名校
1 . 如图,在棱长为3的正方体
中,点E,F分别是棱BC,
的中点,若直线
与平面AEF交于点M,则线段
的长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5563473602e1b17d582a165b7b7b6b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/15/69d038c4-b2c3-4f77-bb4c-ba6ab80312b7.png?resizew=166)
A.![]() | B.2 | C.![]() | D.3 |
您最近一年使用:0次
2 . 已知
,若
共面,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5d9ba97ef761c4c613f476f8703519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.2 | B.1 | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-26更新
|
467次组卷
|
3卷引用:海南省海口市农垦中学2023-2024学年高二上学期期中数学试题
名校
3 . 已知空间中三点
、
、
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a323525af54c4ba2ea988930517fbc27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e2755d7f7751444a6ee6de623bdd836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91df277048cd53cf37906db6e0df96b5.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() ![]() | D.平面![]() ![]() |
您最近一年使用:0次
2023-11-23更新
|
400次组卷
|
2卷引用:海南省儋州市洋浦中学2023-2024学年高二上学期期中数学试题(B卷)
4 . 已知平面
平面
,
,
的一个法向量分别为
,
,直线
的方向向量为
,则下列结论不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670684ed4962fcebce7b5a140510d066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f17a8dbdeec924d5cb55954f2c7655.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/43191c7678f2be7fc7177d7505f52f24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/849b9b0812ca3d35d3df71a0fc7daf64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a78b762098b389f99ff5c8ae57fd06c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 如图,在长方体
中,
,
分别为
,
的中点,
是线段
上一点,满足
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
______ .
![](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/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaaec77982500dde97b8a87b8992bc18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/217f85bc37f04fe6baf2e6e4d94faba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
您最近一年使用:0次
2023-11-20更新
|
273次组卷
|
5卷引用:海南省2023-2024学年高二上学期11月期中阶段性教学检测(一)数学试题
海南省2023-2024学年高二上学期11月期中阶段性教学检测(一)数学试题(已下线)模块三 专题3 小题满分挑战练(2) 期末终极研习室(高二人教A版)(已下线)专题01 空间向量及其应用常考题型归纳(2)(已下线)专题01 空间向量与立体几何(1)山东省潍坊市第一中学2023-2024学年高一下学期清明后摸底考试(4月月考)数学试题
解题方法
6 . 已知四棱台
的上、下底面均为正方形,
底面
,
,
,
是底面
的中心,以
为原点,
,
,
所在直线分别为
,
,
轴建立空间直角坐标系,如图所示,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/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de116fa811f06342007a231bb16f2e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e1b4235062a09842ee934374cb5318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/2e99b6d4-50bc-4707-82e1-22179377eb9a.png?resizew=201)
A.![]() |
B.![]() ![]() |
C.直线![]() ![]() ![]() |
D.点![]() ![]() ![]() |
您最近一年使用:0次
7 . 在空间直角坐标系中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8fcc85e1f545c9203d4de87b33c561c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e70f9d3de9f579bb4c84a571c227c080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
您最近一年使用:0次
8 . 已知点
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1849a5fc65e325f3db80eb0d0cb4b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd57d576f55476b45ed43f33aeaf294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa49270f76219fd07de45f24c15059e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7590a22611f3935d8e32eac956c2a4c1.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
9 . 已知空间向量
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d33ee1f52775bf9ba66e0fdf0ecbb35.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90136425bd2ec9d496c1552053ac8560.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5f69bb2eac51075fab04e2a984a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d33ee1f52775bf9ba66e0fdf0ecbb35.png)
您最近一年使用:0次
2023-10-17更新
|
412次组卷
|
4卷引用:海南省海口市琼山华侨中学2023-2024学年高二上学期期中考试数学试题
10 . 已知向量
,那么
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2990daef0d6f8c2e9824eb2c3bf3ee09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cd8bbf47b69bbd7a6263b041290d11.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-13更新
|
104次组卷
|
2卷引用:海南省海口市秀英区海南枫叶国际学校2023-2024学年高二上学期期中数学试题