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rapid development of the market economy environment to explore public servants ' duty consumption monetization reform has provided a good foundation. The socialization of rear service work has been launched, and rapid progress in some places and departments, duty consumption monetization of carrier and approach to management has been resolved. Third, in recent years, exploring the monetization of duty consumption has made some progress, have gained some experience and can provide reference to the comprehensive reform of the system of public servants ' duty consumption further. Implementing an \nteen\ndardize official entertaining management; enhancing the telecommunication expense management; elimination of County travel and countryside subsidies; research \s\on management of corporate spending, and so on. Finally, group ...18 session to be held in Beijing from November 9, 2013 to 12th. 35 years ago blew the third plenary session of the reform and opening up in the spring breeze, changed, affect the world; today, 35 years later, in the eyes of the nation and the world expect, again to reform mark China, ushered in the 18 session. XI General Secretary pointed out that China's reform has entered a crucial period and the Sham Shui Po District, must be based on greater political courage and wisdom, lose no time in deepening reform in important fields. Dares to crack a hard nut, dares to question the Rapids, which dares to break the barrier of ideas, and dare to benefit cure barriers. Deepening reform and opening up is on schedule to achieve institutional safeguards of the moderately well-off. Under the \odernization requirements, 18 session of the decision was a \he improvement of overall scheme of reform, will promote an integrated and coordinated economic, political, cultural, social and ecological civilization construction of the five reforms and the party's construction in the area of institutional reform. The \o achieve a comprehensive reform of institutional guarantees for objectives of build a well-off society, the smooth progress of the construction of a well-off society and reform the objectives of the programme. One, holding time and place importance on November 9, 2013 to the 18 session of the 12th Beijing since 1978, 35, have been 7 plenary session, each time on major issues of political and economic life of the country has made important deployment. In accordance with PRC political practice, often at every session of the CPC Central Committee in a plenary session was held immediately after the party's Congress, on the theme \personnel\ng election Central's top leaders, such as the election of the Standing Committee of the political Bureau, through the Central Committeemembers, decisions, such as members of the Central Military Commission. The second plenary session, is held in two sessions before the general election, mainly to discuss a new State personnel issues. But by the third 第五章限时检测(A)

本卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分．满分100分，时间90分钟．

第Ⅰ卷(选择题 共40分)

一、选择题(共10小题，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符合题目要求，有些小题有多个选项符合题目要求，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．月亮的阴晴圆缺使人们知道，月亮的运动轨迹可近似认为是以地球为中心的圆，关于月亮的运动，下列说法正确的是( )

A．月亮做匀速运动 B．月亮运动的加速度为零

C．月亮受到指向地心的力的作用，且这个力大小不变 D．月亮不受力的作用 答案：C

解析：月亮运动的轨道可以近似认为是一个以地球为中心的圆，由此我们知道月亮做曲线运动．由曲线运动的条件可知，月亮受到的合外力一定不等于零，由我们的观察和经验知，月亮绕地球做曲线运动的速率不变化，因此，月亮应该受到一个与速度方向垂直的力，也就是沿着轨道半径指向地心的力的作用．因为月亮运动的速率大小是不变的，可以知道月亮的速度方向改变是均匀的，也就是说，月亮即时速度在相同的时间内改变的角度是相同的，由曲线运动方向改变的原因推知，月亮受到的指向地心的力大小应该不变化．故C选项正确．

2．(2009·广东省实验中学模拟)如图某人游珠江，他以一定速度面部始终垂直河岸向对岸游去．江中各处水流速度相等，他游过的路程、过河所用的时间与水速的关系是( )

