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天津市宝坻区大口屯高级中学2019-2020学年高二上学期第一次月考数学试题
适用年级:高二 试卷类型:月考 试题总数:20 浏览次数:98 上传日期:2020-02-14
1 . 命题:“eqId8b92ec8488de4cf7990c4d6d92db5b40eqId46e6b18f02f04eb895f1614897d961f8”的否定形式是eqId8ef6c0e674674f2d99f9b356ef27b745
A.eqIdbbbe1915f51e47ee8229709d227d470aeqIdcf885b1391c94cfdab3f7a07012f8bbeB.eqId8b92ec8488de4cf7990c4d6d92db5b40eqId44f5c39680ea47778d71dcc5958b0869
C.eqIda1fe5ec6efc14fbfa798f10568c6ad3feqIdb63790b129504c9ebe891a7e81dca350D.eqId536d8d3a375145e8ac0f3bd4dcd71074eqId0629071149e74cd79854b1c75a178d2d
更新:2020/02/14难度:0.94题型:单选题组卷:41
2 . 已知eqId7e12b2eb3884458cb5364683e187adf2,则“eqId6efc050141a34eefb2c51eea693c2522”是“eqId878dd78d6d1c463bbbbedc16c58d642b”的eqId8ef6c0e674674f2d99f9b356ef27b745
A.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
更新:2020/02/14难度:0.85题型:单选题组卷:62
3 . 在等差数列{an}中,已知a5=3,a9=6,则a13=()
A.9B.12C.15D.18
更新:2020/02/14难度:0.94题型:单选题组卷:634
4 . 已知等比数列eqId2c1230a9ef5a4968be599681d676dd2b满足eqIdd4462aa0f8d44174a4a249a821012c25,则eqIdd80748a60dc04eb5bc4556d4e5cad370=
A.1B.eqId767acf51abfd4d97a757561d1a882151C.eqIde41289c7307b48bd893a195b321d250fD.4
更新:2020/03/29难度:0.94题型:单选题组卷:1471
5 . 若eqId613b8e772da445d6bcf088aa473e7137,则下列说法正确的是(   )
A.若eqId142fb6f8712a4e04a73b56741b7207aa,则eqIdec716c0d363b4530992a0da0535d598dB.若eqId142fb6f8712a4e04a73b56741b7207aa,则eqIdba2e5ba6cb1249f2ad42ba5d138805e5
C.若eqId142fb6f8712a4e04a73b56741b7207aa,则eqId1398483bd56e4e7fb62b5381c665ce58D.若eqId142fb6f8712a4e04a73b56741b7207aa,则eqId3d835b170e3445c99c7fee987a3502b2
更新:2020/04/23难度:0.85题型:单选题组卷:711
6 . 在等差数列eqIdfc8f97c338064f19b3742698d0ed2dc5中,eqIdb02f2a3432ed438e9e7d60af2f9c774deqId074b03205cbf4675846cdb6b3c80bddb,其前n项和eqId5e0da48a25634be087b89737ac500e48,则n等于eqId8ef6c0e674674f2d99f9b356ef27b745
A.9B.10C.11D.12
更新:2020/02/14难度:0.85题型:单选题组卷:116
7 . 已知eqIda75485e4fb5148ddab27294eeeb9fb8ceqId1f72d1b528954205a976f13455dd8e47,且eqId87bd5362527f4df194ce6268f8b14746eqIdc052ddfbd4524f67a79e0e77c2e5656aeqIdccbb308bf43d4f6080a525827bb5188a成等差数列,则eqIdd2cd98e0fc10431cb71ed1d3b1944ef1
A.最小值eqId7d78b3d9ec5c4ac687714914740d55dfB.最小值eqIdbca10dd45d3345b7a8896acc72a08c12
C.最大值eqId7d78b3d9ec5c4ac687714914740d55dfD.最大值eqIdbca10dd45d3345b7a8896acc72a08c12
更新:2020/02/14难度:0.65题型:单选题组卷:1093
8 . 已知数列eqId2c1230a9ef5a4968be599681d676dd2b满足eqId175425dbca924c97ba1f09788d4c11eeeqIdad52f52132ca4a65b675fe5fdc17802f,则eqId2c1230a9ef5a4968be599681d676dd2b的前10项和等于(    )
A.eqIdcab9d99015eb40b7b64dac5a493d9dd5B.eqId25491b41aa5b451ab06cd24e66a7ecd1C.eqId2644564487ca4333be7badfeb4809bc7D.eqId41b91a09e22d459893cbc601f375cd9f
更新:2020/06/23难度:0.85题型:单选题组卷:3924
9 . 已知eqIdfbc8b167025346c696eee96cc4a797f4四个实数成等差数列,eqId1eb5d503530b494e90d0d467eda5d130五个实数成等比数列,则eqIdd8082d65a8c7400496ca1a828654f29d()
A.8B.-8C.±8D.eqIdcf0e8924f6544d789d37564d497215a5
更新:2020/06/20难度:0.85题型:单选题组卷:873
10 . 若不等式对任意实数均成立,则实数的取值范围是(  )
A.B.       
