真题
解题方法
1 . 设函数
,若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6062d1a6ecfc72ae6689a08419982738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
A.![]() | B.![]() | C.![]() | D.1 |
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真题
2 . 已知函数为
的定义域为R,
,且当
时
,则下列结论中一定正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca4aebc14ae7a2fa0ec3cc2881be9f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b83a660527359758db64e6566466293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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真题
3 . 已知函数为
,在R上单调递增,则a取值的范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f680e201e39e5de21c988f16db8cd278.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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真题
4 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3007f0389b93c30f6f7805ff72b42270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adb13658696f8983796a7b92f016478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4211136cd13f507e9f5d33c678596e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
真题
解题方法
6 . 记水的质量为
,并且d越大,水质量越好.若S不变,且
,
,则
与
的关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33e66f722fc9360aa5a7c02c2fb9672d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85666f196aafa972359558f3e52ae99d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831d33d9f3b9dba8136cfc49c6eabbe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad23e30bddd142865091f1e70c5cc6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a7ad77eb2b1631e5af8848c42267c9.png)
A.![]() |
B.![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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真题
7 . 集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a969ba0d9a60c8b03a83f4964dde39b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a96b8a0ff6f7e61a2013c29908723f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
真题
8 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54c949020866f73e529301d98f21772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96da45526613dfe775bb0ac958de51ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5e1e33c1259195f7bb0198a3e6f65a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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真题
解题方法
9 . 若
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ba91ebf96bb39ced53dc33f73af196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba1e7a657ed134e68efd159b606620f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
真题
10 . 集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9e6ad1166c7625e63b80e75b2fb1d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ad56766b1a3f1b1fbba45ca38e9d01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次