题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071258-68752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071259-99283.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071259-14347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071259-99283.png)
A.“![]() ![]() |
B.“![]() ![]() |
C.“![]() ![]() |
D.“![]() ![]() ![]() |
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071300-67988.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071300-59692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071300-50667.png)
点评:若
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071300-69803.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071301-39969.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071301-33107.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071301-33107.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071301-39969.png)
核心考点
试题【若集合≤3,,≤0,,则( )A.“”是“”的充分条件但不是必要条件B.“”是“”的必要条件但不是充分条件C.“”是“”的充要条件D.“”既不是“”的充分条】;主要考察你对简单逻辑联结词等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071253-32839.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
①已知
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071247-61301.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071248-51355.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071248-58398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071248-98972.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071248-58398.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071247-61301.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071248-11077.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071248-11077.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071248-11077.png)
正确的结论的个数为( )
A.1 | B.2 | C.3 | D.4 |
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071243-48690.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071239-81303.png)
命题
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071234-64661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071234-97748.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071234-50714.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071235-59348.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071235-44598.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071235-37999.png)
(1)若命题“
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071234-64661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071235-59348.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071235-52520.png)
(2)若命题“
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071234-64661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071235-59348.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071234-64661.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071235-59348.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103071235-52520.png)
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