人教版初二數(shù)學(xué)上冊(cè)期末模擬試卷及答案

1、rapid development of the market economy environment to expl ore publi c servants ' duty consumption monetization reform hasprovided a good foundation. Thesocialization of rear service work has been launche d, and rapid progress insome places anddepartments, duty consumption monetization of carri

2、er and a ppr oach to management hasbee n resolve d. Third, in re cent years, exploring the monetization of duty consumption has made some progress, have gained some experience and can provi de reference to thecompre hensive reform of the system of public servants ' dutyconsumption further. Imple

3、menting an "honest canteen", standardize official e ntertaining management; enhancing the telecommunication expense management; eliminationof County travel andcountrysi de subsidies; research "village officials" capitalizati on management of corporate spendi ng, a nd so on. Final

4、ly, group .18 session tobe held inBeijing from November 9, 2013 to12th. 35 years ago ble w the third plenary session of the reform and opening up in the spring breeze, changed, affect the world; today, 35 years later, in the eyesof the nation and theworld expect, again to reform mark China, ushered

5、in the 18session. XI General Se cretary pointedout that China's reform has entered acrucial period a nd the Sham Shui Po District, mustbe ba sedon greater politicalcourage and wisdom, lose no time in deepening reform in important fields. Dare s to cra ck a hardnut, dares toquesti onhe Rapids,whi

6、ch dares to break the barrier of ideas, a nd dare to benefit cur e barriers. Deepeni ng reform andope ningup is on schedule to achieve institutional safeg uardsof the moderately well-off. Under the "five in one" the General layout of socialist modernization requirements, 18 session of the

7、decision was a "five in one" and the improvement of overall schemeof reform, will promote an integrated and coordinate d economic, political, cultural, social and e col ogica l civilization construction of the five reforms and the party'sconstruction in the area of institutional reform

8、.The "five in one" programme is to achisuch as theelection of the Standing Committee of thepolitical Bureau, through the CentralCommittee members,deci sions, such as members of the Central Military Commission.The second plenary session, is hel d in twosessions before the general election,

9、mainly todiscuss a new State personnel issues. But by the third初二數(shù)學(xué)上冊(cè)期末模擬試卷題號(hào)一二三四總分分 數(shù)本試卷滿(mǎn)分 120 分，考試時(shí)間 90 分鐘閱卷人得分一、選擇題（本題共 9 個(gè)小題，每小題 3 分，共 27 分）說(shuō)明:將下列各題唯一正確的答案代號(hào) A 、B、C、D 填到題后的括號(hào)內(nèi)11的平方根是()4（A） 1（B）1（C）1(D)1168222下列圖形中是軸對(duì)稱(chēng)圖形的是（）（A）（B）（C）（D）3一次函數(shù) y2 x1 的圖象不經(jīng)過(guò)（）（A）第一象限（B）第二象限（C）第三象限(D)第四象限04 , 0 . 1 5

10、， 0.020020002中，無(wú)理數(shù)的個(gè)數(shù)是4在實(shí)數(shù)：，2 ，3.13是()（A）等腰三角形 （B）直角三角形 （C）等邊三角形(D)等腰直角三角形7如圖 1 ，直線 ykx b 與 x 軸交于點(diǎn) (2， 0)，則 y 0時(shí)， x 的取值范圍是()（A）x>2（B）x<2 A（C）x>0(D)x<0BCPD圖 1B圖 2CO圖 3DA8如圖 2，在ABC 中，AB=AC，A=40 °，CD AB 于 D，則DCB 等于()（A） 70°（B）50°（C）40°（D）20°9如圖 3，AOP=BOP=15 °，

