1 . 已知全集
,集合
,
,那么集合
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa26ede4564b80c035c146272384bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58f19e6bea9f955f655a803c9b417ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32247ede98f9ea1e873ac3e6c8bb3208.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4437ed14585a5b64036e9d4289d58b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知非空集合
,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6685a624c8db01d04c7d6cb8367b762b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 已知集合
,
,其中
是实数集,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a7d7a7a3369000970776a7599ec1e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94754e24bb119d24047e7c980340468d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac87434324956e4145e38ad92a1aa95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49efa88a03ca6702e15e1c4b7002c923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82703bf2f7a8c9522d54f74f22a76ac8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 若关于
的不等式
的解集为
或
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d03796ad94613a24f2634722dd9603b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1405599243545cfe68a311106d59816c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143159cf282c33e93c51d7617374cf4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9532480e1cc39bd207cccb9042e6aa45.png)
A.180 | B.360 | C.475 | D.495 |
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解题方法
5 . 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)
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解题方法
6 . 已知
,
,则下列叙述中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.“![]() ![]() |
D.若![]() ![]() |
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解题方法
7 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf792194705adab1f4ef35ed5943ba4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa106b4f30908ba76e2779032960b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb11378e3a66dc1f07a2601fbe50ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 回答下面两题:
(1)已知函数
,若对于任意
,都有
成立,求实数m的取值范围;
(2)解关于x的不等式
.
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0da7e7c8b074ad3b0c85736c8ec5ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/973852dec155d3b5b9a1ac6df48c04e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(2)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce83c10d4709026d397361b4ee54ba32.png)
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10 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a0b53518446147d4ceb54d1067c9b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34f479a02e673234e7d0cca683b521c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() ![]() | B.![]() | C.![]() | D.![]() ![]() |
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