解题方法
1 . 如图,已知三棱柱
,
平面
,
,
,
,
分别是
,
的中点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1d2e0f281222a5f289ea4008370aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a8670759c61d785b9a336885df700b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
A.![]() ![]() |
B.![]() ![]() |
C.直线![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024·全国·模拟预测
2 . 在棱长为1的正方体
中,
是线段
的中点,以下关于直线
的结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
A.与平面![]() | B.与直线![]() |
C.与直线![]() ![]() | D.与平面![]() ![]() |
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3 . 已知正方体
的棱长为2,点
是
的中点,点
满足
,
,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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee2271ff6f44f9a0bd27c3d5cd704e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb6bf23a5a12e1ba5413594d7b1a57c.png)
A.![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() | D.三棱锥![]() ![]() |
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4 . 如图,在棱长为2的正方体
中,
分别是棱
的中点,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/c99e7102-f228-4d7e-831f-8a1c456ca588.png?resizew=159)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db31b6ce9408706f77680ac8c75c2ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b318a89e8653ef62c66bae95ac1ab10.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/c99e7102-f228-4d7e-831f-8a1c456ca588.png?resizew=159)
A.![]() ![]() |
B.![]() ![]() ![]() |
C.异面直线![]() ![]() |
D.平面![]() ![]() |
您最近一年使用:0次
2024-02-20更新
|
828次组卷
|
3卷引用:广西壮族自治区2023-2024学年高二下学期3月联考数学试卷
5 . 如图,棱长为4的正方体
的内切球为球
,
、
分别是棱
和棱
的中点,
在棱
上移动,则下列结论成立的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/a2d68d03-05f8-47b2-9cc0-1293129d481e.png?resizew=160)
A.存在点![]() ![]() |
B.对于任意点![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.过直线![]() ![]() ![]() |
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6 . 如图,在直三棱柱
中,
,
,点
,
分别是线段
,
上的动点(不含端点),且
.则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/8bc10ab9-5c5c-4f16-9f00-e264562ed6ce.png?resizew=151)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ebef69fc7fca5adac9dde01b509247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fdc1a6d2a119531f3ea51a8ee2db63a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/8bc10ab9-5c5c-4f16-9f00-e264562ed6ce.png?resizew=151)
A.![]() ![]() | B.点![]() ![]() |
C.异面直线![]() ![]() ![]() | D.直线![]() ![]() ![]() |
您最近一年使用:0次
解题方法
7 . 已知一个正八面体
如图所示,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9084254bdb595702cbdeac7d5d535099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/10/b5786c34-2add-4be8-a06b-e9569f8af437.png?resizew=139)
A.![]() ![]() | B.点![]() ![]() |
C.异面直线![]() ![]() ![]() | D.四棱锥![]() ![]() |
您最近一年使用:0次
2023-09-07更新
|
240次组卷
|
3卷引用:广西贵港市名校2023-2024学年高二上学期入学联考数学试题
名校
解题方法
8 . 如图,在三棱柱
中,已知点
,
分别在
,
上,且
经过
的重心,点
,
分别是
,
的中点,且平面
平面
,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5fbcbe05a37c45bc4342858b969959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66536b6d4dd18013c97f385c3224416.png)
A.![]() | B.![]() ![]() |
C.![]() | D.平面![]() ![]() |
您最近一年使用:0次
2023-09-05更新
|
863次组卷
|
6卷引用:广西南宁市第三十六中学2023-2024学年高二上学期9月月考数学试题
广西南宁市第三十六中学2023-2024学年高二上学期9月月考数学试题(已下线)第一章 点线面位置关系 专题一 空间平行关系的判定与证明 微点2 空间平行关系的判定与证明综合训练【培优版】8.5.3平面与平面平行练习(已下线)第八章 立体几何初步(基础卷)-重难点突破及混淆易错规避(人教A版2019必修第二册)(已下线)11.3.3平面与平面平行-同步精品课堂(人教B版2019必修第四册)(已下线)8.5.3 平面与平面平行-同步精品课堂(人教A版2019必修第二册)
9 . 如图,在四棱锥
中,底面
为长方形,
,
,侧面
是正三角形,侧面
底面
,
是
的中点,
是
上的一个动点,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2023/6/28/3269535659376640/3289157539045376/STEM/e76378f618864f639b2b0a27f3c005eb.png?resizew=261)
![](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/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.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/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/2023/6/28/3269535659376640/3289157539045376/STEM/e76378f618864f639b2b0a27f3c005eb.png?resizew=261)
A.![]() |
B.![]() ![]() ![]() |
C.二面角![]() ![]() |
D.当点![]() ![]() ![]() ![]() |
您最近一年使用:0次
10 . 如图,正方体
的棱长为
分别为
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd21f1df5df752343fd02502854eacb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473ce0e22c4edc6ef768e0c12f59e483.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/17/6568ad7f-8893-402c-bc06-f97082ea739d.png?resizew=151)
A.点![]() ![]() ![]() |
B.直线![]() ![]() ![]() |
C.二面角![]() ![]() |
D.平面![]() ![]() |
您最近一年使用:0次
2023-07-26更新
|
880次组卷
|
4卷引用:广西壮族自治区玉林市2022-2023学年高一下学期期末教学质量监测数学试题