1 . 已知
,
,
,则有
![](https://img.xkw.com/dksih/QBM/2011/3/31/1570095798566912/1570095803604992/STEM/b1bae53fa882491684a4c4e6991c7703.png)
![](https://img.xkw.com/dksih/QBM/2011/3/31/1570095798566912/1570095803604992/STEM/f68c887b32444a19b952074b29a52ed7.png)
![](https://img.xkw.com/dksih/QBM/2011/3/31/1570095798566912/1570095803604992/STEM/9fcce1333f49445aa4722dca1c59530f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 当
时,在同一坐标系中,函数
与
的图象为 ( )
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571948552134656/1571948557746176/STEM/4227ccd21b3f40568086db2b660da5e3.png?resizew=32)
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571948552134656/1571948557746176/STEM/ba88c25162314656bc63376306bd3b4d.png?resizew=47)
![](https://img.xkw.com/dksih/QBM/2015/1/5/1571948552134656/1571948557746176/STEM/96938a4622af4d5c9a537582dc613371.png?resizew=64)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2015-01-05更新
|
889次组卷
|
2卷引用:2016-2017学年河北唐山市十二中高一上期中数学试卷
2011·河北唐山·一模
3 . 设集合
,集合
,则
( )
![](https://img.xkw.com/dksih/QBM/2011/5/6/1570182930989056/1570182935502848/STEM/13c3ea961e364da1b722b3f09c727f2a.png?resizew=139)
![](https://img.xkw.com/dksih/QBM/2011/5/6/1570182930989056/1570182935502848/STEM/634bcfc8bee74e599ccdbcbb1ad70160.png?resizew=103)
![](https://img.xkw.com/dksih/QBM/2011/5/6/1570182930989056/1570182935502848/STEM/c6706db0a0ed44469590603c16315f05.png?resizew=56)
A.![]() | B.![]() | C.![]() | D.![]() |
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