题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072804-13662.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072804-46135.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072804-55510.png)
①水的部分始终呈棱柱状;
②水面四边形
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072805-99029.png)
③棱
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072805-69255.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072805-99029.png)
④当
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072805-91347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072805-77568.png)
其中所有正确的命题的序号是 ( )
A.①②③ | B.①③ | C.②④ | D.①③④ |
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072806-46323.png)
答案
解析
试题分析:由棱柱的定义可知①正确;虽然水面四边形
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072805-99029.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072806-78095.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072806-50414.png)
核心考点
试题【如图,在透明塑料制成的长方体容器内灌进一些水,将容器底面一边固定于地面上,再将容器倾斜,随着倾斜度的不同,有下列四个说法:①水的部分始终呈棱柱状;②水面四边形的】;主要考察你对空间几何体的视图与直观图等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072755-82700.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072755-39592.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072756-39959.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072756-51314.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072756-62605.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072756-80791.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072756-13453.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072758-40856.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072750-17926.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072750-48810.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072750-20685.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072751-45066.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072750-17926.png)
A.AB边所在的直线上 | B.BC边所在的直线上 |
C.AC边所在的直线上 | D.△![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072747-97680.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072743-83552.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072736-86748.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072736-72846.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072736-16807.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072736-90726.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072737-81247.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072737-93818.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072737-37942.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072737-35255.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072737-52868.png)
(Ⅰ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072738-98594.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072738-21652.png)
(Ⅱ)求证:平面
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072738-59875.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072738-21652.png)
(III)若
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072738-55290.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072739-37137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021072739-79860.png)
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