题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090041-10977.gif)
A.
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090041-54501.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090041-95644.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090041-17557.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090041-56876.gif)
答案
解析
积最大图6(1),最大值为
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090042-98483.gif)
错误原因是对题中“容器是可以任意放置”的理解不够,其实,当水平面调整为
图6(2)△EB1C时容器的容积最大,最大容积为
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090042-21905.gif)
核心考点
试题【有一容积为1 立方单位的正方体容器ABCD-A1B1C1D1,在棱AB、BB1及对角线B1C的中点各有一小孔E、F、G,若此容器可以任意放置,则该容器可装水的最】;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/20191021/20191021090036-24168.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090036-16278.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090036-78049.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090036-69198.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090037-24317.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090037-11463.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090037-86501.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090037-95792.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090037-17866.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090029-57855.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090030-59087.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090030-57380.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090030-48933.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090030-68614.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090030-42388.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090031-73030.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090031-32364.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090031-62621.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090031-38249.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090032-63824.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090032-32641.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090032-55652.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090018-45479.gif)
直观图与三视图的侧视图、俯视图,在直观图中,
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090018-91030.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090018-84611.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090018-27573.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090018-79969.jpg)
(Ⅰ)求出该
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090018-12833.gif)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090018-52204.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090018-12833.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090018-14360.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090019-52396.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090019-11931.gif)
(Ⅲ)求证:平面
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090019-15841.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090019-84979.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090012-31199.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090004-23468.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090004-13685.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021090004-61334.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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