more fast development, a nd ref orm made major progres s, and pe opl e living sig nifica ntly improve, a nd social the career made new progre ss, no ne ces sary alway s ha rd has, no a warene ss to Chi na als o has ma ny poverty area, and als o ha s many poverty population of exists, mor e living impr ove ha s, more need ke ep hard of style . Three i s not strictly hone st.

Total thought units is a wat er sect or, cl ean s elf-di sci pline a way from himself too far, no rea l processing g ood living of impr ove and har d, and thrift excell ent traditi onal of relationshi p, no effective do comply wit h Constituti on a nd party of regulati ons m ust from I do up, no rig ht mercy good bitter Le, a nd wealth of relationshi p, no right aware nes s to in com ply with Constitution and party of regulations as pect s everyone ha s accounta bility. Four , future directi on a nd impr ovement meas ures 1, beli ef and faith, strengthen party spirit. One is to firmly establi sh t he noble i deals of struggl e for the ideal s of communi sm, communist str uggle for life, ready t o sacr ifice everythi ng for the party a nd the people. Se cond i s to conti nuously im prove

the qua lity and standard of political, conscie ntiously study De ng Xia opi ng the ory and "thre e repre sent s" important thoug ht an d the s cientifi c Outlook on devel opment, im plement the party's basi c program for the primary stage of s ocial ism, adhere to t he correct political orie ntation, maintai n hig hly consist ent with t he CPC Central Committee, is good at theor ie s of socialism wit h Chi nes e characteri stics t o analyz e and solve problems.

Third, strengthe ning t he party s pirit and the w orld transformation, per severa nce of the party Constit ution, relive Party vows to establi sh corre ct worl d Outl ook , Outlook on life a nd the world, pra ctically embodi es ideals a nd beliefs int o action, combi ne lofty ide als and pra ctical a ctivities, tra nsformi ng t he objective worl d, actively partici pate in the great pra ctice of buil ding s ocial ism with Chinese chara cteristics. 2, ke ep the pur pose in conce pt, changi ng the style of work. First, kee p in mind that the pur pose of servi ng, adhere to a ssumi ng power f or the people, kee p in mind the people a nd care about people, and the j oys a nd s orrow s of the mas ses, . ..

According to city discipli ne, a nd munici pal orga nizati on D epartme nt requir ements, t oday we hel d "implement impleme ntation indepe ndent Commissi on agai nst corruption g uidel ine s effective strengt heni ng led cadr es style construction" topic democratic life, main ta sk is cl ose contact thoug ht, and work act ual, contr ol check district Sta ndi ng Committee team a nd the pers onal i n impleme ntation indepe nde nt Commi ssion against corr upti on g uideli nes S hang exist s of problem, in -dept h carrie d out critici sm and self-criti cal, further clear re ctification dir ection and meas ures, effective e nhance d clea n politics of cons cious ness a nd i nitiative, firm set good of ruli ng image. Before the meeti ng, the way we take s urveys s olicite d a views , combed, related t o team buil ding

( 1 ? 2 ? 3 ? ? ? n)?mgL ?
得 木板停下时

1 1 2 2 Mv 0 ? Mv n 2 2

vn ? 0 ,得 n=6.6,所以最终有 7 个铁块能留在木板上
4 m 7

(3)当第 7 块铁块放上后,距木板右端距离为 d,由第二问得:

( 6 6 ?1 ) 1 2 ?mgL ? 7 ?mgd ? Mv 0 ?0 2 2

解得 d ?

proje ct work, cadre s, ca dres selecti on a nd other a spe cts of a total of 19, further define d the dir ection of rectifi cation, enhancing the perti nence and effectiveness of democratic life. 能 鉴 生 高 提 步 一 歌 诗 代 2古 修 必 是 图 意 置 设 元 单 本 。 受 美 审 富 丰 得 获 力 魅 术 艺 悟 析 赏 行 进 品 作 对 面 方 等 巧 技 现 表 、 容 内 从 习 学 , 上 础 基 的 知 感 体 整 在

Good for this meeti ng, we re que sted the Standi ng Committee of the muni cipal party Committee, muni cipal Secretary Ge neral Tang We njin, t he City Commissi on for di sci pline i ns pecti on Sta nding Committee Ya ng Xu, Jiang Jixue, Deputy Direct or of the personnel office, a nd ot her lea ding comrades pre sent g uida nce all ows us to w arm appla use for t heir wel come a nd tha nks!

Below, I first District Committee member of the 20XX team annual democratic meeti ng impleme ntation of the corrective mea sure s, as well a s member of the team and of my own re port gui delines for the im plementati on of the indepe nde nt Commission against corr upti on stat ement invite d lea ders and comrade s critici sm. First, annual party on the 20XX team, Mem ber of dem ocrati c life actio n pla n impleme ntation year 20 XX, district democratic meeti ng a member of the team on "study and practi ce the scie ntific Outlo ok on deve lopme nt" theme, find a proj ect s upporting strong e nough, t he industry well enoug h, urban constructi on ma nagement leve l nee ds

to be impr oved, livel ihood im proveme nt nee ds to be stre ngthe ned, distri ct team itself, such as t he five aspects.

Year of 20XX, w e find out the problems menti one d above, base d on a ctual S hunqi ng constr uction and dev elopment, conscie ntiously s um up im proveme nts, achievi ng significant development res ults a nd effective ness of their w ork. (A) highlight the proj ect ha ndl e, maintai n high gr owth of investme nt. Adhere to the strategy as a Foundation, carryi ng out proje cts to promot e incr ease d stamina im portant . One is to i ncrea se the i ntensity of proj ects t owards. Actively seek na tional a nd pr ovincial policy support, superior s pe cial transfer payments, a vari ety of additi onal i ncome will top 700 milli on Y uan, a num ber of key infrastr uctur e projects , livelihood project s, industrial proj ects i nto the cage. Se cond, i ncre asing t he pr oject attra cts. T his year a total of 23 signed a ma jor proj ect, of which 14 billion project, Chi na Metall urgical group, vanke group, Gua ngdong heng da group, Taiw an Rue ntex group, on the RI group, S henzhe n Ka isa, jifeng agri cult ural machinery, Merce des -Benz, Audi 4S store a nd other large e nterpri ses a nd proje cts have settle d in Shunqing. T hird, strengthe n pr oject construction. Annual

implementation focus proje ct 39 a, fixed a ssets i nvestment t otal will bre akthrough 1 2 billi on yua n, cr eated district yilai hi story high, S out h door dam, a nd five in s hop ol d city transformation, and Ying Chi na industrial conce ntrated distri ct construction, and city main r oad construction, and Northe ast steam Trade Center, a nd m oder n farmers industry Park, a nd v ocati onal e ducation city, a nd l ow rental , and also r oom constructi on, a nd feat ures bl ock s build, a nd farmers market transformation, and "rural version" Street transformati on, focus engi neering spee d up im pleme ntation, effectiveness obviously. Expecte d to be a chi eved t his year, area -wi de GD P 17 billion

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