1 . 已知长方体
中,
,则异面直线
与
的距离是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0693170ab8b74e1d824a4f2d0c3460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e539f26ed5e0b20ff7220559324869a4.png)
A.![]() | B.1 | C.2 | D.3 |
您最近一年使用:0次
2 . 如图,在正方体
中,点
在正方体表面运动,如果
,那么这样的点
共有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/18/3f71ab7f-a3e1-4b39-a422-4dea9ec36fb4.png?resizew=212)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626061e057eeffd57f94cf6f3960c96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/18/3f71ab7f-a3e1-4b39-a422-4dea9ec36fb4.png?resizew=212)
A.2个 |
B.4个 |
C.6个 |
D.无数个 |
您最近一年使用:0次