题目
题型:单选题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085945-46916.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085946-68630.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085946-98910.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085946-60523.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085946-59083.jpg)
A.![]() | B.![]() |
C.![]() | D.![]() |
答案
解析
试题分析:易知阴影部分的元素既在A中,也在B中,所以为A与B的交集,即为
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085947-36696.png)
点评:本题根据图形中阴影部分,让我们找出它所表示的集合,着重考查了Venn图表达集合的关系及运算,考查了数形结合的思想,属于基础题.
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085943-51422.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085944-38053.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085944-33164.png)
A.{1,2,3,4,6} | B.{1,2,3,4,5} | C.{1,2,5} | D.{1,2} |
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085938-84722.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085938-97584.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085938-79264.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085938-41662.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085939-47228.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085934-54505.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085934-53529.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085934-91474.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085935-44568.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085935-15175.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817085935-44568.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
A.{1,2,3,4,6} | B.{1,2,3,4,5} | C.{1,2,5} | D.{1,2} |
A.![]() | B.![]() | C.![]() | D.![]() |