A．水速大时，路程长，时间长 B．水速大时，路程长，时间短 C．水速大时，路程长，时间不变 D．路程、时间与水速无关 答案：C

解析：游泳者相对于岸的速度为他相对于水的速度和水流速度的合速度，水流速度越大，其合速度与岸的夹角越小，路程越长，但过河时间t＝

，与水速无关，故A、B、D均错

v人d

lenary session, each session of the Central Committee of national institutions and personnel problems have been arranged, you can concentrate on national development and reforms. Previous plenary session is often branded with a central leading collective, often by looking at the third plenum of the initiative to found the current central leadership collective governance characteristics. From the analysis of the process of economic reform in China, plenary session, 12 session, 14, 16 plenary session have programmatic meaning, respectively, marking the four stages of China's economic reform, and that the start-up phase of reform, reform, construction phase and perfecting the Socialist market economy framework stage of socialist market economy. Previous plenary session topics proposed to the third plenary session of %uggle as the key link,\ shifted to socialist modernization; 12 session marked the change from rural to urban, established with public ownership as the Foundation of a planned commodity economy; 13 session at a time when both the old and the new system change, governance and rectify the economic order; 14 ... Fair and efficient and authoritative Socialist judicial system, safeguard the people's interests. Legal authority to uphold the Constitution, deepening the reform of administrative law enforcement, ensure that the right to exercise judicial power independently and impartially according to law the prosecution, perfecting the running mechanism of judicial power, improve the system of judicial protection of human rights. Plenary session, Affairs the right to adhere to the system, and let the people authority to let the power run in the Sun, is shut up in a cage of the system power policy. Decision Science, implementation should be constructed strong, supervise the running of powerful system, improve the system of punishing and preventing corruption, promotng political integrity, and strive to achievecadres ' honest and Government integrity, clean politics. To form a scientific and effective coordination of power restriction and mechanisms to strengthen anti-corruption institutional innovation and institutional protection, sound improvement style normal system. Plenary session, building a socialist culture in China, enhancing national cultural soft power, must adhere to the orientation of advanced Socialist culture, adhere to the development of Socialist culture with Chinese characteristics, adhere to the people-centred work-oriented, further deepening reform of culture. o improve the cultural management system, establish and improve the modern market system and building modern public cultural service system, improve the level of culture opening. Plenary session, achieving development results more equitable benefit of all people, we must speed up reform of social programs and solve the issues of concern to the people the most direct and real interest, and better meet the needs of the people. To deepen education reform, improve institutional mechanisms for therapid development of the market economy environment to explore public servants ' duty consumption monetization reform has provided a good foundation. The socialization of rear service work has been launched, and rapid progress in some places and departments, duty consumption monetization of carrier and approach to management has been resolved. Third, in recent years, exploring the monetization of duty consumption has made some progress, have gained some experience and can provide reference to the comprehensive reform of the system of public servants ' duty consumption further. Implementing an \nteen\ndardize official entertaining management; enhancing the telecommunication expense management; elimination of County travel and countryside subsidies; research \s\on management of corporate spending, and so on. Finally, group ...18 session to be held in Beijing from November 9, 2013 to 12th. 35 years ago blew the third plenary session of the reform and opening up in the spring breeze, changed, affect the world; today, 35 years later, in the eyes of the nation and the world expect, again to reform mark China, ushered in the 18 session. XI General Secretary pointed out that China's reform has entered a crucial period and the Sham Shui Po District, must be based on greater political courage and wisdom, lose no time in deepening reform in important fields. Dares to crack a hard nut, dares to question the Rapids, which dares to break the barrier of ideas, and dare to benefit cure barriers. Deepening reform and opening up is on schedule to achieve institutional safeguards of the moderately well-off. Under the \odernization requirements, 18 session of the decision was a \he improvement of overall scheme of reform, will promote an integrated and coordinated economic, political, cultural, social and ecological civilization construction of the five reforms and the party's construction in the area of institutional reform. The \o achieve a comprehensive reform of institutional guarantees for objectives of build a well-off society, the smooth progress of the construction of a well-off society and reform the objectives of the programme. One, holding time and place importance on November 9, 2013 to the 18 session of the 12th Beijing since 1978, 35, have been 7 plenary session, each time on major issues of political and economic life of the country has made important deployment. In accordance with PRC political practice, often at every session of the CPC Central Committee in a plenary session was held immediately after the party's Congress, on the theme \personnel\ng election Central's top leaders, such as the election of the Standing Committee of the political Bureau, through the Central Committeemembers, decisions, such as members of the Central Military Commission. The second plenary session, is held in two sessions before the general election, mainly to discuss a new State personnel issues. But by the third 误，C正确．

3．如图所示为某一质点运动的位移—时间图象，图线为一段圆弧，则下列说法正确的是( )

A．质点运动的速度先增大后减小 B．质点一定做直线运动 C．质点可能做圆周运动 D．t时刻质点离开出发点最远 答案：B

4．如图所示，电风扇在闪光灯下运转，闪光灯每秒闪30次，风扇转轴O上装有3个扇叶，它们互成120°角，当风扇转动时，观察者感觉扇叶不动，则风扇转速可能是( )

A．600r/min B．900r/min C．1200r/min 答案：ACD

解析：风扇转动时，观察者感觉扇叶不动，说明在每相邻两次闪光的时间间隔T灯内，11风扇转过的角度是120°的整数倍即圈的整数倍，而T灯＝s.

