题目
题型:单选题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000121-63800.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
核心考点
举一反三
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000116-28877.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000116-89571.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000117-34320.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000117-97215.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000117-31959.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000117-44687.png)
(2)(5-2
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000117-97680.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000118-31716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000118-12844.png)
(3)(1+
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000118-31716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000118-12844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000118-31716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000118-12844.png)
(4)(
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000118-98730.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000118-84412.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000118-56801.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000119-68603.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000114-20149.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000114-40051.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000114-90457.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000110-12774.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000110-41866.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000111-61030.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000110-12774.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000110-41866.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000111-61030.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000111-98610.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000111-68241.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000109-36031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000109-19354.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000104-18278.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821000105-75930.png)
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