11、P C O A 交 OB 于 C，PDOA 于 D，若 PC=3，則 PD等于()（A） 3（B）2（C）1.5(D)1閱卷人得分二、填空題（本題共 9 個(gè)小題，每小題 3 分，共 27 分）說(shuō)明：將下列各題的結(jié)果填在題中的橫線上 .10在數(shù)軸上表示2 的點(diǎn)離原點(diǎn)的距離是11直接寫(xiě)出因式分解的結(jié)果：2=a ab12 (7 )2的算術(shù)平方根是 _()（A）1 個(gè)（B）2 個(gè)5下列計(jì)算正確 的是（A） a 2a 3a 6 （B） ( a 3 ) 3（C）3個(gè)(D)4 個(gè)()622b (D) a109a（C） a baaa13若 x24 xm 是一個(gè)完全平方式，則 m =_14.寫(xiě)出一個(gè)函數(shù)值隨自變

12、量值的增大而減小的正比例函數(shù) _.15若 31 2 6a ，則 3 0.126（用含 a 的式子表示）6一個(gè)三角形任意一邊上的中線都是這邊上的高， ?則對(duì)這個(gè)三角形的形狀最準(zhǔn)確的判斷16.如圖 4，點(diǎn) P 到AOB 兩邊的距離相等，若 POB =30 ，°則 AOB°plenarysessi on, each session of theCentral Committee of national institutions and personnel problemshave been arranged, you can concentrateon nati onal dev

13、elopme nt and reforms.Previousplenarysessi on i s oftenbranded with a central leading collective, often by looking at the thirdplenum of the initiative to found the current central leadership collective governance characteristics.From the analysis of theprocessof economic reform in China,ple nary se

14、ssion, 12sessi on, 14, 16ple nary session haveprogrammatic meaning, respectively, marking the fourstages of China's economic reform, and that thestart-up phaseof reform, reform, construction phase and perfecting the Social ist market economy framework stage of socialist market economy.Previous p

15、lenarysession topi cs pr oposed to the t hirdplenarysessi on of "taking class struggle as the key link," shifted to socialist modernization;12 session marked the change from rural to urban, establishe d withpublicownership as the Foundation of a plannedcommodity economy;13 session at a tim

16、e when both the old and thenew systemcha nge, governance and rectify theeconomicorder; 14 . Fair and efficie nt and authoritative Socialist judicial system, safeguard thepeople' s interests.Legal authority touphold theConstitution,dee pening the reform of administrative law enforcement,ensure th

17、at the right toexercise judicial power independently and impartially according to law theprosecution, perfecting the running mecha nism of judicial power, improve the system of judicialprote ction of human rights. Plenary session, Affairs the right to adhere to thesystem, and let thepeople authority

18、 to let thepower run i n the Sun, is shut up in acage of thesystem powerpolicy.Decision Science , implementationshould beconstructed strong, supervise the runningof powerful system,improve the system of punishi ng and preventing corruption,promoting political integrity, and strive to achievecadres &

19、#39;honest and Government integrity, clean politics.To form a scientific and effective coordinationof power restriction and mechanisms to strengthen a nti-corruption instituti onal innovation and i nstitutional protection, sound improvement stylenormal system.Plenarysessi on, building a socialist cu

20、lture in China, enhancing nationalcult ural soft power, must adhere to the orientationof advanced Socialistculture, adhere to the developme nt of Socialist culturewithChi nese characteristics, adhere to thepeople-ce ntred work-oriented, further deepe ning reform of culture.o improve the cultural man

21、agement system, establish and improve the modern market system and building modernpublicculturalservice system, improve the level of culture opening.Plenary session, a chieving development results more equitablebenefit of all people, we must speed up reform of social programs andsolve the issues of

22、concern to the people the most direct and real interest, and better meet thenee ds of thepeople.o deepen education reform, improve institutional mechanisms for therapid development of the market economy environment to expl ore publi c servants ' duty consumption monetization reform hasprovided a

23、 good foundation. Thesocialization of rear service work has been launche d, and rapid progress in some places anddepartments, duty consumption monetization of carrier and a ppr oach to management hasbee n resolved. Third, in re cent years, exploring the monetization of duty consumption has made some

24、 progress, have gained some experience and can provi de reference to thecompre hensive reform of the system of public servants ' dutyconsumption further. Implementing an "honest canteen", standardize official e ntertaining management; enhancing the telecommunication expense management;

