初二数学上册期末考试试题及答案.pdf

初二数学上册期末考试试题及答案(word 版可编辑修改)project work,cadres,cadres selection and other aspects of a total of 19,further defined the direction of rectification,enhancing the pertinence and effectiveness of democratic life.Good for this meeting,we requested the Standing Committee of the municipal party Committee,municipal Secretary General Tang Wenjin,the City Commission for discipline inspection Standing Committee Yang Xu,Jiang Jixue,Deputy Director of the personnel office,and other leading comrades present guidance allows us to warm applause for their welcome and thanks!Below,I first District Committee member of the 20XX team annual democratic meeting implementation of the corrective measures,as well as member of the team and of my own report guidelines for the implementation of the independent Commission against corruption statement invited leaders and comrades criticism.First,annual party on the 20XX team,Member of democratic life action plan implementation year 20XX,district democratic meeting a member of the team on study and practice the scientific Outlook on development theme,find a project supporting strong enough,the industry well enough,urban construction management level needs to be improved,livelihood improvement needs to be strengthened,district team itself,such as the five aspects.Year of 20XX,we find out the problems mentioned above,based on actual Shunqing construction and development,conscientiously sum up improvements,achieving significant development results and effectiveness of their work.(A)highlight the project handle,maintain high growth of investment.Adhere to the strategy as a Foundation,carrying out projects to promote increased stamina important.One is to increase the intensity of projects towards.Actively seek national and provincial policy support,superior special transfer payments,a variety of additional income will top 700 million Yuan,a number of key infrastructure projects,livelihood projects,industrial projects into the cage.Second,increasing the project attracts.This year a total of 23 signed a major project,of which 14 billion project,China Metallurgical group,vanke group,Guangdong hengda group,Taiwan Ruentex group,on the RI group,Shenzhen Kaisa,jifeng agricultural machinery,Mercedes-Benz,Audi 4S store and other large enterprises and projects have settled in Shunqing.Third,strengthen project construction.Annual implementation focus project 39 a,fixed assets investment total will breakthrough 12 billion yuan,created district yilai history high,South door dam,and five in shop old city transformation,and Ying China industrial concentrated district construction,and city main road construction,and Northeast steam Trade Center,and modern farmers industry Park,and vocational education city,and low rental,and also room construction,and features blocks build,and farmers market transformation,and rural version Street transformation,focus engineering speed up implementation,effectiveness obviously.Expected to be achieved this year,area-wide GDP 17 billion1初二数学上册期末考试试题及答案(word 版可编辑修改)编辑整理：尊敬的读者朋友们：这里是精品文档编辑中心，本文档内容是由我和我的同事精心编辑整理后发布的，发布之前我们对文中内容进行仔细校对，但是难免会有疏漏的地方，但是任然希望（初二数学上册期末考试试题及答案(word 版可编辑修改)）的内容能够给您的工作和学习带来便利。同时也真诚的希望收到您的建议和反馈，这将是我们进步的源泉，前进的动力。本文可编辑可修改，如果觉得对您有帮助请收藏以便随时查阅，最后祝您生活愉快 业绩进步，以下为初二数学上册期末考试试题及答案(word 版可编辑修改)的全部内容。初二数学上册期末考试试题及答案(word 版可编辑修改)project work,cadres,cadres selection and other aspects of a total of 19,further defined the direction of rectification,enhancing the pertinence and effectiveness of democratic life.Good for this meeting,we requested the Standing Committee of the municipal party Committee,municipal Secretary General Tang Wenjin,the City Commission for discipline inspection Standing Committee Yang Xu,Jiang Jixue,Deputy Director of the personnel office,and other leading comrades present guidance allows us to warm applause for their welcome and thanks!Below,I first District Committee member of the 20XX team annual democratic meeting implementation of the corrective measures,as well as member of the team and of my own report guidelines for the implementation of the independent Commission against corruption statement invited leaders and comrades criticism.First,annual party on the 20XX team,Member of democratic life action plan implementation year 20XX,district democratic meeting a member of the team on study and practice the scientific Outlook on development theme,find a project supporting strong enough,the industry well enough,urban construction management level needs to be improved,livelihood improvement needs to be strengthened,district team itself,such as the five aspects.Year of 20XX,we find out the problems mentioned above,based on actual Shunqing construction and development,conscientiously sum up improvements,achieving significant development results and effectiveness of their work.