1 . 已知正方体
的棱长为6,点
分别是棱
的中点,
是棱
上的动点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c4f409aa1d8abb7fe8d781c3951de02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.直线![]() ![]() ![]() |
B.直线![]() ![]() ![]() |
C.平面![]() ![]() |
D.![]() ![]() ![]() |
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2023-05-06更新
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835次组卷
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5卷引用:湖南省益阳市安化县2022-2023学年高一下学期期末数学试题