题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204626-11163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204626-83234.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204626-90896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204626-69459.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204626-90896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204627-36616.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204627-92442.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204627-39080.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204627-98594.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204628-28042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204626-90896.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204629-86626.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204629-61231.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204629-74895.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204629-88577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204630-25709.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204629-74895.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204630-47006.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204629-74895.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204630-83658.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204628-28042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204626-90896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204630-49990.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204630-32094.png)
在
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204631-27421.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204627-92442.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204631-16896.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204631-54900.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204631-51773.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204632-77472.png)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204632-38074.png)
此题考查空间中线面平行判定及线面所成角求解,难度适中,学生在作图及论证求解方面得到锻炼.
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204611-31084.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204611-56719.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204611-37545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204611-11668.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204612-72257.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204612-13448.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204612-81396.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204601-89550.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204601-37610.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204601-33182.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204601-61131.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204602-98243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204550-13889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204550-18301.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204551-44109.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204551-41004.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204551-22281.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204551-25447.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204552-39220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204545-58491.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204545-32285.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204546-99645.gif)
A.2![]() | B.3![]() | C.6 | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204541-56149.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022204542-21567.gif)
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