题目
题型:单选题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165757-97403.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165757-48293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165757-42491.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165757-34061.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165758-22149.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165758-98746.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165758-54968.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165758-94951.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165758-98746.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165759-44629.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165759-84366.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165759-40137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165759-77672.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165759-90443.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165759-40137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165800-25996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165758-98746.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165800-78048.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165800-43981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165800-13860.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165800-68642.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165801-61781.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165758-98746.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165758-94951.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165801-70731.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165801-77088.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165758-94951.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165801-17342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165802-86366.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165802-85517.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165802-64562.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165802-45082.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165754-68207.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165743-56420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165744-53677.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165744-91403.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165744-56564.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165744-91403.png)
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165744-56564.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165744-40177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165745-52817.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165741-75011.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165741-58636.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165741-43971.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165741-55384.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165739-73505.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190817/20190817165735-61817.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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