题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010306-24799.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010306-53447.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010306-61676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010306-35619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010306-56533.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010306-10625.png)
解析
试题分析:解法一:
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010306-99785.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010307-79351.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010307-11271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010307-93814.png)
∵
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010306-61676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010306-35619.png)
∴B
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010307-81283.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010307-45926.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010307-41532.png)
即m的取值范围是{m|m≥9}. 12分
解法二:∵
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010307-82997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010307-82997.png)
∴p是q的充分不必要条件. 2分
而
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010307-19796.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010308-85519.png)
∴P
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010307-81283.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010308-38141.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010306-56533.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010306-10625.png)
点评:
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010308-22345.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010308-27288.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010308-94978.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010308-94978.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010308-27288.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010303-45099.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010303-80254.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010303-69454.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010303-48400.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010303-55443.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010303-80254.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010303-48400.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010303-49402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010259-17640.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010259-23741.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010259-95556.png)
A.![]() ![]() | B.![]() ![]() |
C.-6或![]() | D.![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010252-40165.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010252-48456.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010253-38587.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010253-44142.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010253-71484.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010253-38587.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010245-84917.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010245-21777.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103010245-26616.png)
A.必要不充分条件 | B.充分不必要条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
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