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四川省成都市2019-2020学年高一下学期期末(文科)数学试题
四川 高一 期末 2020-09-16 18次

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1. 等比数列eqId93e38ecd74a24cb59da79181b95bfd3a满足eqId77b3f6b9955e499dbdab033a38779496eqId1dace4ea0dcb47308d0ccbca33efb599,则eqIdb2fb132dbd7f4e809993e2923f6724b1(   )
A.81B.-81C.243D.-243
更新:2020/09/16 |题型:未知 |组卷:0
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2. 某正方体被截去部分后剩余几何体的直观图如图所示,则该几何体的侧视图为(   )
说明: figure
A.说明: figureB.说明: figureC.说明: figureD.说明: figure
更新:2020/09/16 |题型:未知 |组卷:0
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3. 二次不等式eqId842d4df25d8f48768c1b9ff03184d48f的解为全体实数的条件是(   )
A.eqId5d9f433d7840482c8ccbe9b11bf8e03bB.eqIdff54ea4ec8854b6db1ddcd3e942d74f4C.eqIdcb1a840a69db4157adfd1cc2f28417eaD.eqId0d27553dc58f47d7b13ea438a9b13eda
更新:2020/09/16 |题型:未知 |组卷:0
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4. 已知eqIdec94d3ed8e014962ab4d168760c2e0a7,则eqId40f1de52cea941e996a3b302602d927d(   )
A.eqId7f1f28503f41439586d8e228365897e9B.eqId2b4cdf753a8746efb449b3005ed03f26C.eqId984f3d2a94a14e92890974be2ab293aaD.eqIda8ddaf9ef57348b0b0d105b11d6ea6de
更新:2020/09/16 |题型:未知 |组卷:0
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5. 已知单调递减的等比数列eqId93e38ecd74a24cb59da79181b95bfd3a中,eqIdd0c0b6cd7e7f40f68ac30ad0026e306c,则该数列的公比eqIda5d0fc594d4048549d5bbda484fbecc8的取值范围是(   )
A.eqId61c063cce9484719bc6c6cd080746b9eB.eqIde3ec7b49d651470c989a5db8ae9ff6d8C.eqId9fd2d66832064d79b98d15495937aeb4D.eqId282fd821c83a44aba785d058f904218a
更新:2020/09/16 |题型:未知 |组卷:0
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6. 将eqIde81f543353e742c79dd5c9a597c49fae化简为eqId582998c49e4443d38142d907e88c34eeeqId0c10827df4214807ac8d1bda56ba2323eqId8ccf61601cf049d8a2100ee27d5b2419eqId29ec9f2c6f474a178736bd68e40d7756)的形式为(   )
A.eqId899c41b498e9491e9b19204b845fbffdB.eqId9b988bccac424cce9a0eea358276c76bC.eqId324a664ddde94f8db87cd2f4b35ce108D.eqId02d9d69041b644ada5d4e721b942e345
更新:2020/09/16 |题型:未知 |组卷:0
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7. 在eqId64b9b599fdb6481e9f8d9a94c102300b中,角eqIdcc614bd3390c4d028df189b234dcc351eqId8754ce8cf7f34f04abb9a0c041f57f5ceqId19a4eb16029e4550a14f2afe4741a3c3所对的边分别为eqId70a27b6ddf6b478285353abb3b1f3741eqIdaea992e70d4943e49e893817eb885ed7eqIdad7cefefaba947e1a168bca491c4fca1,若eqIdec9108b08a8346f188bb0a48c0ac88ea,则eqId64b9b599fdb6481e9f8d9a94c102300b为(   )
A.直角三角形B.锐角三角形C.钝角三角形D.等腰三角形
更新:2020/09/16 |题型:未知 |组卷:0
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8. 若eqIdde23c9bee5f2497a98f967afa9b73a7a,则下列说法正确的是(   )
A.eqId016f1f307ff04a378897996144c6f301B.eqId9db8eeda536841aab04eeba45db10b88
C.eqIdf7cada518b2c431db628f466b4bb586bD.eqIdf3cb8980575b4477a2d9a0c3277ee5bb
更新:2020/09/16 |题型:未知 |组卷:0
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9. 把四边形eqId5ce7a06ae7a34393b92b5277978ac014按斜二测画法得到平行四边形eqId9ceb28955d084d2b87688e75caa76b1c(如图所示),其中eqIdbbe11087a30940109427df2e5fbb684beqIdcc75f4172b874e08b67a76717679466f,则四边形eqId5ce7a06ae7a34393b92b5277978ac014一定是一个(   )
