题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073937-54619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073937-60879.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073937-11999.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073938-11487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073938-53736.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073938-57955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073938-18848.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073939-58748.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073939-94260.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073937-54619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073938-11487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073939-67552.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073940-16696.png)
解析
试题分析:本题首先把命题
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073940-46386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073940-86071.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073940-32833.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073941-11372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073940-46386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073939-67552.png)
试题解析:由不等式
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073941-56104.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073940-16696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073941-16955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073940-16696.png)
由
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073941-41599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073942-37821.png)
即
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073942-91762.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073942-32157.png)
令
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073942-79617.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073943-32982.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073943-74596.png)
依题意知:
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073943-59241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073943-80840.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073944-32468.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073944-30864.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073940-32833.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073941-11372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073940-46386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073944-46985.png)
核心考点
举一反三
①若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073915-47446.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073915-33280.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073915-16612.png)
②当
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073916-70765.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073916-33471.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073916-26251.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073917-44592.png)
③函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073917-64780.png)
④若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073917-68599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073917-88556.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073918-82607.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073918-96164.png)
A.0 | B.1 | C.2 | D.3 |
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073840-61534.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073840-89877.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073840-28758.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073841-60547.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073841-75906.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073840-28758.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073841-69336.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073841-99425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073842-94710.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073744-65871.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102073734-77795.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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