1 . 下列关于命题的说法中正确的是( )
对于命题P:
,使得
,则
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1c77d129b56255baf3d76eb2a6c2ff.png)
“
”是“
”的充分不必要条件
命题“若
,则
”的逆否命题是:“若
,则
”④若
为假命题,则
、
均为假命题
对于命题P:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264dab145ceba44696a6ee63b1e1549d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c003f74ec23aa5d6f850dfa10eef4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1c77d129b56255baf3d76eb2a6c2ff.png)
“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fdf7d28b97fb6fe731703f80e122ed.png)
命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fdf7d28b97fb6fe731703f80e122ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a8a2a94168af9b16ce89271a5d8dc6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A. | B.④ | C.④ | D. |
您最近一年使用:0次
2011·江西九江·一模
名校
2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e730087261e386cec8f9ce25dbe0b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e730087261e386cec8f9ce25dbe0b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58150d3462b14e641c04505a144ef0b9.png)
您最近一年使用:0次
2016-12-11更新
|
605次组卷
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10卷引用:西藏日喀则区第一高级中学2017届高三下学期期中考试数学(理)试题
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