330

1r3

所以风扇的最小转速nmin＝＝10r/s＝600r/min.

1s30

故满足题意的可能转速为n＝knmin＝600kr/min(k＝1,2,3……)．

5．(陕西师大附中08～09学年高一下学期期中)水平匀速飞行的飞机每隔1s投下一颗炸弹，共投下5颗，若空气阻力及风的影响不计，在炸弹落到地面之前，下列说法中正确的是( )

A．这5颗炸弹及飞机在空中排列成一条竖直线，地面上的人看到每个炸弹都做平抛运动

B．这5颗炸弹及飞机在空中排列成一条竖直线，地面上的人看到每个炸弹都做自由落体运动

C．这5颗炸弹在空中排列成一条抛物线，地面上的人看到每个炸弹都做平抛运动 D．这5颗炸弹在空中排列成一条抛物线，地面上的人看到每个炸弹都做自由落体运动 答案：A

6．李大爷摇一竹筏向河的正对岸以恒定速度渡河，河水的流速v随离河岸的距离的增大而增大，则船的运动路线为( )

lenary session, each session of the Central Committee of national institutions and personnel problems have been arranged, you can concentrate on national development and reforms. Previous plenary session is often branded with a central leading collective, often by looking at the third plenum of the initiative to found the current central leadership collective governance characteristics. From the analysis of the process of economic reform in China, plenary session, 12 session, 14, 16 plenary session have programmatic meaning, respectively, marking the four stages of China's economic reform, and that the start-up phase of reform, reform, construction phase and perfecting the Socialist market economy framework stage of socialist market economy. Previous plenary session topics proposed to the third plenary session of %uggle as the key link,\ shifted to socialist modernization; 12 session marked the change from rural to urban, established with public ownership as the Foundation of a planned commodity economy; 13 session at a time when both the old and the new system change, governance and rectify the economic order; 14 ... Fair and efficient and authoritative Socialist judicial system, safeguard the people's interests. Legal authority to uphold the Constitution, deepening the reform of administrative law enforcement, ensure that the right to exercise judicial power independently and impartially according to law the prosecution, perfecting the running mechanism of judicial power, improve the system of judicial protection of human rights. Plenary session, Affairs the right to adhere to the system, and let the people authority to let the power run in the Sun, is shut up in a cage of the system power policy. Decision Science, implementation should be constructed strong, supervise the running of powerful system, improve the system of punishing and preventing corruption, promoting political integrity, and strive to achievecadres ' honest and Government integrity, clean politics. To form a scientific and effective coordination of power restriction and mechanisms to strengthen anti-corruption institutional innovation and institutional protection, sound improvement style normal system. Plenary session, building a socialist culture in China, enhancing national cultural soft power, must adhere to the orientation of advanced Socialist culture, adhere to the development of Socialist culture with Chinese characteristics, adhere to the people-centred work-oriented, further deepening reform of culture. o improve the cultural management system, establish and improve the modern market system and building modern public cultural service system, improve the level of culture opening. Plenary session, achieving development results more equitable benefit of all people, we must speed up reform of social programs and solve the issues of concern to the people the most direct and real interest, and better meet the needs of the people. To deepen education reform, improve institutional mechanisms for theD．3000r/min