说明: figure
A.菱形B.矩形C.正方形D.梯形
更新:2020/09/16 |题型:未知 |组卷:0
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10. 已知数列eqId93e38ecd74a24cb59da79181b95bfd3a满足eqId07047b7b37bf46fab504d238469d5ebceqId275f6f3282c444ad8a2fd8e75251a738eqId532dc4d959024b79b546428f5856e5aa),且eqId681ee32b0980433e94ff5b7e029a5760,则eqId88ef23c03cc5404f9ddfcd092ce5ed85的第eqIdf458db68122849abb588feb2e682d9ac项为(   )
A.eqId16915e0b1cb849dd911814a3ca35d611B.eqId693a5b39aa2e4003982470248ad03087C.eqIde64907c7f5b144a89f60bb4c7948e8faD.eqIdc4bc78be60d14d5e874ffe603e60b6ca
更新:2020/09/16 |题型:未知 |组卷:0
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11. 夏季是暴雨和洪水高发季节,需要做好各项防汛工作.为更好地考察防汛抗洪实地情况,某校高一数学兴趣小组前往某水库实地测量其大坝相关数据.如图所示,eqId5bc8e1134afb4130a2c2d1a5b3e30dd6是该大坝的坡面,该小组在坝底所在水平地面的eqIdcc614bd3390c4d028df189b234dcc351处测得坝顶eqId93cbffaa5ae045d6ac45d1e979991c3a的仰角为eqId50619b805a9743fe980db51e08985a46,对着大坝在水平地面上前进eqId5994d9fa5a1f45a496a9f26f4a4a733f后到达eqId8754ce8cf7f34f04abb9a0c041f57f5c处,测得仰角为原来的2倍,继续在水平地面上前进eqId870f65d4202040988fc6758462bf6a3e后到达坡底eqId19a4eb16029e4550a14f2afe4741a3c3处,测得仰角为原来的4倍,则该大坝的高度为(   )
说明: figure
A.eqId3bed69b3675a42fcac10a49f75ace288B.eqIde4825ad7d31748cba82cb7c7120dedc3C.eqId001ca9e693144dd0a9ffbb0b042e1269D.eqId1cf68deeb90c489c97769c5f3326f55d
更新:2020/09/16 |题型:未知 |组卷:0
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12. 已知eqIdcc614bd3390c4d028df189b234dcc351eqId8754ce8cf7f34f04abb9a0c041f57f5ceqId19a4eb16029e4550a14f2afe4741a3c3eqId64b9b599fdb6481e9f8d9a94c102300b的三内角,且角eqIdcc614bd3390c4d028df189b234dcc351为锐角,若eqIdc95e2565bd6b4f489d8003d221b9d48a,则eqId4f9358b2be4e4fe79b5ac23906045d2f的最小值为(   )
A.eqId9e311be638c64d4eaed28e15dcba7451B.eqId49b7b111d23b44a9990c2312dc3b7ed9C.eqId5f51ce9cc7fe4412baeb871cceb26665D.1
更新:2020/09/16 |题型:未知 |组卷:0
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13. 在eqId64b9b599fdb6481e9f8d9a94c102300b中,若角eqId5f561a4bbb06490296e17e253f6f5c41eqIdeea70124a10d49a880df7323b41aa9b7eqIde2f8bc21e65f476d8e4dfb6bcc9ed5f0,则角eqId45efe8ebdf444addb2fd9e39ac69c8fd______.
更新:2020/09/16 |题型:未知 |组卷:0
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14. 二十四节气作为我国古代订立的一种补充历法,在我国传统农耕文化中占有极其重要的位置,是古代劳动人民对天文、气象进行长期观察、研究的产物,凝聚了古代劳动人民的智慧.古代数学著作《周髀算经》中记载有这样一个问题:从夏至之日起,小暑、大暑、立秋、处暑、白露、秋分、寒露、霜降、立冬、小雪、大雪这十二个节气的日影子长依次成等差数列,若大暑、立秋、处暑的日影子长的和为18尺,立冬的日影子长为10.8尺,则夏至的日影子长为______尺.
更新:2020/09/16 |题型:未知 |组卷:0
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15. 下列说法中,错误的有___________(写出你认为错误的所有说法的序号).
①若eqId70a27b6ddf6b478285353abb3b1f3741eqIdaea992e70d4943e49e893817eb885ed7均为正数,则eqId0c77e84d77fc43c3b046fdf7db5d234c
②若eqIdcd417b810d7840698ef8d00a3f9ef251,则eqIde510d997217641fdb05911f80fb0d965的最小值为2;
eqId207ddd75d0ee42629ce30bec7dcdaba1,则eqId524dde81e61d409c9d7ceae0b7a806a1
④若eqId79114e9fc29142c2b82aab55254cf210,则eqId276a1bb84b1448d882dac3f29648c90d.
