题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174459-74154.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174459-78082.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174500-41575.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174500-75676.png)
A.![]() | B.![]() | C.![]() | D.不存在 |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174501-77475.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174442-65086.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174400-48988.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174400-60585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174400-65744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174400-60585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174400-77323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174400-20381.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174401-14478.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174401-27710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174401-74462.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174355-93005.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174355-91118.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174355-68253.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174331-27428.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174331-59676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174332-37852.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174332-44843.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174332-30236.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174332-86114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174332-47631.png)
(1)若当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174333-33625.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174333-13077.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174333-35527.png)
(2)若当
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174333-33625.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174333-13077.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174333-96693.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174334-85019.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174334-88408.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174334-97521.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174334-13635.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174331-27428.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174228-34491.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017174228-79824.png)
A.0 | B.-4 | C.-2 | D.2 |
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