题目
题型:单选题难度:一般来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110637-69527.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
本题主要考查的是集合的运算。由条件可知
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110638-49371.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110638-83927.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110630-89280.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110630-15039.png)
A.{(1,1),(-1,1)} | B.{1} | C.[0,1] | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110628-79866.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110628-13260.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110628-47290.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110625-98197.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110625-58176.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110625-35859.png)
A.6 | B.7 | C.8 | D.10 |
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110621-20444.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110621-95411.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110622-46910.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110617-91484.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110617-90402.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817110617-25606.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
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