C.D.
更新:2020/02/14难度:0.94题型:单选题组卷:769
11 . 焦点在x轴上的椭圆eqIde564822ad1ae4456ad682156be6d2bd0的焦距是2,则m的值是______.
更新:2020/04/29难度:0.94题型:填空题组卷:240
12 . 设等差数列eqId2c1230a9ef5a4968be599681d676dd2b的前eqIdf458db68122849abb588feb2e682d9ac项和为eqIddb5481de79c946c0a760143297d5eade,若eqId3139665a09d947cf931b747d51808c77eqId5785a2e98c11425cbc7e00f92e9bca82,则eqIdbadc082fcd5e462290fe4b52258e033c等于______.
更新:2020/06/30难度:0.65题型:填空题组卷:1447
13 . 设是由正数组成的等比数列,为其前项和,已知,则的公比__________.
更新:2020/02/14难度:0.65题型:填空题组卷:440
14 . 不等式eqId171fe96c168b4e5eaec992ffdedcf6d6的解集为______,不等式eqId564649fcc72949d4a5b9aaf32463c2c1的解集为______
更新:2020/02/14难度:0.85题型:双空题组卷:148
15 . 已知,则的最小值为     
更新:2020/02/14难度:0.85题型:填空题组卷:458
16 . 在等差数列eqIdfc8f97c338064f19b3742698d0ed2dc5中,eqId4d364f402b6546bc898b8b137cbbc77d为数列eqIdfc8f97c338064f19b3742698d0ed2dc5的前n项和,且满足eqIdc565994a6d1541f6bcb837576f55af2ceqId94158e90db524eb7ac875f3f3d1cacc9
eqId7b0c876472714a72ae295f233fb0622a求数列eqIdfc8f97c338064f19b3742698d0ed2dc5的通项公式;
eqId6a74229c63d7479c8ff55ba05baf9afeeqId4d364f402b6546bc898b8b137cbbc77d,并指出当n为何值时,eqId4d364f402b6546bc898b8b137cbbc77d取最小值.
更新:2020/02/14难度:0.65题型:解答题组卷:164
17 . 已知数列eqId93e38ecd74a24cb59da79181b95bfd3a是公差不为0的等差数列,首项eqId77b3f6b9955e499dbdab033a38779496,且eqId0cbf5902744a44b79dd54f9771caf2eb成等比数列.
(1)求数列eqId93e38ecd74a24cb59da79181b95bfd3a的通项公式;
(2)设数列eqIdeeb4ca98872f4e6d91cea28f43fc0b63满足eqId3c4b2482c13f44b680ddf245ba168613,求数列eqIdeeb4ca98872f4e6d91cea28f43fc0b63的前eqIdf458db68122849abb588feb2e682d9ac项和eqId92ed363a54bd4a8a93df9463bb3af1f5
更新:2020/06/14难度:0.65题型:解答题组卷:646
18 . 设数列的前figure项为,点均在函数的图象上.
(1)求数列的通项公式.
(2)设, 求数列的前figure项和.
更新:2020/05/08难度:0.65题型:解答题组卷:877
19 .
已知函数eqId48444e8705ff47f49ad90990f6581c44
(I)求函数eqId6f13759e937144069819aed2ae5a1057的最小值;
(II)若不等式eqId19bfd6fb4b1d4a7e8fb5383eec59c90a恒成立,求实数eqId32454977564e4ee18da36bd51156c509的取值范围.
更新:2020/02/14难度:0.94题型:解答题组卷:586
20 . 已知eqId2c1230a9ef5a4968be599681d676dd2b为等差数列,前n项和为eqId2a6daa77888b4fe999a021cf896c0eceeqIda0db2906046940e19de8782f94f34137是首项为2的等比数列,且公比大于0,
eqId15620998b18b4a7aaf978d977aa164e4.
(Ⅰ)求eqId2c1230a9ef5a4968be599681d676dd2beqIda0db2906046940e19de8782f94f34137的通项公式;
(Ⅱ)求数列eqId663569b6ee1647b684f72f60f982efa9的前n项和eqIdf434b5f0abbf4cc19086832c7bd0b295.
更新:2020/06/24难度:0.65题型:解答题组卷:11027