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宁夏石嘴山市第一中学2021届高三9月月考数学(文)试题
宁夏 高三 月考 2020-10-17 24次
特供卷

一、单选题添加题型下试题

1. 已知集合eqIdb8e97e4becff467495be29365d114828eqIdbd8b1a87bafc42919175f298f8f9547c,则eqId170a03e31a0e4656b66452088e998e61(   ).
A.eqIdbb43709c4cf7400d8a811bd8e0d37f6cB.eqId43e3162e6d474b33a17444e6bd04e5ddC.eqId9db45e4bb1764178ba32dd1f81d59d54D.eqId35fad7c28d5146a3858039bf694cf399
同步
2. 若eqId5c5abb1e69034db4beaafbe7b99ac0d2,且eqIdcfef89b1e01b4704ba463800281c4ef3,则eqIdc13953f2514e4c8f9c8aaaf5241c33ac是(  )
A.第一象限角B.第二象限角C.第三象限角D.第四象限角
更新:2020/10/17组卷:2345引用[21]
4. 设eqIde01bf4a627a74119a9b41eb507e49d05 则(  )
A.eqIdde23c9bee5f2497a98f967afa9b73a7aB.eqIde20b3cdceb054975bbbb3a4598602bafC.eqId2cf6c501fcaf451c89bbbe8a7b5da7adD.eqId98df60d61acf40a38ea6e88af8316379
同步
5. 设函数fx)=cosx+bsinxb为常数),则“b=0”是“fx)为偶函数”的
A.充分而不必要条件B.必要而不充分条件
C.充分必要条件D.既不充分也不必要条件
6. 若函数eqIde89511731083472d89f6a3817a2826b5的极值点为1,则eqId70a27b6ddf6b478285353abb3b1f3741=(  )
A.-2B.-1C.0D.1
7. 函数eqIda73a2241963149278c8724fbf306e176,则(  )
A.xeqId49b7b111d23b44a9990c2312dc3b7ed9f(x)的极大值点B.xeqId49b7b111d23b44a9990c2312dc3b7ed9 为f(x)的极小值点
C.x=2为f(x)的极大值点D.x=2为f(x)的极小值点
8. 函数eqIdf59026dca62c4c1dacfe3da3c26d5a83的单调递减区间为(   )
A.eqId45fa3e07ab7f4974939a0610b1b2c511B.eqId35e1067f39c843d89ab774597e7a612dC.eqId6c7fdec418764b36a1560b28d9ac73e8D.eqId530899b0618049dda104dd92d3e3b642
10. 某食品的保鲜时间eqId072d7d6b911b42bc89207e72515ebf5f(单位:小时)与储藏温度eqIda9cd3f94eb8045438f75e9daccfa7200(单位:℃)满足函数关系eqIdfa727286018d4ce5ba0dbc98df7a296aeqIdbadeeeef7bd14078a62b969ed5d8380c为自然对数的底数,eqId31b65b4c45e841d5a100ffe01f1b9e22为常数).若该食品在eqIda86879ae304449a4a6e6461c485a1f13℃的保鲜时间是eqId6a84e7f52c5248d2951a37579dd01b7f小时,在eqIdd53322016c0a4c0ea658258199778c2c℃的保鲜时间是eqId68ecc3f1e5e8400d8f9b6002896cc2de小时,则该食品在eqId942a215534084de1b7f871222a924a00℃的保鲜时间是()
A.16小时B.20小时C.24小时D.21小时
|同步
11. 已知函数eqId0f1e88571ad54ff2b24ebf41a5cb4c3d
A.eqIdc3c0cb9c659b4438aa953dc416c4cc0dB.eqIda86879ae304449a4a6e6461c485a1f13C.eqId37705e1ef6a84bbdbe88433e75932cdfD.eqIdc052ddfbd4524f67a79e0e77c2e5656a
更新:2020/10/17组卷:2735引用[18]