名校
解题方法
1 . 如图,正方体
的棱长为2,正方形
的中心为
,棱
的中点分别为
,则下列选项中不正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/fa335da0-a230-4b3d-9f04-48008eeac06c.png?resizew=164)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cab95678b6f65bc7d15f8f609352c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/fa335da0-a230-4b3d-9f04-48008eeac06c.png?resizew=164)
A.![]() |
B.![]() |
C.点![]() ![]() ![]() |
D.异面直线![]() ![]() ![]() |
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2 . 下列命题正确的是( )
A.若直线![]() ![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若空间向量![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.若向量![]() ![]() ![]() ![]() |
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2023-12-27更新
|
884次组卷
|
2卷引用:辽宁省大连市第十二中学2023-2024学年高二上学期12月学情反馈数学试题
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3 . 如图,二面角
等于
,
、
是棱
上两点,
、
分别在半平面
、
内,
,
,且
,
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/18/3a75a76a-e5c1-4e5e-a3f3-ef668ae6188d.png?resizew=163)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a12c461765806bbfb872e7e8aa410c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c638fb895acd987140d0ca6bef097499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb0a2d7d40a6c0bf1fddb802db381689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9ad150cb1e4cd8977d4cc3d99be17c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/18/3a75a76a-e5c1-4e5e-a3f3-ef668ae6188d.png?resizew=163)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-16更新
|
699次组卷
|
4卷引用:辽宁省沈阳市第十五中学2023-2024学年高二上学期12月月考数学试题
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4 . 如图,在四棱锥
中,
底面
,四边形
是边长为1的菱形,且
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/a6ad4d86-9a82-4a60-9d74-6f990c238681.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e8c61ab92cd44aa9c6d87aa103a2e1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/a6ad4d86-9a82-4a60-9d74-6f990c238681.png?resizew=162)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 如图,二面角的度数为
,其棱上有两点
、
,线段
、
分别在这个二面角的两个面内,并且都垂直于棱
,若
,
,则线段
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0a722495dba6c151dba8bd0eb74cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/91a8eea2-d763-4809-8c95-36e75a199159.png?resizew=154)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-11-29更新
|
773次组卷
|
5卷引用:辽宁省沈阳市新民市第一高级中学2023-2024学年高二下学期第一次月考数学试题
辽宁省沈阳市新民市第一高级中学2023-2024学年高二下学期第一次月考数学试题山东省济宁市兖州区2023-2024学年高二上学期期中考试数学试题(已下线)模块三 专题2 小题进阶提升(4) 期末终极研习室(高二人教A版)(已下线)专题03 空间向量数量积的应用(期末选择题3)-2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)(已下线)6.1 空间向量及其运算(5)
6 . 在长方体
中,
,
,
,则
( )
![](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/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d927585a17c2e98ef7d5a9589a26ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0808759e8ffe270e6ff0a133591415b8.png)
A.![]() | B.![]() | C.3 | D.9 |
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2023-11-08更新
|
358次组卷
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2卷引用:辽宁省辽东教学共同体2023-2024学年高二上学期10月联考数学试题
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解题方法
7 . 已知点P是棱长为4的正四面体
表面上的动点,若MN是该四面体内切球的一条直径,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8eb37a4dd75318dcbd836395e575bd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 如图,将边长为1的正方形
沿对角线BD折成直二面角,若点P满足
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a84b374bbf51e1f76020fce5e14a693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6f24a79629c4d2c1199dfd2910f999.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/9/dde54161-2ebe-4b86-945c-1bddfbc536fe.png?resizew=157)
A.![]() | B.3 | C.![]() | D.![]() |
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解题方法
9 . 正方体
的棱长为2,P是空间内的动点,且
,则
的最大值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa01b374f234f46114fee1fa779485cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78aba8818e83c6872966e531a9e3ded.png)
A.-8 | B.![]() | C.![]() | D.1 |
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2023-10-08更新
|
581次组卷
|
3卷引用:辽宁省实验中学2023-2024学年高二上学期10月月考数学试题
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10 . 下列命题正确的是( )
A.![]() ![]() ![]() |
B.在空间四边形ABCD中,![]() |
C.在棱长为1的正四面体ABCD中,![]() |
D.设A,B,C三点不共线,O为平面ABC外一点,若![]() |
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