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四川省大竹中学2018-2019学年高一第二学期5月月考考前模拟数学试题

适用年级:高一试卷类型:月考试题总数:22浏览次数:204上传日期:2019/6/12
一、单选题
1 . 已知非零实数eqIdb2facd7d965d4caaad562a2957ea931c,则下列说法一定正确的是(   )
A.eqIdf8357069f44e4798b50f6b308707a1ddB.eqId356c186673e04a8c893e86b27384ad9eC.eqId49810c83d0714df8af634973042aa96aD.eqIdbd6ba1401e2840588586a50ccd4a6622
难度系数:0.94使用:634次题型:单选题更新:2019/6/12
2 . 已知直线eqId74c7e0292b094e54ae596d37798a05ed的倾斜角为eqIdf1c3337151994ec4b99354c9d54f311c,直线eqId439fb93f7745417b8bb1747d963c6e60经过点eqId5d108b78f5af41e4ba73f80d0292f230eqId7b30969afa334dbb92569dc54f6ccfee,则直线山eqId74c7e0292b094e54ae596d37798a05edeqId439fb93f7745417b8bb1747d963c6e60的位置关系是(   )
A.平行或重合B.平行C.垂直D.重合
难度系数:0.85使用:256次题型:单选题更新:2019/2/27
3 . 如图,在平行四边形eqId5ce7a06ae7a34393b92b5277978ac014中,已知eqId0119135ceef0489fab389d91af7bb5a3eqIdd79814e122b14b569d6b7c5214fb9237eqId903460518278481dbf02a2e0eb0da6d1(   )
figure
A.eqIdf03c95a09d494978a2bed96bef484c61B.eqId3473cd11d1dc4f53848406223a337075
C.eqId0b2faa45075a4af7a6adac4a7c871aeaD.eqIdbefed149d77242ec8777568435015601
难度系数:0.94使用:401次题型:单选题更新:2019/6/12
4 . 在eqId992fe44057cf4492895193f3f5398449中,角eqIdcc614bd3390c4d028df189b234dcc351eqId8754ce8cf7f34f04abb9a0c041f57f5ceqId19a4eb16029e4550a14f2afe4741a3c3所对的边分别是eqId70a27b6ddf6b478285353abb3b1f3741eqIde3ff50261b3b48789d45dd3876c7571beqIde35f447365484e7f891dc56884132698,若向量eqId14f530a630c34666b4a73e19359ba3c4eqIdb587607545414c509b6bce6ea009706c,且eqIdcf0e8d18bb714171adff34e10fe98d77,则角eqIdcf3f94c28ca74959b628c6afa0878258(   )
A.eqId78e889f7c87448e99a30ff538595113eB.eqId62c5adee377b4699be1bd3c6acaf9470C.eqId87a9bbb6dd564186905f2064b8c22182D.eqId5f887aed93254d4b8ebdf29bbcfa369a
难度系数:0.94使用:719次题型:单选题更新:2019/6/12
5 . 已知1,eqId75691f28a5bb4c8287401017aa3a2d29eqId0509add794484602a2c710f41d9ddddc,9四个实数成等差数列,1,eqId91527d9f559f45afb12460e0c2e33b6feqId34548984d3bb4936a89dc1cb421225afeqId84d8a913f0574fff9080ebae439eec0a,9五个数成等比数列,则eqIda256cbe040254e7083265f23b13a94a5(   )
A.8B.-8C.±8D.eqId632d8cf054d347a8ad04a956c860a1b4
难度系数:0.94使用:578次题型:单选题更新:2019/6/12
6 . 中国古代数学著作《算法统宗》中有这样一个问题:“三百七十八里关,初行健步不为难,次日脚痛减一半,六朝才得到其关,要见次日行里数,请公仔细算相还.”其意思为:有一个人走378里路,第一天健步行走,从第二天起脚痛每天走的路程为前一天的一半,走了6天后到达目的地,请问最后一天走了(  )
A.6里B.12里C.24里D.96里
难度系数:0.85使用:424次题型:单选题更新:2019/4/16
7 . 下列式子的最小值等于4的是(   )
A.eqId371111f53f9243e0856475c4e827ce54B.eqIda45196fee5bf42a295ac4fff61fa8b91eqIdaa96df11680744e0b0b7c62f14fbf580
C.eqId78cba65bc36d40e994928e7b12f864a4eqIdc9f6e33170ea48a797d73c1ca20d4e65D.eqId8637d1f7178f4cdc9003db7fa3f0d588
难度系数:0.85使用:739次题型:单选题更新:2019/6/12
8 . 若数列满足,若对任意的都有,则实数的取值范围是(   )
A.B.C.D.
