题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032721-97214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032721-96124.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032722-52189.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032722-17345.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032722-62150.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032722-59239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032722-11875.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032723-50818.png)
A.③⑤ | B.①⑤ | C.①④ | D.②⑤ |
答案
解析
试题分析:由
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032722-17345.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032722-11875.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032723-50818.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032710-47907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032710-27999.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032711-81752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032710-47907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032711-31169.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032711-42076.png)
(1)求证:平
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032711-17939.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032712-62201.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032712-85499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032706-47431.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032707-35348.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032707-72752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032700-40851.png)
(1)设平面ABE与平面ACD的交线为直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032700-12549.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032700-12549.png)
(2)设F是BC的中点,求证:平面AFD⊥平面AFE;
(3)求几何体ABCDE的体积.
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032700-37220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032649-38775.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032649-81326.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032649-94348.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032649-42134.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032650-66091.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032650-89854.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032650-28286.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032650-19481.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032651-16624.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022032643-72411.png)
A.若![]() ![]() | B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() ![]() |
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