宁夏青铜峡市宁朔中学2026-2027学年高三上学期第二次月考数学试卷

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青铜峡市宁朔中学2026-2027(一)高三年级第二次月考数学试卷                                                                              

一、单选题(本大题共8小题,每小题5分,共40分,在每小题给出的四个选项中,只有一个选项是符合要求的。)

1.已知复数eqIde81e59019989b7dc2fb59b037ef6e010满足:eqId2603e860dd4c07774d07cad453be9021,则eqIdb2d67321ace1e6b3be0fc0e5e8130022(     )

A.eqId51b92720cfa1a3ce34a9cdb1ce1ae050       B.eqId9eb02a5f727607c1c1f86bf163ec01b8        C.eqId52b3f5b528cfdc7ef52c2ac7838b78c4       D.eqId35cee1688dcb53f80eb3c663d9160641

2.已知集合eqId09893bd01c82e82b7851448587fb0fd9,则eqIdba1ec64b6b80bfbe64ddfa101517e7f9(    )

A.eqIdaec915767cf1810161eb3908d5b6dcc1      B.eqId64630f908ee5db6facdfa83d052c3225      C.eqId000dd0b3123bbe3f4e6385a670353ec1      D.eqId88f8a916d9063b5e453d893bad626a57

3.在下列区间中,函数eqId285ae9986f6e94d561159a8c5eda0059的零点所在的区间为(     )

A.eqId11d655ee6d4c2285b6f59652360862d2 B.eqId27f935fa5d0ae1b208aff21aa468ecf8       C.eqId5265d99095b635f62c7915298ec0e963         D.eqId3654254401fc902c3cb4912969f21f88

4.已知曲线eqIdce21531a886c50568b75fd4278f15dcf的一条切线的斜率为eqIdf89eef3148f2d4d09379767b4af69132,则切点的横坐标为(   )

A.4         B.3         C.eqIdf89eef3148f2d4d09379767b4af69132         D.2

5.已知函数eqId2ccf4eead58f60e2099306e1c3809763在eqId9b384412acba251d87902ab928902f16处取得极大值eqIdbdaa19de263700a15fcf213d64a8cd57,则eqId65dcd28f1a82c7dff18fdff8e4e991bf(   )

A.eqId46f86bee0329def49e2113613f31c70d        B.eqIde128e477fab6026eb4388d53be34a8bd        C.eqIde79502ffcf6e41522ec7b98af50dfc8e        D.eqId2d0c5faa0b23baec824f8c514c8f2f3c

6.已知单位向量eqIde73db31aecdde14e0002f082d9091df0,eqId2980a18e4d0a2a795b7983a1a1866db7满足eqId09bf659f227692b25f6bca8dc6362224,设向量eqIdb5464280092d5fd8d0d6e6671bcad984,则向量eqId73a0b19e69be46452425916a0fcb49c9与向量eqIde73db31aecdde14e0002f082d9091df0夹角的余弦值是(    )

A.eqId35ca4419cbe7c3dc2e40d0a17c9cad24         B.eqId71d141e18938319cc05063d29c111557         C.eqIddee14db57f0c762aad845cf5b4a243c0         D.eqId9868f77d5ab5073b6145f1c6d272122e

7.心理学家有时使用函数eqId2cd73ed5c70ec0ca5589979a491a5403来测定在时间eqId36a1b09c653185842513e24ebba60bb3(分钟)能够记忆的量eqId0c88d9142df6ba8e43c1a93bd04a1362,其中eqId5963abe8f421bd99a2aaa94831a951e9表示需要记忆的量,eqIdf0a532e15e232cb4b99a8d4d07c89575表示记忆率.假设一个学生有300个单词要记忆,心理学家测定在6分钟时该学生记忆了30个单词,则该学生记忆57个单词大约需要(     )

