题目
题型:不详难度:来源:
A 5 B 6 C 7 D 8
答案
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073532-25673.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073532-34832.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073532-36807.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073532-49647.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073532-19628.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073533-25763.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073533-35262.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073532-19628.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073533-63067.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073534-37751.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073534-76757.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073534-26195.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073534-79898.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073534-76757.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073522-62987.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073522-39104.png)
则异面直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073522-70401.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073523-64347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073523-83522.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073523-70600.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073523-42910.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073524-87968.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073524-70666.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073524-37309.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073524-18856.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073524-61912.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073525-46813.png)
如果一个几何体的三视图是完全相同的,则这个几何体是正方体;
如果一个几何体的主视图和俯视图都是矩形,则这个几何体是长方体;
如果一个几何体的三视图都是矩形,则这个几何体是长方体;
如果一个几何体的主视图和左视图都是等腰梯形,则这个几何体是圆台。
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073514-74675.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073514-69333.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073515-63194.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073515-38614.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073515-51086.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073515-96136.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073515-83300.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073516-93492.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073507-79225.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073508-79714.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073508-51339.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073508-11086.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073508-11719.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073508-42178.gif)
①求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073508-37791.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073509-46656.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073509-41569.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073509-61416.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022073509-56111.jpg)
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