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1 . 已知命题
:在
中,
的充分不必要条件是
,
:
.则下列命题为真命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9def7c418e18985b64f4ebf22a9a206a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19dc38d888741a1b2e95fe0773a48c38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca51be437b1a97ca92aa1159ab71102c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d67b71e92b9dcabeffc2ffb1ee33ee.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-05-18更新
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2卷引用:河南宋基信阳实验中学2021-2022学年高三9月开学摸底考试数学(文)试题