【题文】若集合,,那么( )A.B.C.D.
【题文】若集合,,那么( )A.B.C.D.
题型:难度:来源:
答案
【答案】C
解析
【解析】
试题分析:∵
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015729-22288.png)
=
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015731-57348.png)
,
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015730-56777.png)
=
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015732-14351.png)
,∴
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015730-34546.png)
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015731-64206.png)
,故选C
考点:本题考查了集合间的关系
点评:正确求解函数值域及交集的定义是解题关键
举一反三
【题文】设集合M =
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015719-84202.png)
,N =
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015720-27419.png)
,则 ( )
【题文】设集合M =
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015704-18431.png)
,N =
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015705-20508.png)
,则 ( )
【题文】集合M={
x|
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015653-59085.png)
}, N={
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015653-70033.png)
}, 则 M
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015653-18333.png)
N = ( )
A.![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015653-72547.png) | B.{2} | C.{0} | D. {![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015654-47645.png) |
【题文】集合M={
x|
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015643-27235.png)
}, N={
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015644-71485.png)
}, 则 M
![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015644-18826.png)
N = ( )
A.![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015644-17762.png) | B.{2} | C.{0} | D. {![](http://img.shitiku.com.cn/uploads/allimg/20200323/20200323015645-96787.png) |
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