25、 eliminationof County travel andcountrysi de subsidies; research "village officials" capitalizati on management of corporate spendi ng, a nd so on. Finally, group .18 session tobe held inBeijing from November 9, 2013 to12th. 35 years ago ble w the third plenary session of the reform and op

26、ening up in the spring breeze, changed, affect the world; today, 35 years later, in the eyesof the nation and theworld expect, again to reform mark China, ushered in the 18session. XI General Se cretary pointedout that China's reform has entered acrucial peri od and the Sham Shui Po District, mu

27、stbe ba sedon greater politicalcourage and wisdom, lose no time in deepening reform in important fields. Dare s to cra ck a hardnut, dares toquesti on the Rapids,which dares to break the barrier of ideas, a nd dare to benefit cur e barriers. Deepeni ng reform andope ningup is on schedule to achieve

28、institutional safeg uardsof the m oderately well-off. Under the "five in one" the General layout of socialist modernization requirements, 18 session of the decision was a "five in one" and the improvement of overall schemeof reform, will promote an integrated and coordinate d eco

29、nomic, political, cultural, social and e col ogica l civilization construction of the five reforms and the party'sconstruction in the area of institutional reform.The "five in one" programme is to achieve a comprehe nsive reform of institutional guarasuch as theelection of the Standing

30、 Committee of thepolitical Bureau, through the CentralCommittee members,deci sions, such as members of the Central Military Commission.The second plenary session, is hel d in twosessions before the general election, mainly todiscuss a new State personnel issues. But by the third17如圖 5，BAC=ABD，請(qǐng)你添加一個(gè)

31、條件：，使 BC=AD（只添一個(gè)條件即可）18如圖 6，若ACD 的周長(zhǎng)為 9cm，DE 為 AB 邊的垂直平分線，則 AC+BC_cmACADEPOABBCO圖 5圖 4BD圖 6閱卷人得分三、解答題（ 19 題 7 分，20、21、22 題各 8 分，共 31分）19運(yùn)用乘法公式計(jì)算：x y 1 ( x y 1)（1）求油箱中的油量 y（單位：升）隨行駛時(shí)間 x（單位：時(shí)）變化的函數(shù)解析式，并寫(xiě)出自變量 x 的取值范圍；（2）當(dāng)汽車(chē)行駛了 6 個(gè)小時(shí)后，油箱中還有多少汽油？22已知：如圖 7，為B E上一點(diǎn)，點(diǎn)A 、 D分別在B E兩側(cè)，CAB EDAB CEBCEDA求證： CA DCB

32、CE圖 7D20先化簡(jiǎn)，再求值：2231( a b 2 a bb ) b ( a b )( a b ) ，其中 a， b1 2閱卷人得分四、解答題（ 23、24 題各 8 分，25 題 9 分，26 題 10 分，共 35 分）23已知一次函數(shù) ykxb的圖象經(jīng)過(guò)點(diǎn) A (3，2)及點(diǎn) B (0 ， 4) 求此一次函數(shù)的解析式，并畫(huà)出圖象；求此函數(shù)圖象與兩坐標(biāo)軸所圍成的三角形的面積21汽車(chē)油箱中原有油 40升，如果行駛中每小時(shí)用油 5 升24如圖 8，在平面直角坐標(biāo)系 xoy中， A(1 ，5)， B (1，0) ，C (4，3)plenary sessi on, ea chsessi on

33、of the Ce ntral Committee of national instituti ons and personnel problemshave been arranged, you canconcentrate onnational development and reforms.Previous plenary sessi on is often branded with a central leading collective, often by l ooki ng at the thirdplenum of the initiative to found the curre

34、nt central leadershi p coll ective gover nance characteristics.From the analysis of theprocessof economic reform inChi na, pl enary sessi on, 12 session, 14, 16ple nary session have programmatic meaning, respectively, marking the four stages of China's economic reform, and that the start-up phas

35、e 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 "taking class str uggle as the key link," shifted to socialist modernization;12 session m

