名校
1 . 如图,在正方体
中,M, N分别为棱
的中点,以下四个结论:①直线DM与
是相交直线;②直线AM与NB是平行直线;③直线BN与
是异面直线;④直线AM与
是异面直线.其中正确的个数为
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/f9a00e99-2dbf-404d-8f65-aa95b244c1f3.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b3da308c73188350fb0f836952beea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b99738c0ba6ad5af08c609bd57fbc015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/f9a00e99-2dbf-404d-8f65-aa95b244c1f3.png?resizew=157)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2019-09-07更新
|
1397次组卷
|
6卷引用:贵州省铜仁市第一中学2019-2020学年高二上学期入学考试数学试题(理)
解题方法
2 . 在正方体
中,
、
分别是棱
、
中点,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/24/2745a82c-aa86-4f5a-9ebd-20be30864a1c.png?resizew=154)
A.![]() |
B.![]() ![]() |
C.![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
名校
3 . 如图是一正方体的表面展开图,
和
是两条面对角线,则在正方体中,直线
与直线
的位置关系为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/5b08daee-946b-4f5f-aa75-b7460e75f98d.png?resizew=185)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/5b08daee-946b-4f5f-aa75-b7460e75f98d.png?resizew=185)
A.相交 | B.平行 | C.异面 | D.重合 |
您最近一年使用:0次