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时间:2020-11-21
《江苏省苏州市吴中区2020~2021学年第一学期高二数学期中调研测试试卷.pdf》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、2020~2021学年第一学期期中调研测试试卷高二数学2020.11注意事项考生在答题前请认真阅读本注意事项及各题答题要求1.本试卷共4页,包括单项选择题(第1题~第8题)、多项选择题(第9题~第12题)、填空题(第13题~第16题)、解答题(第17题~第22题)四个部分.本试卷满分150分,考试时间120分钟.2.答题前,请您务必将自己的姓名、考试号用0.5毫米黑色墨水的签字笔填写在答题卡的指定位置.3.答题时,必须用0.5毫米黑色墨水的签字笔填写在答题卡的指定位置,在其它位置作答一律无效.4.如有作图需要,可用
2、2B铅笔作答,并请加黑加粗,描写清楚.5.请保持答题卡卡面清洁,不要折叠、破损.一律不准使用胶带纸、修正液、可擦洗的圆珠笔.一、单项选择题:本大题共8小题,每小题5分,共40分.请将各小题的唯一正确选项填....涂在答题卡的相应位置上..........1.不等式xx(2)8的解集是··································································(▲)A.{
3、4xx2}B.{
4、xx4或x2}C.{
5、2xx4}D.{
6、xx2
7、或x4}x2.已知命题p:x≥0,2≥1,则命题p的否定是····································(▲)xxA.x≥0,21B.x≥0,21xxC.x0,21D.x0,213.已知ab,则下列结论正确的是···························································(▲)2233211A.abB.abC.babD.ab4.已知等差数列{}a的前n项和为S,若S8,aa22a,则a等于··
8、·(▲)nn23851A.1B.2C.3D.445.已知x为实数,则“x0”是“x≥5”的····································(▲)x1A.充分不必要条件B.必要不充分条件C.充要条件D.既不充分也不必要条件6.已知关于x的不等式
9、xa
10、
11、x2
12、3a≥对一切实数x恒成立,则实数a的取值范围是··························································································
13、··········(▲)A.11≤a≤B.a≤1或a≥1C.33≤a≤D.a≤3或a≥3高二数学第1页(共4页)7.在我国古代数学著作《九章算术》里有这样一段描述:今有良马和驽马发长安至齐,齐去长安一千一百二十五里,良马初日行一百零三里,日增十三里;驽马初日行九十七里,日减半里.良马先至齐,复还迎驽马,二马相逢.则二马相逢时,良马比驽马多走了多少路程···············································································
14、··(▲)A.440里B.540里C.630里D.690里8.已知等比数列{}a的前n项和为S,则下列命题一定正确的是····················(▲)nnA.若S0,则aa0B.若S0,则aa0202113202013C.若S0,则aa0D.若S0,则aa0202124202024二、多项选择题:本大题共4小题,每小题5分,共20分.请将各小题的所有正确选项填....涂在答题卡的相应位置上.(选出全部正确选项得5分,漏选正确选项得3分,错选得0分).........9.若正实数
15、a,b满足a+b=4ab,则下列不等式一定成立的是··························(▲)11A.ab≥B.ab≤C.ab≥1D.ab≤14410.已知数列{}a是公比为q的等比数列,ba4,若数列{}b有连续4项在集合nnnn{50,20,22,40,85}中,则公比q的值可以是·········································(▲)3243A.B.C.D.433211.无穷等差数列{}a的前n项和为S,若a0,d0,则下列结论正确的是(▲
16、)nn1A.数列{}a单调递减B.数列{}a有最大值nnC.数列{}S单调递减D.数列{}S有最大值nn212.若关于x的不等式0≤axbxc≤1(a0)的解集为{
17、1xx≤≤2},则3a+2b+c的值可以是········································································
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