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湖南省邵阳市洞口四中2019-2020学年高二上学期期中数学试题
适用年级:高二 试卷类型:期中 试题总数:20 浏览次数:97 上传日期:2020-03-19
1 . 设集合eqId38614591a3e14cdfa3f8227b9b1a9bfeeqIdeba2b588b029408f9f1a476f97b66e2f,则eqId3cd3ee3379de4db196e35555e85f1e59(    )
A.eqId6267651549c74d1cbe3e8de338e63debB.eqId947fd63c5264439e8832498649f19948
C.eqIdaf153c8165314db0810d3037cf646ad9D.eqIdd50c7deea0a346c6b6b03578da1292cf
更新:2020/03/19难度:0.94题型:单选题组卷:79
2 . 函数eqId01d01c9f3dac430ea30ab7be7e79e9f4的定义域为(    )
A.eqId53c8a7d865fa4824a1987f900c92f274B.eqId10c8c34dac2b4527a29dbe5cb46a4120C.eqIde39e244cb2f640e8b2930cd9195b8cd3D.eqIdb9090d9674bd42f285f9bf744fca03c0
更新:2020/03/19难度:0.94题型:单选题组卷:90
3 . 设数列eqId93e38ecd74a24cb59da79181b95bfd3a是公差为eqIdc052ddfbd4524f67a79e0e77c2e5656a的等差数列,若eqId175ba2764e9c4c419547792f94c11e6f,则eqIdb2fb132dbd7f4e809993e2923f6724b1(    )
A.4B.6C.8D.10
更新:2020/03/19难度:0.94题型:单选题组卷:202
4 . 已知向量eqId64a0ade72aca4fe7a2f091356e2d7504eqId04d95ba1167846138eb75f10e2b621f9,若eqId1a3179efb6814bb8b78a7f445325bf61,则实数k的值为(   )
A.2B.eqId767acf51abfd4d97a757561d1a882151C.3D.eqIdfcc58431683b452ca65d1d9977a280bd
更新:2020/06/17难度:0.94题型:单选题组卷:596
5 . 函数eqId10a20bc534064796bacc3ecf6b69470d的零点为(   )
A.4B.3C.2D.1
更新:2020/05/15难度:0.94题型:单选题组卷:350
6 . 在eqId8d347d6ffc924eaaa4035b0b7a796d7b中,角eqId10bbe48f886a4fa78fdf8c1fd064f9b4的对边分别为eqId0ce93bfa1f6a4a23b3258410dd19847a,已知eqId6cc99dc3cae344afa3c575ffd5550bd8,则eqId45efe8ebdf444addb2fd9e39ac69c8fd()
A.eqId6ae1b8c27eca4e178bd2fa2aaa290c89B.eqIde19829b27289414688768b8bd154504fC.eqId2a4bfee1a7554b23987679454e102aafD.eqIdd29bd59bb3044e74a744a19b7e2ffa89
更新:2020/03/19难度:0.94题型:单选题组卷:545
7 . 图像不经过第二象限的函数是(   )
A.eqIde23355f6cfe94cf3870a9c3dffe1618dB.eqId0feab5a8a749471e97febd04f300118eC.eqId1aacfd8f79754517ab57903022e76d98D.eqId64827682c78a42d984e17c2ae4391de1
更新:2020/03/19难度:0.85题型:单选题组卷:55
8 . 某几何体的三视图(都是半径为eqId37705e1ef6a84bbdbe88433e75932cdf的圆)及其尺寸如图所示,则该几何体的体积为(  )
figure
A.eqId38e5370dda824977bc843210c337529eB.eqId7681784440c04c469bb134c3ea9fb53aC.eqIdddd35c5d043e4ebeac32a99367053c68D.eqIde72c898310bf4fb1a72beeaf8a335d66
更新:2020/03/19难度:0.94题型:单选题组卷:177
9 . 要完成下列两项调查:(1)某社区有100户高收入家庭,210户中等收入家庭,90户低收入家庭,从中抽取100户调查消费购买力的某项指标;(2)从某中学高二年级的10名体育特长生中抽取3人调查学习负担情况,应采取的抽样方法是(  )
A.(1)用系统抽样法,(2)用简单随机抽样法
B.(1)用分层抽样法,(2)用系统袖样法
C.(1)用分层抽样法,(2)用简单随机抽样法
D.(1)(2)都用分层抽样法
更新:2020/03/19难度:0.94题型:单选题组卷:453
10 . 直线AB的斜率为2,其中点A(1,﹣1),点B在直线y=x+1上,则点B的坐标是()
A.(4,5)B.(5.7)C.(2,1)D.(2,3)
更新:2020/03/19难度:0.85题型:单选题组卷:684
11 . 已知函数eqIdb34947648eef44de8ed72772733c65d8eqId213750d2610e4dffaa9855d1cd831014的值是     ___
更新:2020/03/19难度:0.94题型:填空题组卷:949
12 . 已知eqId2d569479cd1c43c1af15895792b64db6eqId8ba9197540c04cb6a2805f8bc9ae3f1deqId048cd6998b6a4cc492eddf5aed091787,则eqId3bd4c8b243594ac79241b8afa59f75e3有最大值为__________
更新:2020/03/19难度:0.65题型:填空题组卷:217
13 . 过点eqId9325a1f20efb49c09c7017a4a9f6320b且与直线eqIdd9aed6ee85a3433a96db0c3833033a32平行的直线方程是____________.
