题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015331-57708.png)
①平面
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015331-74997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015331-74997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015331-74997.png)
答案
解析
试题分析:易证
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015332-45431.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015332-42867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015331-74997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015332-63821.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015332-30812.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015333-96283.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015333-47481.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015332-42867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015333-29668.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015332-42867.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015325-64670.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015325-70601.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015325-84112.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015325-30137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015325-72572.png)
①
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015326-20205.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015326-16180.png)
③
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015326-36086.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015326-97665.png)
A.②④ | B.②③④ | C.①③ | D.①②③ |
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015317-58782.png)
A.若![]() ![]() ![]() ![]() | B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() | D.若![]() ![]() ![]() ![]() |
A.若α⊥β,m⊂α,n⊂β,则m⊥n |
B.若α∥β,m⊂α,n⊂β,则m∥n |
C.若m⊥n,m⊂α,n⊂β,则α⊥β |
D.若m⊥α,m∥n,n∥β,则α⊥β |
A.0 |
B.1 |
C.2 |
D.3 |
A.若l//α,l//β,则α//β |
B.若l//α,l⊥β,则α⊥β |
C.若α⊥β,l⊥α,则l⊥β |
D.若α⊥β,l//α,则l⊥β |
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