1 . 已知集合
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38b1b758fc3341e9982556804a41b07c.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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解题方法
2 . 已知
:实数
满足集合
,
:实数
满足集合
或
.
(1)若
,求
;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074fc6e62b76024813d70d580aba8369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/013c47a38b6516713f0863073f63146a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074a2025262fb224ccab1efd1c8c992b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 设集合,
,
,则
( )
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb97fda6a451f50538f83ef6c6e73f50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02982556df5d0d04fe83f3a1c30009b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5e1e33c1259195f7bb0198a3e6f65a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
5 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de19d960f335bbfd921d9fd4e89a41c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15888df170f488d7df96e691b3e2edba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 已知集合
,
.
(1)若
,求
;
(2)若“
”是“
”的必要条件,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a97a364fe3348933be396a0261a9e217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/973e8173f5b67e01f9cebd9d868d3c52.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe344fe369fb629b89eb956c85498ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
7 . 已知集合
,
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aab0ce652fa3cc30e7f65dbead5e9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df2e5560fce844811ef4c0a16d74a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
8 . 已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4f59a3fd052f229e79e5aefa517913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a22f8d9188279429b395c30b2898ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a8578a15f6680468088ae4b38913d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c57a95fc2ee9482b137bb61e21713c4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 设集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ff1e23b4f469909ddfd421e06e3ace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知集合
,集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c03874812c49fcc5d780a06b498f8007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b19b6204857786bbb440f06092520fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cad0a1bf9848ad76976cb8e5137e112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b44a306959b6689c0dcca228b30df168.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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