更新:2020/09/16 |题型:未知 |组卷:0
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16. 已知等差数列eqId93e38ecd74a24cb59da79181b95bfd3a中,eqId78f145b513444ccdbccd2101ceed0810eqId17cc2764d7c84e3caf24cb1119197e44.
(1)求eqId93e38ecd74a24cb59da79181b95bfd3a的通项公式;
(2)求eqId93e38ecd74a24cb59da79181b95bfd3a的前eqIdf458db68122849abb588feb2e682d9ac项和eqIddb5481de79c946c0a760143297d5eade.
更新:2020/09/16 |题型:未知 |组卷:0
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17. 图形eqIdcfdc118cc3484494b8ee9d75ea8b8fc2由矩形eqId5ce7a06ae7a34393b92b5277978ac014和扇形eqId28f374605af2463f991d1dd23797fec1组合而成(如图所示),eqIdc7ea7d33bba04c00bf916cf1178f1b30eqIdc4ca7ed9b2a74cf482ca0e2489412f69.求将该图形沿eqId5bc8e1134afb4130a2c2d1a5b3e30dd6旋转一周后所形成的几何体的表面积和体积.说明: figure
更新:2020/09/16 |题型:未知 |组卷:0
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18. 已知eqIdf5d6a0918b4c4347ba8b60ad88cee2c2eqIdcffb87fdf924471ba972f4a8a6098b8beqIda41afc89b9c2409ebfec31aeb1f1f4ea.
(1)求eqId6506a1cf4c9d41c4a51053d42e8a8bc6的值;
(2)求角eqIdc13953f2514e4c8f9c8aaaf5241c33ac的大小.
更新:2020/09/16 |题型:未知 |组卷:0
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19. 已知数列eqId93e38ecd74a24cb59da79181b95bfd3a的前eqIdf458db68122849abb588feb2e682d9ac项和为eqIddb5481de79c946c0a760143297d5eade,且满足eqId54d52624e2b74d18a603946a5dc5fe52.
(1)证明数列eqId93e38ecd74a24cb59da79181b95bfd3a是等比数列;
(2)若数列eqIdeeb4ca98872f4e6d91cea28f43fc0b63满足eqId833d3767dede4642913693ec926a8272,记数列eqIdea2e00993cee418fa59534420ea72389eqIdf458db68122849abb588feb2e682d9ac项和为eqId92ed363a54bd4a8a93df9463bb3af1f5,证明eqIdc8d550229d414762a1e6ef44e48be0ca.
更新:2020/09/16 |题型:未知 |组卷:0
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20. 已知函数eqIdf080bde0913b470b8c2e89f5a2c94029.
(1)当eqId316e2199840e418e87252dba1d7d7ffd时,求当eqIddb2434488713493c848a36c620dcdcaf时,函数eqId7a63e15c54d04956a6a2fd4c20379922的值域;
(2)解关于eqIda9cd3f94eb8045438f75e9daccfa7200的不等式eqId8fc29f78d9744140b2db99d941134919.
更新:2020/09/16 |题型:未知 |组卷:0
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21. 2020年5月6日,成都东部新区正式挂牌,标志着经过三年的规划设计后,一个承接成渝地区双城经济圈建设、落实成都东进战略的新区正式成立.为落实东部新区“双城一园、一轴一带”的空间布局的需要,某规划部门拟规划如图所示的三角形(eqId64b9b599fdb6481e9f8d9a94c102300b)产业园区,其中eqId1f7f0d32f52d4e9b94115d5f798a060c.
说明: figure
(1)求角eqId8754ce8cf7f34f04abb9a0c041f57f5c的大小;
(2)若在该产业园区内再规划一个核心功能区eqId1ba8a6a849e04b31abd4a64a759061b5eqId0cd8063abf2b458f80091bc51b75a904eqId93cbffaa5ae045d6ac45d1e979991c3a是边eqId0627be51821d4be7b3e024a354815d64上的点),且eqIdf8be5b710bbc41d8bba88091f765dc84eqIdc4ab2b343c1c45dfb38d7ab21e3534ebeqIdf8da92c789454fabb830ff54f4cf03e4米,求核心功能区eqId1ba8a6a849e04b31abd4a64a759061b5面积的最小值.
更新:2020/09/16 |题型:未知 |组卷:0

二、填空题添加题型下试题

22. 求值:cos75°cos15°﹣sin75°sin15°=