题目
题型:单选题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002003-82099.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002004-49163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002004-47621.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002004-99797.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002004-28639.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002004-47686.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002005-29397.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002006-99975.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002006-37139.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002006-47646.png)
如果利用直接法:因为
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002006-26277.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002006-56722.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002007-99684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002007-79363.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002007-79920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002007-91622.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002007-72142.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002008-15449.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002008-60972.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002005-73711.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002005-95220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002008-15367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002005-73711.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002005-95220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002008-73022.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002005-73711.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002005-95220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002008-73479.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002005-73711.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002005-95220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002005-73711.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815002005-95220.png)
【考点定位】新定义的集合问题
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001957-93871.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001957-91040.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001957-19842.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001957-22528.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001957-62138.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001958-57874.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001950-93380.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001951-39768.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001951-34286.png)
A.3 | B.4 | C.5 | D.6 |
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001947-10917.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001947-62994.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001943-42765.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001944-13323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001944-36451.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001931-59573.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001932-46595.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001932-62649.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001932-41143.png)
A.0 | B.1 | C.2 | D.3 |
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