题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231300-82534.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231301-41001.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231301-38413.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231301-66315.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231301-66315.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231301-66043.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231302-32151.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231300-82534.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231301-41001.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231301-38413.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231253-99229.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231253-18145.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231254-71937.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231254-50185.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231254-73970.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231254-78636.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231254-71937.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231254-78636.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231254-73970.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231255-69967.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231255-83051.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231254-71937.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231255-89797.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231244-22682.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231244-96536.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231244-96536.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231245-40221.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231245-45238.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231241-78552.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231234-78226.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231234-12092.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231234-46079.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231234-67636.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231235-26026.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231235-12344.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231235-53975.png)
(1)请说明:△
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231235-71620.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231234-12092.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231236-39915.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102231236-35034.png)
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