(A)highlight the project handle,maintain high growth of investment.Adhere to the strategy as a Foundation,carrying out projects to promote increased stamina important.One is to increase the intensity of projects towards.Actively seek national and provincial policy support,superior special transfer payments,a variety of additional income will top 700 million Yuan,a number of key infrastructure projects,livelihood projects,industrial projects into the cage.Second,increasing the project attracts.This year a total of 23 signed a major project,of which 14 billion project,China Metallurgical group,vanke group,Guangdong hengda group,Taiwan Ruentex group,on the RI group,Shenzhen Kaisa,jifeng agricultural machinery,Mercedes-Benz,Audi 4S store and other large enterprises and projects have settled in Shunqing.Third,strengthen project construction.Annual implementation focus project 39 a,fixed assets investment total will breakthrough 12 billion yuan,created district yilai history high,South door dam,and five in shop old city transformation,and Ying China industrial concentrated district construction,and city main road construction,and Northeast steam Trade Center,and modern farmers industry Park,and vocational education city,and low rental,and also room construction,and features blocks build,and farmers market transformation,and rural version Street transformation,focus engineering speed up implementation,effectiveness obviously.Expected to be achieved this year,area-wide GDP 17 billion2DCAB数学部分一、选择题(每小题有且只有一个答案正确，每小题4分，共40分)一、选择题(每小题有且只有一个答案正确，每小题4分，共40分)1、如图，两直线ab,与1相等的角的个数为()A、1个 B、2个 C、3个 D、4个2、不等式组的解集是（)x3x4A、B、C、D、无解3x4x33、如果，那么下列各式中正确的是()abA、B、C、D、a3b3abb2a312、已知点A在第四象限，且到x轴，y轴的距离分别为3，5,则A点的坐标为_;13、为了了解某校初三年级400名学生的体重情况,从中抽查了50名学生的体重进行统计分析，在这个问题中，总体是指_；14、某班一次体育测试中得100分的有4人，90分的有11人,80分的有11人,70分的有8人，60分的有5人，剩下的8人一共得了300分,则中位数是_.15、如图，已知B=DEF，AB=DE，请添加一个条件使ABCDEF，则需添加的条件是_;16、如图，AD和BC相交于点O，OA=OD，OB=OC，若B=40，AOB=110，则D=_度；17、弹簧的长度y(cm）与所挂物体的质量x(kg)的关系是一次函数，图象如右图所示,则弹簧不挂物体时的长度是_cm；初二数学上册期末考试试题及答案(word 版可编辑修改)project work,cadres,cadres selection and other aspects of a total of 19,further defined the direction of rectification,enhancing the pertinence and effectiveness of democratic life.Good for this meeting,we requested the Standing Committee of the municipal party Committee,municipal Secretary General Tang Wenjin,the City Commission for discipline inspection Standing Committee Yang Xu,Jiang Jixue,Deputy Director of the personnel office,and other leading comrades present guidance allows us to warm applause for their welcome and thanks!Below,I first District Committee member of the 20XX team annual democratic meeting implementation of the corrective measures,as well as member of the team and of my own report guidelines for the implementation of the independent Commission against corruption statement invited leaders and comrades criticism.First,annual party on the 20XX team,Member of democratic life action plan implementation year 20XX,district democratic meeting a member of the team on study and practice the scientific Outlook on development theme,find a project supporting strong enough,the industry well enough,urban construction management level needs to be improved,livelihood improvement needs to be strengthened,district team itself,such as the five aspects.Year of 20XX,we find out the problems mentioned above,based on actual Shunqing construction and development,conscientiously sum up improvements,achieving significant development results and effectiveness of their work.(A)highlight the project handle,maintain high growth of investment.Adhere to the strategy as a Foundation,carrying out projects to promote increased stamina important.One is to increase the intensity of projects towards.Actively seek national and provincial policy support,superior special transfer payments,a variety of additional income will top 700 million Yuan,a number of key infrastructure projects,livelihood projects,industrial projects into the cage.Second,increasing the project attracts.This year a total of 23 signed a major project,of which 14 billion project,China Metallurgical group,vanke group,Guangdong hengda group,Taiwan Ruentex group,on the RI group,Shenzhen Kaisa,jifeng agricultural machinery,Mercedes-Benz,Audi 4S store and other large enterprises and projects have settled in Shunqing.Third,strengthen project construction.Annual implementation focus project 39 a,fixed assets investment total will breakthrough 12 billion yuan,created district yilai history high,South door dam,and five in shop old city transformation,and Ying China industrial concentrated district construction,and city main road construction,and Northeast steam Trade Center,and modern farmers industry Park,and vocational education city,and low rental,and also room construction,and features blocks build,and farmers market transformation,and rural version Street transformation,focus engineering speed up implementation,effectiveness obviously.Expected to be achieved this year,area-wide GDP 17 billion4 第15题图 第16题图 第17题图18、如下图所示,图中是一个立体图形的三视图,请你根据视图，说出立体图形的名称：对应的立体图形是_的三视图。三、解答题(共78分)三、解答题(共78分)19、（8分）解不等式,并把解集在数轴上表示出来。