A.30分钟        B.24分钟        C.18分钟        D.12分钟

8.已知函数eqIdea64eda209067ead5d144822fbd51176(eqId94440d3e4c073f94f2b266ff99d50e74,且eqIdc400a615a16a1662de98dfb4e49d58d3)在eqId2628e2dd7a988cc80530e739c22b2280上单调递减,且关于x的方程eqIdb6c915ff7c8a6394ecea4ba48cc904cc恰有两个不相等的实数解,则a的取值范围是(    )

A.eqIdbb4c11ab47fa7028bac6b7de09fba4bd       B.eqId9e904459b5ea029ffe783efe1b046821       C.eqId569e8db1f60bcdf0e8c03777710dd3a7       D.eqId6f0f482b4cb7e27fbd09adb6b4af8fba

二、多选题(本大题共3小题,每小题6分,共18分,在每小题给出的四个选项中,有多项符合题目要求,全部选对得6分,部分选对得部分分,有选错的得0分。)

9.已知函数eqId77fd4aa70bc819518536074288ac9e2d,则(     )

A.eqId4fe7d5809da02c15a43a0e9a898b9086的最大值是2                 B.eqId4fe7d5809da02c15a43a0e9a898b9086的最小正周期为eqId2d88591679796c52024d11c4de641bdb

C.eqId4fe7d5809da02c15a43a0e9a898b9086在eqId99d7af122be7fa3d1de6670ccc767ed4上是增函数         D.eqId4fe7d5809da02c15a43a0e9a898b9086的图像关于点eqIdd353c666dd5f042ca5a9c1c73ea4e45d对称

10.已知eqId94440d3e4c073f94f2b266ff99d50e74,eqId67ca5fd57c2c2fcc3c7a574fdd1467d9,eqIdfd98ce07e05c58d83a48d90dfcb28fd2,则下列结论正确的是(     )

A.ab的最大值为eqId6ca8b26c3ad6d892590290a2304126bd B.eqIdb57f879f6e8df7d5fb261328806260b3的最大值为9

C.eqIdc925be255ca736a53b24d13ddede1a86的最小值为eqIdd3ffd5c35bba71ea54c28622b6cf505d D.eqIddf852e5c8d439fbf69f83fa9e080a638的最小值为eqId95bacae35b6e16a0a33c2bdc6bc07df7

11.已知函数eqId57cd1bb7afd08283c162ce934fbf256c,则(     )

A.eqId09f86f37ec8e15846bd731ab4fcdbacd的极大值点为-1

B.当eqIdb0e3727959c931222f1f0df95128e411时,eqId1c2e2fde96389d07add21d7c3547905a

C.eqId09f86f37ec8e15846bd731ab4fcdbacd恰有三个零点

D.若eqId09f86f37ec8e15846bd731ab4fcdbacd在区间eqId5606639dc96930a7028cb9db2ff48bbc上有最大值,则eqId0a6936d370d6a238a608ca56f87198de的取值范围为eqId26434aaf4c2df460634ac3fe129abeb9

三、填空题(每小题5分,共15分。)

12.已知向量eqId0c96625eb4b57720cf9521a7bb609b1a,eqId0332444a6c673c861c276eb6b349a86d,eqIded492f7b29166ba5c1f0023b05a439c5与eqId3143307ad0ba4a631eac04e814993655共线,则eqId52b44b958485440d03acd872e405e86e___________.

13.在平面直角坐标系eqId7ee31829d0d4d5f779a957d7df8058ab中,角eqIde170f206fdbbd834aad7580c727e2cc6以eqIdc3e5af20b2f8c1fba4470f9650989e51为始边,eqIde170f206fdbbd834aad7580c727e2cc6终边在直线eqId4407788e4dc88210bca71a2551d4f2f9上,则eqId70d45c243d18b3c631dc5d7c950b7abe_________.

14.已知函数eqIda05ac821e5635ee3279130b7b8d3f074,过点eqIdf4890df12e3cf06334bc79af666d97c4有三条直线与eqId4fe7d5809da02c15a43a0e9a898b9086的图象相切,则实数eqId0a6936d370d6a238a608ca56f87198de的取值范围

为____________.page number 0

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