难度系数:0.64使用:369次题型:单选题更新:2016/5/31
9 . 已知等差数列的公差为,关于的不等式的解集为,则使数列的前项和取得最大值的正整数的值为(   )
A.4B.5C.6D.7
难度系数:0.4使用:1195次题型:单选题更新:2017/2/5
10 . 在上定义新运算,若存在,使得不等式成立,则实数的取值范围是(   )
A.B.C.D.
难度系数:0.85使用:291次题型:单选题更新:2019/3/11
11 . 若eqId992fe44057cf4492895193f3f5398449的面积为eqId55a0f500151c497ba4bfd047fae54f8d,且eqId50d8425fa8de46af88898e64a65bf308为钝角,则eqIded1b135d80b74c30b3d74bb316a644fb的取值范围是(   )
A.eqId0c957017828c4861aa57755510c94dd5B.eqId7f41eb8d03454030a902e7c2b5539791C.eqId98c20bc211ab4ed7887b7eca1bc12ce1D.eqIde4efc8629b30439e883acd2ecdcbbffe
难度系数:0.65使用:662次题型:单选题更新:2019/6/12
12 . 在锐角eqId992fe44057cf4492895193f3f5398449中,角eqIdcc614bd3390c4d028df189b234dcc351eqId8754ce8cf7f34f04abb9a0c041f57f5ceqId19a4eb16029e4550a14f2afe4741a3c3的对边分别为eqId70a27b6ddf6b478285353abb3b1f3741eqIde3ff50261b3b48789d45dd3876c7571beqIde35f447365484e7f891dc56884132698eqId7029653a47ba43daa345d51c829a2e15,已知不等式eqIdb4fe841fc56d41e8b2485dbef8d62277恒成立,则当实数eqId32454977564e4ee18da36bd51156c509取得最大值eqIde6ae2c03908e43a18fee6c11ec7d5a4e时,eqId15ba356d8cf945c688bd235d2ad4e08e的取值范围是(   )
A.eqIda422991d70db475da66aa5958003fad5B.eqIdc259606cd44441c7889b0f151b36bb3bC.eqId608babc252c746a7bbffe92f311ae370D.eqId1f586876d2064dc19d87866e6bc863d7
难度系数:0.4使用:716次题型:单选题更新:2019/6/12
二、填空题
13 . 设eqId992fe44057cf4492895193f3f5398449的内角eqIdcc614bd3390c4d028df189b234dcc351eqId8754ce8cf7f34f04abb9a0c041f57f5ceqId19a4eb16029e4550a14f2afe4741a3c3的对边分别为eqId70a27b6ddf6b478285353abb3b1f3741eqIde3ff50261b3b48789d45dd3876c7571beqIde35f447365484e7f891dc56884132698,且eqId038da879b6a5465aa89243dfb334bcf9eqIdf331e8faba4743c2b06b9ea001b519eaeqId5b02ba8ea0f841b8a824b6ec1c30a47c,则eqId8361d0227e384db3b83076b16ff79a5a______.
难度系数:0.85使用:303次题型:填空题更新:2019/6/12
14 . 如图,为了测量河对岸的塔高eqId99a3187c2b8f4bcc9703c74c3b72f1f3,可以选与塔底eqId8754ce8cf7f34f04abb9a0c041f57f5c在同一水平面内的两个测点eqId19a4eb16029e4550a14f2afe4741a3c3eqId0cd8063abf2b458f80091bc51b75a904,现测得eqIdc4c135dcd9fd403a9187d5f5231683fa米,且在点eqId19a4eb16029e4550a14f2afe4741a3c3eqId0cd8063abf2b458f80091bc51b75a904测得塔顶eqIdcc614bd3390c4d028df189b234dcc351的仰角分别为eqIdfbd7494ccbdc4140b8b2726966332ca5eqId7e70a9456f374c0e9f380c17b146f34a,又eqId194c203ec02e43bba9465da687db7c85,则塔高eqIde0af8ce253ea4138aaba2444f5b071e5______.figure
难度系数:0.85使用:304次题型:填空题更新:2019/6/12
15 . 在数列eqId93e38ecd74a24cb59da79181b95bfd3a中,已知eqIdaebe3dd7d7eb458d91d8b31a52b1f0e6eqIdf92993ecdf3c4df986b1d0d7fd1d6f20eqIdfe216c31ba9d468fb557c869df5160e7,记eqIddefa55fd32684ae69d78bea95f0ad8cfeqId92ed363a54bd4a8a93df9463bb3af1f5为数列eqIdeeb4ca98872f4e6d91cea28f43fc0b63的前eqId6a64a6458938477ea9222d722f9cca2f项和,则eqId6ef24b3b50a64e4a978fbe89a553da68______.
