名校
解题方法
1 . 已知集合
,
,若
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4221186cc987a2acb2df2d07890c78d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a19ad5378a0e6a89efdaa716b58463b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 函数
的定义域是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4ec08954296409a2083e8b77f8ce90.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 设集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326d074cdaf60433b09a3bad5d904e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ede176253e9a91704b6bf318b754456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe156c10c39e5214f325ce8a2180858.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
4 . 不等式组
的解集是
,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/336e51f93bf4f283289c505da5c88dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50eb2a8da1ccdc009bb629318d440f3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019高三上·全国·专题练习
5 . 已知集合M={x|8-2x>x2},N={x|x+3≥0},则M∩N=( )
A.[-3,4) | B.(-2,4) |
C.[-3,2) | D.[-3,-2) |
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6 . 设全集为
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010e5c35e709c630be987cd9ffbbb7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb48d7bab92e392741ea3ebd8c8d2a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be133b868589771ae2d1715deab9cf8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6d3234fe33df1f27cb8c24d235f169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed03c684b51fb5a6ec7955770f70d3fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00cd4bb6ba590763d63e8602a70a0e38.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
8 . 不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ba55156138994f2779a60895d41136a.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() |
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名校
解题方法
9 . 已知集合
,
,则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d673246d582f5b4e34a40ae6057a4ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b89d2ab638e5619e6e40ec6fc6d402.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
10 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31fa2dc4e8fa9445781ff2f96c965af0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f92b21e4640d62f21ec117bdca260b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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