x+1(x1)1220、(8分)填空（补全下列证明及括号内的推理依据)：如图：已知：ADBC于D，EFBC于F，1=3,求证:AD平分BAC。证明：ADBC,EFBC于F（已知)ADEF（）1=E()2=3(）又3=1（已知)1=2(等量代换)AD平分BAC（)21、画出下图的三视图(9分)主视图左视图俯视图123ABCDEF初二数学上册期末考试试题及答案(word 版可编辑修改)project work,cadres,cadres selection and other aspects of a total of 19,further defined the direction of rectification,enhancing the pertinence and effectiveness of democratic life.Good for this meeting,we requested the Standing Committee of the municipal party Committee,municipal Secretary General Tang Wenjin,the City Commission for discipline inspection Standing Committee Yang Xu,Jiang Jixue,Deputy Director of the personnel office,and other leading comrades present guidance allows us to warm applause for their welcome and thanks!Below,I first District Committee member of the 20XX team annual democratic meeting implementation of the corrective measures,as well as member of the team and of my own report guidelines for the implementation of the independent Commission against corruption statement invited leaders and comrades criticism.First,annual party on the 20XX team,Member of democratic life action plan implementation year 20XX,district democratic meeting a member of the team on study and practice the scientific Outlook on development theme,find a project supporting strong enough,the industry well enough,urban construction management level needs to be improved,livelihood improvement needs to be strengthened,district team itself,such as the five aspects.Year of 20XX,we find out the problems mentioned above,based on actual Shunqing construction and development,conscientiously sum up improvements,achieving significant development results and effectiveness of their work.(A)highlight the project handle,maintain high growth of investment.Adhere to the strategy as a Foundation,carrying out projects to promote increased stamina important.One is to increase the intensity of projects towards.Actively seek national and provincial policy support,superior special transfer payments,a variety of additional income will top 700 million Yuan,a number of key infrastructure projects,livelihood projects,industrial projects into the cage.Second,increasing the project attracts.This year a total of 23 signed a major project,of which 14 billion project,China Metallurgical group,vanke group,Guangdong hengda group,Taiwan Ruentex group,on the RI group,Shenzhen Kaisa,jifeng agricultural machinery,Mercedes-Benz,Audi 4S store and other large enterprises and projects have settled in Shunqing.Third,strengthen project construction.Annual implementation focus project 39 a,fixed assets investment total will breakthrough 12 billion yuan,created district yilai history high,South door dam,and five in shop old city transformation,and Ying China industrial concentrated district construction,and city main road construction,and Northeast steam Trade Center,and modern farmers industry Park,and vocational education city,and low rental,and also room construction,and features blocks build,and farmers market transformation,and rural version Street transformation,focus engineering speed up implementation,effectiveness obviously.Expected to be achieved this year,area-wide GDP 17 billion5S(千米)t(时)O 0.5 1.537.5102222、(9分）已知点A（10，0)，B（10，8)，C(5，0)，D（0，8），E（0,0),请在下面的平面直角坐标系中,(1)分别描出A、B、C、D、E五个点，并顺次连接这五个点，观察图形像什么字母;(2）要图象“高矮”不变，“胖瘦”变为原来图形的一半，坐标值应发生怎样的变化？23、(10分）如图，lA，lB分别表示A步行与B骑车在同一路上行驶的路程S与时间t的关系。（1）B出发时与A相距_千米。(2)走了一段路后，自行车发生故障，进行修理，所用的时间是_小时。(3)B出发后_小时与A相遇。（4）若B的自行车不发生故障，保持出发时的速度前进，几小时与A相遇，相遇点离B的出发点多少千米.在图中表示出这个相遇点C，并写出过程。24、（10分)已知:如图，RtABCRtADE,ABC=ADE=90，试以图中标有字母的点为端点，连结两条线段，如果你所连结的两条线段满足相等、垂直或平行关系中的一种,那么请你把它写出来并说明理由.初二数学上册期末考试试题及答案(word 版可编辑修改)project work,cadres,cadres selection and other aspects of a total of 19,further defined the direction of rectification,enhancing the pertinence and effectiveness of democratic life.Good for this meeting,we requested the Standing Committee of the municipal party Committee,municipal Secretary General Tang Wenjin,the City Commission for discipline inspection Standing Committee Yang Xu,Jiang Jixue,Deputy Director of the personnel office,and other leading comrades present guidance allows us to warm applause for their welcome and thanks!Below,I first District Committee member of the 20XX team annual democratic meeting implementation of the corrective measures,as well as member of the team and of my own report guidelines for the implementation of the independent Commission against corruption statement invited leaders and comrades criticism.First,annual party on the 20XX team,Member of democratic life action plan implementation year 20XX,district democratic meeting a member of the team on study and practice the scientific Outlook on development theme,find a project supporting strong enough,the industry well enough,urban construction management level needs to be improved,livelihood improvement needs to be strengthened,district team itself,such as the five aspects.Year of 20XX,we find out the problems mentioned above,based on actual Shunqing construction and deve