1 . 正方体
的棱长为1,
,
,
分别为
,
,
的中点.则( )
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.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.直线![]() ![]() |
C.平面![]() ![]() | D.点![]() ![]() ![]() |
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2024-06-14更新
|
712次组卷
|
2卷引用:山东省淄博第六中学2023-2024学年高一下学期期中考试数学试题
名校
解题方法
2 . 如图,在棱长为1的正方体
中,点
在线段
运动,点
在线段
运动,则( )
![](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/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
A.对任意的点![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.若线段![]() ![]() ![]() ![]() |
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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,
分别为所在棱的中点,
,三棱柱
挖去两个三棱锥
后所得的几何体记为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d61ca8e664467e1459f38392330f141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34fede59cd1e8b8a467fac144321efd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb925cff795441d21af6ee9d65752b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
A.EG与![]() | B.![]() |
C.![]() | D.平面![]() |
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5 . 如图,在正方体
中,
分别是线段
、BD上的点.给出下列两个说法:①存在点
,对任意点
,均有
;②若
,则直线
与
恒为异面直线,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.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/4d961cdda10c3f76c8f52ff1aa10aa45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7b64a0de3cbdfe5d348041d27e1179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
A.①、②都正确 | B.①、②都错误 | C.①正确,②错误 | D.①错误,②正确 |
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2024高三·全国·专题练习
6 . 圆
的直径为
圆面,且
上有一点
,求
与
间的最大距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6988e76a10c93f9226feb03d6318e9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6602b8730028df1255a2d589f600c80b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
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7 . 如图,在棱长为1的正方体
中,
分别是
的中点,
为线段
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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df7fc746f8c4801d8f2f0471ba3297e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
A.存在点![]() ![]() ![]() |
B.存在点![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.过![]() ![]() |
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2024-03-06更新
|
735次组卷
|
2卷引用:河北省2023-2024学年高三下学期省级联测考试(3月)数学试题
名校
解题方法
8 . 如图,在棱长为1的正方体
中,M,N分别是
,
的中点,
为线段
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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
A.![]() |
B.存在点![]() ![]() |
C.直线![]() ![]() ![]() |
D.过M,N,P三点的平面截正方体所得截面面积的最大值为![]() |
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2024-03-03更新
|
1420次组卷
|
4卷引用:吉林省部分学校2024届高三下学期高考模拟(三)数学试题
9 . 如图所示为正八面体的展开图,该几何体的8个表面都是边长为1的等边三角形,在该几何体中,P为直线DE上的动点,则P到直线AB距离的最小值为( )
![](https://img.xkw.com/dksih/QBM/2024/2/1/3423553538367488/3434938888060928/STEM/787dfca9862e4b8f8d36be72aa932b0c.png?resizew=141)
![](https://img.xkw.com/dksih/QBM/2024/2/1/3423553538367488/3434938888060928/STEM/787dfca9862e4b8f8d36be72aa932b0c.png?resizew=141)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024·全国·模拟预测
名校
解题方法
10 . 斜圆锥顾名思义是轴线与底面不垂直的类似圆锥的锥体.如图,斜圆锥
的底面是半径为2的圆,
为直径,
是圆周上一点,且满足
.斜圆锥的顶点
满足
与底面垂直,
是
中点,
是线段
上任意一点.下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/29/886952aa-bcf8-43c8-9654-4cb1914fcc2d.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e892cca87a17f46a5cacf0885bbc1234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd64dcc3d5761347aa14b2dab7a94d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/29/886952aa-bcf8-43c8-9654-4cb1914fcc2d.png?resizew=157)
A.存在点![]() ![]() |
B.在劣弧![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.三棱锥![]() ![]() |
您最近一年使用:0次