名校
解题方法
1 . 已知直四棱柱
,
,底面
是边长为1的菱形,且
,点E,F,G分别为
,
,
的中点,点H是线段
上的动点(含端点).以
为球心作半径为R的球,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db57eca2a7cbd91bc57372592580a76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eee296a7d9fba487f1485c61580196f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
A.直线![]() ![]() ![]() |
B.存在点H,使得![]() ![]() |
C.当![]() ![]() |
D.在直四棱柱内,球![]() ![]() ![]() |
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名校
2 . 如图所示,四面体
的各棱长均为
分别为棱
的中点,
为棱
上异于顶点的点,则以下结论正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2612d8c87010adfe87728a591b63e3a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
A.![]() |
B.直线![]() ![]() ![]() |
C.四面体![]() ![]() |
D.平面![]() |
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名校
3 . 如图,正方体
的棱长为3,点E、F,G分别在棱
,
,
上,满足
,
,记平面
与平面
的交线为l,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94ce22f30a8de2af135de3c89403aff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbafedc202bd0d86c4dfdece9f8f4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a696a182fff038a86b2bbe8ca099442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd966daca9f4c09e7e6c0d973c6558d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e19c660ddaf5b1acd5bef3fa936793d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb04914c4e8fb3483da44c67fe1809f.png)
A.![]() ![]() ![]() |
B.平面![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
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名校
解题方法
4 . 如图,在正四棱柱
中,
是棱
的中点,
为线段
上的点(异于端点),且
,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/13317f02fcbe5f172a772745cc5ded8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e577c748b403acfa435b280243a4710d.png)
A.![]() ![]() |
B.![]() |
C.点![]() ![]() ![]() |
D.二面角![]() ![]() |
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2024-06-11更新
|
554次组卷
|
3卷引用:河北省承德市部分示范性高中2024届高三下学期二模数学试题
名校
解题方法
5 . 如图,在直三棱柱
中,
,
分别为棱
上的动点,且
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00d157676c47a9b8f102adb3734fee05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfb9c088a7422e95f747701a626513d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b1ba2e2dbab8c7bec0dad6b63fcc5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1055cc6113535d708228f1de3307d2f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de70098ff89ac12b26af3778683d7a25.png)
A.存在![]() ![]() |
B.存在![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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2024-06-08更新
|
821次组卷
|
5卷引用:山东省烟台市2024年高考适应性练习(二模)数学试题
名校
解题方法
6 . 布达佩斯的伊帕姆维泽蒂博物馆收藏的达·芬奇方砖是在正六边形上画了具有视觉效果的正方体图案(如图1)把三片这样的达·芬奇方砖拼成图2的组合,这个组合再转换成图3所示的几何体.若图3中每个正方体的棱长为1,则( )
A.![]() |
B.若![]() ![]() ![]() |
C.点![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
2024-06-08更新
|
409次组卷
|
3卷引用:江西省鹰潭市2024届高三第二次模拟考试数学试卷
名校
解题方法
7 . 已知正方体
的棱长为
为底面
对角线的交点,
是侧面
内的动点(包括边界),如图所示,若
始终成立,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/0342946a0f827001a879cad686d1cf68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f25f0af4c0d562bcffd9804e9e09b00.png)
A.点![]() ![]() |
B.动点![]() ![]() ![]() |
C.向量![]() ![]() ![]() |
D.三棱锥![]() ![]() |
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8 . 在三棱锥
中,
平面
,点
是三角形
内的动点(含边界),
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5426e53bde470d216e49b0b6880cb548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
A.![]() ![]() ![]() |
B.三棱锥![]() |
C.![]() ![]() |
D.异面直线![]() ![]() ![]() |
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2024·全国·模拟预测
9 . 在正三棱锥
中,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90a58cd674637680d12e554b5af02cfe.png)
A.异面直线![]() ![]() ![]() |
B.直线![]() ![]() ![]() |
C.二面角![]() ![]() |
D.三棱锥![]() ![]() |
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名校
解题方法
10 . 正方体
的棱长为
,
是正方体表面及其内部一点,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() |
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