更新:2020/03/19难度:0.94题型:填空题组卷:85
14 . 如图,在半径为eqId37705e1ef6a84bbdbe88433e75932cdf的圆内随机撒eqId727650e20a234e51a97c72f164196d56粒豆子,有eqId76cab3deb22044968094187ee9174798粒落在阴影部分,据此估计阴影部分的面积为____________.figure
更新:2020/03/19难度:0.94题型:填空题组卷:79
15 . 若函数eqId2c59258f4e304355af186474eee79196eqId982da3835b7946d999cc8604a2ece266eqIdd951487aa2c84adebbd85d63425e0e52)恒过定点eqId377f64840bf54ed3af8f20b9b60e8ff7,则eqIdd2781a77c68c4dfa815fe3916afc45cb的值为__________.
更新:2020/03/19难度:0.94题型:填空题组卷:114
更新:2020/03/19难度:0.94题型:解答题组卷:425
17 . 等比数列eqId93e38ecd74a24cb59da79181b95bfd3a的各项均为正数,且eqIde03f3dad655441c19fbb0c6b6fbd169a,eqId3d60a71e82414fe6bf24bc380dcda85c.
(1)求数列eqId93e38ecd74a24cb59da79181b95bfd3a的通项公式;
(2)设eqId833d3767dede4642913693ec926a8272,求数列eqIdeeb4ca98872f4e6d91cea28f43fc0b63eqIdf458db68122849abb588feb2e682d9ac项和.
更新:2020/05/30难度:0.94题型:解答题组卷:611
18 . 某学校为了解学生对食堂用餐的满意度,从全校在食堂用餐的3000名学生中,随机抽取100名学生对食堂用餐的满意度进行评分.根据学生对食堂用餐满意度的评分,得到如图所示的率分布直方图,
figure
(1)求频率分布直方图中eqId70a27b6ddf6b478285353abb3b1f3741的值
(2)规定:学生对食堂用餐满意度的评分不低于80分为“满意”,试估计该校在食堂用餐的3000名学生中“满意”的人数.
更新:2020/03/19难度:0.85题型:解答题组卷:116
19 . 设eqId70a27b6ddf6b478285353abb3b1f3741为常数,eqIde9edd995034840cfb557ea415074294a,函数eqId8b91c90504374ace8392659b71d320f3.
(1)若函数eqId4837c94ef0ff4dcf9b1dda4df363275a为偶函数,求实数eqId70a27b6ddf6b478285353abb3b1f3741的值;
(2)求函数eqId4837c94ef0ff4dcf9b1dda4df363275a的最小值.
更新:2020/03/19难度:0.85题型:解答题组卷:78
20 . 在平面直角坐标系eqId2272a344734c4fb088737b84294f7219中,已知eqId79fdaa2ba7ec4f7ebfa76ae225ac0671eqId315a90c32ec94be88b900de85b9a3039.
(1)求以点eqId19a4eb16029e4550a14f2afe4741a3c3为圆心,且经过点eqIdcc614bd3390c4d028df189b234dcc351的圆eqId19a4eb16029e4550a14f2afe4741a3c3的标准方程;
(2)若直线eqId417e80f1349244878d01fe90e0891f5f的方程为eqId8d7140264c614e26a09bfae127cce260,判断直线eqId417e80f1349244878d01fe90e0891f5f与(1)中圆eqId19a4eb16029e4550a14f2afe4741a3c3的位置关系,并说明理由.若直线与圆相交,求直线被圆所截得的弦长.
更新:2020/03/19难度:0.85题型:解答题组卷:105