名校
解题方法
1 . 如图,正方体
的棱长为1,动点
在线段
上,
分别是
的中点,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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56afb8c84a2105d525b84b6862a5426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7835c72d14f9d61b95b15aa47fafac2.png)
A.![]() | B.当![]() ![]() ![]() |
C.三棱锥![]() | D.直线![]() ![]() ![]() |
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名校
解题方法
2 . 已知正方体
的棱长为1,空间中一动点
满足
,
分别为
的中点,则下列选项正确的是( )
![](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/b963c0c29bcb13c2dc93ae9abf53a841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a5f302c1c2f7e1b46cad05594ed672e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92178a5c6a76586292f622da298a8db.png)
A.存在点![]() ![]() ![]() |
B.设![]() ![]() ![]() ![]() |
C.若![]() ![]() |
D.三棱锥![]() ![]() |
您最近一年使用:0次
2024-06-08更新
|
323次组卷
|
2卷引用:重庆市西南大学附属中学2024届高考全真模拟数学试题
名校
解题方法
3 . 正方体
的棱长为2,M,N分别为线段
上的动点(包含端点),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef26ee3293fc3be4e39cbb4f1e9517e.png)
A.直线MN与![]() | B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() | D.|MN|的取值范围为![]() |
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4 . 如图,在直三棱柱
中,若
分别是
的中点,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/eee0f3ea-0ce2-4e50-9f85-ba5e84ab520f.png?resizew=148)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0342887d5f0f733ba51830b486e96fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f3327964cfd3ad40d603b0ba7f6973.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/eee0f3ea-0ce2-4e50-9f85-ba5e84ab520f.png?resizew=148)
A.![]() ![]() |
B.![]() ![]() |
C.点![]() ![]() ![]() |
D.三棱锥![]() ![]() |
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名校
5 . 已知正四棱柱
的底面边长为1,
,点
在底面
内运动(含边界),点
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da957f6ccc274634a6daa90599449ed3.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
6 . 如图,在正方体
中,
,点
在正方体内部及表面上运动,下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/c95a977b-c7bb-4d9c-b84a-bac4448a2d43.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/c95a977b-c7bb-4d9c-b84a-bac4448a2d43.png?resizew=158)
A.若![]() ![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
7 . 如图,已知圆锥的轴截面
为正三角形,底面圆O的直径为2.E为线段
的中点,C是圆O上异于A,B的一点,D为弦
的中点,则( )
![](https://img.xkw.com/dksih/QBM/2023/12/22/3394794591305728/3394954800758784/STEM/93780aae35f041ebaad7286af97558f4.png?resizew=160)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/2023/12/22/3394794591305728/3394954800758784/STEM/93780aae35f041ebaad7286af97558f4.png?resizew=160)
A.![]() ![]() | B.平面![]() ![]() |
C.线段![]() ![]() | D.三棱锥![]() ![]() |
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8 . 如图,在四棱锥
中,底面
是边长为1的正方形,
底面
,
,点
是棱
上一点(不包括端点),
是平面
内一点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71826134c3080aa75becc655a9089855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/3/34c9e7b8-7829-4052-bfbe-f1edbc3faac3.png?resizew=170)
A.存在点![]() ![]() ![]() |
B.任意点![]() ![]() ![]() |
C.![]() ![]() |
D.以![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
9 . 如图,在棱长为2的正方体
中,点P满足
,
,E,F分别为
,
的中点,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/9545017eee79a71befee621b52c8cae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc5c0f91783c8615bb3c8686a51b093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/2/f8da6de2-ea1b-4a0d-b806-728d861ee9fa.png?resizew=151)
A.当![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
2023-09-01更新
|
280次组卷
|
2卷引用:重庆市两江育才中学2023-2024学年高二上学期第一学月质量监测数学试题
10 . 如图,三棱柱
,点
,
分别在线段
,
上,点
,
,
所确定的平面将三棱锥截成两部分的体积分别为
和
,下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4764374bd2fb78e59cd0b283637baeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a9a45964b36fcf76f7e9996097efd2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/19/6e4b5fc5-ec03-4461-9373-93571d542620.png?resizew=130)
A.若![]() ![]() ![]() ![]() |
B.不存在![]() ![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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