题目
题型:单选题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002426-66179.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002426-74758.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002426-65327.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002426-46874.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002427-76880.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002428-68797.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002423-10472.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002423-16143.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002421-25452.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002421-90646.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002421-47705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002421-30952.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002422-89511.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002421-47705.png)
(2) 若
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002422-10260.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002421-47705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002420-43151.png)
A.2个 | B.3个 | C.4个 | D.5个 |
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002417-54692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002417-78197.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002417-54692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002417-19096.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002417-78197.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002418-90674.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002418-23622.png)
(1)集合
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002414-26336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002414-28592.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002414-77617.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002414-26336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002415-93273.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002414-26336.png)
(3)若
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002415-35879.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002415-99166.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002415-12224.png)
(4)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002415-78884.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002416-57144.png)
其中正确命题的个数为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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