2012·陕西·二模
1 . 若集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9f88e53ebb489f9c2871317a850e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a37cda528d0612121c5f11752f0b3b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3dc0d1271039dcba6c5a8f2ee1233a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9f88e53ebb489f9c2871317a850e8d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5卷引用:【全国市级联考】广西岑溪市2017-2018学年高二下学期期末考试数学(理)试题
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2 . 已知集合
,
且
,那么m的最大值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bd0b6ef60620bb00af65af7a1c0a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf4fa7e4beb37091d4a4bc9dd99bdf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de618aa483d8cb4af28cf47c5c6d1e42.png)
A.1 | B.2 | C.3 | D.4 |
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3 . 已知全集
,
,那么
的子集个数有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c58d03e36ad4f25afc6de2f28b15a108.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a6b214d0fa5145b1ee6a58541578cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc03a7d1eb7b09d89be1e753ede98c58.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572382119870464/1572382125834240/STEM/fe657ab5a92649ce9d6f46a6c9c05ba4.png?resizew=2)
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4 . 若
,
,则
的元素个数为
![](https://img.xkw.com/dksih/QBM/2013/7/16/1571282584625152/1571282589868032/STEM/7931eae6328c4c4d8541b5ee4e6a13ea.png)
![](https://img.xkw.com/dksih/QBM/2013/7/16/1571282584625152/1571282589868032/STEM/ce3f9c7fe5434e978a25074a519f6328.png)
![](https://img.xkw.com/dksih/QBM/2013/7/16/1571282584625152/1571282589868032/STEM/984c1e028022465ab3815436476a983b.png)
A.0![]() | B.1![]() | C.2 | D.3 |
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