1 . 在下列选项中,能正确表示集合
和
的关系的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1353e28efb2a55af5e095913aba9f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829feb22ea47a98c7773b1907f00b1c4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109fea550364bb2aabef823b83ccb37c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee26edb3f515529e629f0296ec78025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c61ee150e0528b4402258dde1802be6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f5ea27f1457f54c8a89b66fd4a8589.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
,
,
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68f1205a3d4a24810d0fe9c913583a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76e9af6e45d843d4e5f8c8d564105d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5245385fe5ec570e6fcfcdfb9e922a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bb39f6aa5763c7252e411f8cf31a2a.png)
,则满足
的集合C的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bb39f6aa5763c7252e411f8cf31a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52dc4ec42a9b7b8c51dcc091d87fd58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd089af2b898c37371cee5ebbc07be7d.png)
A.2 | B.3 | C.4 | D.5 |
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名校
5 . 已知实数
满足:
,则下列不等式中可能成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc2d2b344f9cf9bb1b8704ca1066011.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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真题
解题方法
6 . 已知
,
,且
是奇函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8066c2d6115e3ede16f0bfa2f42f4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
7 . 已知函数
,
,若关于x的方程
有三个不同实数根,则实数t的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff003550d99ab3862156a75df7f18521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/601089d902cdde95507fb4db1af1823d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5388b496b66261c9f8fbc9e741ea73e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 定义
表示不超过
的最大整数.例如:
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f161c2a3717f1b6c62d0d7dae0b606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/723bbeaf377a92b5ad24e480bfb69a5b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 已知
,
,
,则
,
,
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d28cf713695734084adadb0cf0cc40af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b529da6d1615e3f06eac5abfc75713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a7511d359026d8d6b15fd5e9ea2d69b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 设全集
,集合
,
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12640107db74f9009c08c3d0e995c82c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86d6ee9d13d86f007835757c5931a8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd4c2b4493bcee09529fde30d0109c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d15885fc8b216207aa057456f15f97.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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