名校
1 . 如图所示,在棱长为2的正方体
中,E,F,G分别为
,
,
的中点,则有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
A.直线![]() ![]() |
B.异面直线![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.平面![]() ![]() |
您最近一年使用:0次
名校
解题方法
2 . 如图,正四棱锥
每一个侧面都是边长为4的正三角形,若点M在四边形ABCD内(包含边界)运动,N为PD的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
A.当M为AD的中点时,异面直线MN与PC所成角为![]() |
B.当![]() ![]() |
C.当![]() ![]() |
D.存在一个体积为![]() ![]() |
您最近一年使用:0次
2024-04-10更新
|
637次组卷
|
2卷引用:2024届贵州省贵阳市高三下学期适应性考试数学试题
名校
3 . 如图,正方体
的棱长为1,
是线,段
上的动点,则下列结论正确的是( )
![](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/0d8772aa893a9c1d40f714cb25701701.png)
A.四面体![]() |
B.![]() ![]() |
C.![]() ![]() |
D.当直线![]() ![]() ![]() ![]() |
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4 . 在棱长为1的正方体
中,
为平面
上一动点,下列说法正确的有( )
![](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/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
A.若点![]() ![]() ![]() ![]() |
B.存在无数多个点![]() ![]() ![]() |
C.将![]() ![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
5 . 已知正方体
的棱长为1,点
,
分别为线段
,
的中点,点
满足
,点
为棱
(包含端点)上的动点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cabaaf14632607539386bf88fcab134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
A.平面![]() |
B.二面角![]() ![]() |
C.存在![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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