1 . 已知
,
,则下列不等式中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e271b6e63206285461a7552d11efd7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 已知实数
,
,且
,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de652a86ea9ca670ba7ef7220777b1b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55d4cca541040de53eefddd907a289d.png)
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3 . 已知定义在
上的函数
,满足
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae4a2b3998705e51dbade9ada0873b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf9318d4726a56ced9baeb7d4c9595a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/571fa0874ecf5b995793b7c1501328e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d88e476f6128ecc5d1e2f634eb34edab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 化简求值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/175925ff8de139467847bf3b4cba76b9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b794771c2a5e4f140965a6405f28d0ac.png)
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5 . 函数
的部分图象大致为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6018e22c39faa4092a06d7fcce43aa5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d35168ff610d493b4442904cbf2f74b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ec7c99202b44d5d65239f65f155b6f.png)
A.![]() | B.![]() | C.![]() | D.3 |
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7 . 已知实数集
,集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24377a3ddb11e43efb4f91f229ec1b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d79baa43b9e07f75010fc9acd2bb1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe156c10c39e5214f325ce8a2180858.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 函数
的零点所在的区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5211a9f3200de6c46b93bbc915b76096.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 .
(
且
)的图象恒过定点
,幂函数
过点
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4ea1b455811d3ab9e6b426eed71f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c1eba6af0a2bfe986d404c0dc9eb48.png)
A.1 | B.2 | C.3 | D.4 |
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10 . 已知
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6eec7d75a66a4407631f75320bb8b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50016272e94b3edd6a7b69a9ab45247c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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