难度系数:0.4使用:548次题型:填空题更新:2019/6/12
三、解答题
16 . 已知函数eqId20a7f4ea99f74accbb98975fcac3d557.
(1)求关于eqIdc12aac8c2448479687a40735b3572a23的不等式eqIdc4916a6433184c2f872d26cb2bd57e58的解集;
(2)若不等式eqIdc4373fee02de4342a5fe3b31d0411b72对任意eqIdc9f6e33170ea48a797d73c1ca20d4e65恒成立,求实数eqId3a4208e0040c42ed8b09de2cae9d562e的取值范围.
难度系数:0.85使用:642次题型:解答题更新:2019/6/12
17 . 已知平面向量夹角为.
(1)求向量方向上的投影;
(2)求夹角的余弦值.
难度系数:0.65使用:624次题型:解答题更新:2018/4/24
18 . 如图:在平面四边形eqId5ce7a06ae7a34393b92b5277978ac014中,已知eqId7a897341b80d46c190f7309411678bb6,且eqIdec3b2de7d59e46cda32eb7ce87287b3ceqId9be381766cb14c5986d1a086fcb2e5daeqIddd054734bb774142ba92ab6b8c374d50.
figure
(1)求eqIde4b9b7205ed448de99cd9d6ad33d14a4
(2)求四边形eqId5ce7a06ae7a34393b92b5277978ac014的面积.
难度系数:0.85使用:263次题型:解答题更新:2019/6/12
19 . 已知数列eqId93e38ecd74a24cb59da79181b95bfd3a满足:eqIdfa66f5070a724ed7a6be6569d20eb32ceqId0f0ec11b2ee541d9ab304950fcf960e9.
(1)证明数列eqIde888b88f4bc546d99f39e1f945ca56f8为等差数列,并求数列eqId93e38ecd74a24cb59da79181b95bfd3a的通项公式;
(2)若数列eqIdeeb4ca98872f4e6d91cea28f43fc0b63满足:eqId4cba5bd54a9b492192dd4f8aa0b324a6,求eqIdeeb4ca98872f4e6d91cea28f43fc0b63的前eqId6a64a6458938477ea9222d722f9cca2f项和eqIddb5481de79c946c0a760143297d5eade.
难度系数:0.85使用:693次题型:解答题更新:2019/6/12
20 . 已知 ,若,且的图像相邻的对称轴间的距离不小于.
(1)求的取值范围;
(2)在锐角中,分别是角的对边,若当(1)中取最大值时,,且的面积是,求周长的最小值.
难度系数:0.65使用:632次题型:解答题更新:2018/2/11
21 . 已知等比数列eqId93e38ecd74a24cb59da79181b95bfd3a的公比eqIdd234311c6ebc46b8b15f57bda24cd875,前eqId6a64a6458938477ea9222d722f9cca2f项和为eqIddb5481de79c946c0a760143297d5eade,若eqId90201e72e0504ee7b5e302529ae665f1,且eqId8e1553badeb3444bb7a9545f0318dfa3eqId75691f28a5bb4c8287401017aa3a2d29eqId9dbdde492f954d879d4e96b4b513dd97的等差中项.
(1)求数列eqId93e38ecd74a24cb59da79181b95bfd3a的通项公式;
(2)设eqId7f8836886eca42e2adccafd3ea623714,记数列eqId93e38ecd74a24cb59da79181b95bfd3a的前eqId6a64a6458938477ea9222d722f9cca2f项和eqId92ed363a54bd4a8a93df9463bb3af1f5,若存在eqId532dc4d959024b79b546428f5856e5aa使eqId5d401a883398452eb1d3e58aff94a527成立,求实数eqId3a4208e0040c42ed8b09de2cae9d562e的取值范围.
难度系数:0.65使用:435次题型:解答题更新:2019/6/12
22 . 在中,边分别是角的对边,且满足.
(1)求
(2)若的面积为,求的周长.
难度系数:0.65使用:513次题型:解答题更新:2018/4/24
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