题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204230-34973.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204230-14672.png)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204225-42738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204226-42099.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204226-37114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204226-13980.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204218-72465.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204219-99116.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204211-51595.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204211-65038.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204211-65063.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204204-38695.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204204-18950.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204204-18541.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204204-26166.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204205-42214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204205-49279.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204205-18934.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204151-22268.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204151-88324.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204151-66944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204152-60952.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204152-85956.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204152-29089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204152-69924.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204151-88324.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204152-35033.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204152-24619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204153-99963.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204153-11830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204153-99980.png)
(Ⅰ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204153-19320.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204153-32749.png)
(Ⅱ)求点
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204153-90310.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204153-68445.png)
(Ⅲ)求平面
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204153-32749.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204154-79610.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204154-54658.jpg)
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