题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004851-51093.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004851-36539.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004851-42026.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充分必要条件 | D.既不充分又不必要条件 |
答案
解析
试题分析:若
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004851-11136.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004851-98008.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004852-12628.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004852-52835.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004852-37960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004852-59576.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004852-16471.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004852-16767.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004852-37233.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004852-45357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004853-36094.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004851-11136.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004852-37233.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004848-62171.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004848-18806.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004848-73026.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004843-45721.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004843-83673.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004843-11926.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004843-66398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004844-88357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004844-52444.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004844-80763.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004843-83673.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004844-31492.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004844-39393.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004844-59463.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004844-40446.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004844-52574.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004844-83738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004839-91560.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004839-19792.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004839-60441.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004839-15126.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004839-91560.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004839-60441.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004840-19969.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004837-35248.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004830-93597.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103004830-64876.png)
A.充分不必要条件 | B.充要条件 |
C.必要不充分条件 | D.既不充分又不必要条件 |
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