1 . 已知集合
,
,
,则
. ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c72c83af2c26d8b6217e44ac7ac7dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d6d8039967af15e7c5c7ff05b04ac0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8718fa54ae6ca819d2b097c12870b33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
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解题方法
2 . 已知全集
,集合
,
,则
. ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07ff52d97910b1ba0dda2e67bc5f7625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48bfdfd1a175a860a18587e4c21e04da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02a93031e4fafab7d1e77a04f5f45d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be417400619e7d206dfe01b93b152a02.png)
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3 . “
”是“
”的必要不充分条件. ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c97e1082c4cead21fdbf6fdda10c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cc033406da2cdd342308972c6701f1.png)
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4 . “周涛的所有好朋友”能构成集合. ( )
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5 . 若集合
,则
. ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d38cafc87b3fcd2bd607252d87edfe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf752ccb909d210e2a97c11880519c03.png)
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6 . 若集合
,则
. ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6356c687fbc4bd0e2341135cd4a11d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cac52573934f9b3a1bfe28bf68cf97e0.png)
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7 . 设集合
,
,则
. ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65609aeddfedf114cf6889b9c0a36d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff583135251bcd8f405c6cec198f6243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25029c10c11e7ef0bc6bea67ba524a13.png)
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8 . 在
中,“
”是“
”的充要条件. ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf0b9b24c44f56961262b7ed05b5f0cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
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9 . 设集合
,
,则“
”是“
”的必要不充分条件. ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/043f3f5b5238b377373c4ab58be2fec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe123448fb2e5be04204cd98f64097e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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10 . 集合
和
表示同一个集合. ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fdc27cb2a8deea1c563a2fe4249100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06099c9355415ee4e03376590958682b.png)
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