rapid development of the market economy environment to explore public servants ' duty consumption monetization reform has provided a good foundation. The socialization of rear service work has been launched, and rapid progress in some places and departments, duty consumption monetization of carrier and approach to management has been resolved. Third, in recent years, exploring the monetization of duty consumption has made some progress, have gained some experience and can provide reference to the comprehensive reform of the system of public servants ' duty consumption further. Implementing an \nteen\ndardize official entertaining management; enhancing the telecommunication expense management; elimination of County travel and countryside subsidies; research \s\on management of corporate spending, and so on. Finally, group ...18 session to be held in Beijing from November 9, 2013 to 12th. 35 years ago blew the third plenary session of the reform and opening up in the spring breeze, changed, affect the world; today, 35 years later, in the eyes of the nation and the world expect, again to reform mark China, ushered in the 18 session. XI General Secretary pointed out that China's reform has entered a crucial period and the Sham Shui Po District, must be based on greater political courage and wisdom, lose no time in deepening reform in important fields. Dares to crack a hard nut, dares to question the Rapids, which dares to break the barrier of ideas, and dare to benefit cure barriers. Deepening reform and opening up is on schedule to achieve institutional safeguards of the moderately well-off. Under the \odernization requirements, 18 session of the decision was a \he improvement of overall scheme of reform, will promote an integrated and coordinated economic, political, cultural, social and ecological civilization construction of the five reforms and the party's construction in the area of institutional reform. The \o achieve a comprehensive reform of institutional guarantees for objectives of build a well-off society, the smooth progress of the construction of a well-off society and reform the objectives of the programme. One, holding time and place importance on November 9, 2013 to the 18 session of the 12th Beijing since 1978, 35, have been 7 plenary session, each time on major issues of political and economic life of the country has made important deployment. In accordance with PRC political practice, often at every session of the CPC Central Committee in a plenary session was held immediately after the party's Congress, on the theme \personnel\ng election Central's top leaders, such as the election of the Standing Committee of the political Bureau, through the Central Committeemembers, decisions, such as members of the Central Military Commission. The second plenary session, is held in two sessions before the general election, mainly to discuss a new State personnel issues. But by the third

答案：C

7．(河南郑州外国语学校08～09学年高一下学期月考)如图所示，具有圆锥形状的回转器(陀螺)，绕它的轴在光滑的桌面上以角速度ω快速旋转，同时以速度v向右运动，若回转器的轴一直保持竖直，为使回转器从桌子的边缘滑出时不会与桌子边缘发生碰撞，速度v至少应等于(设回转器的高为H，底面半径为R，不计空气对回转器的阻力)( )

A．RC．ωR答案：B

8．如图所示，两根长度不同的细绳，一端固定于O点，另一端各系一个相同的小铁球，两小球恰好在同一水平面做圆周运动，则( )

2g Hg 2H

B．RD．ωR

g 2H

A．它们做圆周运动的周期相等 B．它们所需的向心力跟轨道半径成反比 C．它们做圆周运动的线速度大小相等 D．A球受绳的拉力较大 答案：AD

解析：重力与细绳的拉力提供向心力．

9．甲、乙两名溜冰运动员，M甲＝80kg，M乙＝40kg，面对面拉着弹簧秤做圆周运动的溜冰表演，如图所示，两人相距0.9m，弹簧秤的示数为9.2N，下列判断中正确的是( )

lenary session, each session of the Central Committee of national institutions and personnel problems have been arranged, you can concentrate on national development and reforms. Previous plenary session is often branded with a central leading collective, often by looking at the third plenum of the initiative to found the current central leadership collective governance characteristics. From the analysis of the process of economic reform in China, plenary session, 12 session, 14, 16 plenary session have programmatic meaning, respectively, marking the four stages of China's economic reform, and that the start-up phase of reform, reform, construction phase and perfecting the Socialist market economy framework stage of socialist market economy. Previous plenary session topics proposed to the third plenary session of %uggle as the key link,\ shifted to socialist modernization; 12 session marked the change from rural to urban, established with public ownership as the Foundation of a planned commodity economy; 13 session at a time when both the old and the new system change, governance and rectify the economic order; 14 ... Fair and efficient and authoritative Socialist judicial system, safeguard the people's interests. Legal authority to uphold the Constitution, deepening the reform of administrative law enforcement, ensure that the right to exercise judicial power independently and impartially according to law the prosecution, perfecting the running mechanism of judicial power, improve the system of judicial protection of human rights. Plenary session, Affairs the right to adhere to the system, and let the people authority to let the power run in the Sun, is shut up in a cage of the system power policy. Decision Science, implementation should be constructed strong, supervise the running of powerful system, improve the system of punishing and preventing corruption, promoting political integrity, and strive to achievecadres ' honest and Government integrity, clean politics. To form a scientific and effective coordination of power restriction and mechanisms to strengthen anti-corruption institutional innovation and institutional protection, sound improvement style normal system. Plenary session, building a socialist culture in China, enhancing national cultural soft power, must adhere to the orientation of advanced Socialist culture, adhere to the development of Socialist culture with Chinese characteristics, adhere to the people-centred work-oriented, further deepening reform of culture. o improve the cultural management system, establish and improve the modern market system and building modern public cultural service system, improve the level of culture opening. Plenary session, achieving development results more equitable benefit of all people, we must speed up reform of social programs and solve the issues of concern to the people the most direct and real interest, and better meet the needs of the people. To deepen education reform, improve institutional mechanisms for the