36、arked the change from rural to urban, established wit h public ow nership as the Foundation of a planned commodity economy;13 session at a time when both the old and t he ne w system change, gover nance and re ctify the economic order ; 14 . Fair and efficient and aimprove the system of punishi ng a

37、nd preventing corruption, promoting political integrity, and strive to achievecadres ' honest and Government integrity, cle an politics.To form a scientific and effective coordinationof power restriction and mechanisms to strengthen a nti-corruption instituti onal i nnovation a nd i nstitutional

38、 protection, sound improvement stylenormal system.Plenarysessi on, building a socialist culture in China, enhancing nati onalcult ural soft power, must adhere to the orientation of advanced Socialistculture, adhere to the developme nt of Sociali st culture withChi nese characteristics, adhere to the

39、people-ce ntred w ork-oriented, furt her deepe ning reform of culture.o improve the cultural management system, establish a nd im prove the moder n market system and building modernpublicculturalservice system, improve the level of culture opening.Plenary session, a chieving development results more

40、 equitablebenefit of all people, we must speed up reform of social programs andsolve the issues of concern to the people the most direct and real interest, and better meet thenee ds of the在圖中作出 A B C 關(guān)于 y 軸的對(duì)稱(chēng)圖形 AB C1y11寫(xiě)出點(diǎn) A1， B 1， C 1 的坐標(biāo)（直接寫(xiě)答案）6AC42-5B O5x-2圖 8乙兩客船在靜水中的速度相同，同時(shí)出發(fā)，它們航行的路程 y (千米)與航行

41、時(shí)間 x（時(shí)）的關(guān)系如圖 11 所示求客船在靜水中的速度及水流速度；一艘貨輪由 A 碼頭順流航行到 B 碼頭，貨輪比客船早 2 小時(shí)出發(fā)，貨輪在靜水中的速度為 10千米/時(shí)，在此坐標(biāo)系中畫(huà)出貨輪航程 y (千米)與時(shí)間 x （時(shí)）的關(guān)系圖象，并求貨輪與客船乙相遇時(shí)距 A 碼頭的路程y （千米）B150甲乙O （A）610 x （時(shí)）圖 1125兩個(gè)大小不同的等腰直角三角形三角板如圖形， B ， C ， E在同一條直線上，連結(jié) D C 求證： ABE ACD求證： DCBE9 所示放置，圖 10 是由它抽象出的幾何圖DABCE圖 9圖 10初二數(shù)學(xué)上冊(cè)期末模擬試卷26A、B 兩碼頭相距 150

42、千米，甲客船順流由 A 航行到 B，乙客船逆流由 B 到 A，若甲、rapid development of the market economy environment to expl ore publi c servants ' duty consumption monetization reform hasprovided a good foundation. Thesocialization of rear service work has been launche d, and rapid progress in some places anddepartments, dut

43、y consumption monetization of carrier and a ppr oach to management hasbee n resolved. Third, in re cent years, exploring the monetization of duty consumption has made some progress, have gained some experience and can provi de reference to thecompre hensive reform of the system of public servants &#

44、39; dutyconsumption further. Implementing an "honest canteen", standardize official e ntertaining management; enhancing the telecommunication expense management; eliminationof County travel andcountrysi de subsidies; research "village officials" capitalizati on management of corp

45、orate spendi ng, a nd so on. Finally, group .18 session tobe held inBeijing from November 9, 2013 to12th. 35 years ago ble w the third plenary session of the reform and opening up in the spring breeze, changed, affect the world; today, 35 years later, in the eyesof the nation and theworld expect, ag

46、ain to reform mark China, ushered in the 18session. XI General Se cretary pointedout that China's reform has entered acrucial peri od and the Sham Shui Po District, mustbe ba sedon greater politicalcourage and wisdom, lose no time in deepening reform in important fields. Dare s to cra ck a hardnut, dares toquesti on the Rapids,which dares to break the barrier of ideas, a nd dare to benefit cur e barriers. Deepeni ng reform andope ningup is on schedule to achieve institutional safeg uardsof the m oderately well-off. Under the "five in one" the General layout