1 . 若集合
,
,
,则
,
,
之间的关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5e9c34a020fe90b14b0cd618c09f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d135c23e7f9512eb5978556e7e40ef5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cc19b3e78879c2c62cc4c71905bd819.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
A.![]() | B.![]() ![]() | C.![]() ![]() ![]() | D.![]() |
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2 . 已知集合
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbefb4190e6d31cf43ce5258ebf325c3.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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