名校
1 . 如图,矩形
中,
,
,
为边
的中点,沿
将
折起,点
折至
处(
平面
),若
为线段
的中点,平面
与平面
所成二面角
,直线
与平面
所成角为
,则在
折起的过程中,下列说法正确的是()
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8588e18e27bfebf7c81c7e3c7efb1149.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/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657dffbd3623b705f871878fbd9df57e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/483f030abf61c6a0882d656d63cf4512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1b066f8869d0ff4513f7a99745125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/483f030abf61c6a0882d656d63cf4512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
A.存在某个位置,使得![]() |
B.![]() ![]() |
C.![]() |
D.三棱锥![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
2 . 如图,正方体
的棱长为1,线段
上有两个动点
,且
,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e438a162ed349f7f25333e8f6c044e6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/a9b213f3-56ba-4df6-be2a-0077ac9835de.png?resizew=180)
A.当![]() ![]() |
B.存在点![]() ![]() ![]() ![]() |
C.当![]() ![]() |
D.存在点![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
3 . 如图,正方体
棱长为1,P是
上的一个动点,下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
A.BP的最小值为![]() |
B.当P在![]() ![]() |
C.当P在直线![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2023-08-11更新
|
769次组卷
|
3卷引用:广东省东莞市东莞高级中学2022-2023学年高一下学期期中数学试题
名校
解题方法
4 . 如图,在棱长为a的正方体
中,M,N分别是AB,AD的中点,P为线段
上的动点(不含端点),则下列结论中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/26/523d2616-dc21-45ea-9f7e-89623627b733.png?resizew=165)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/26/523d2616-dc21-45ea-9f7e-89623627b733.png?resizew=165)
A.三棱锥![]() |
B.异面直线BC与MP所成的最大角为45° |
C.不存在点P使得![]() |
D.当点P为![]() ![]() |
您最近一年使用:0次
2023-04-25更新
|
2313次组卷
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5卷引用:广东省韶关市广东北江实验中学2022-2023学年高一下学期期中数学试题
名校
解题方法
5 . 在棱长为
的正方体
中,
与平面
相交于点
,
为
内一点,且
,设直线PD与
所成的角为
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7977ab975efa6411cc17de39be70d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1335dec9b6a1dcc7b18f7b3989c4cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10e1fa96dce547da3cab7400706770f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.点P的轨迹是圆 |
C.点![]() | D.![]() ![]() |
您最近一年使用:0次
2023-03-15更新
|
1117次组卷
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2卷引用:广东实验中学2022-2023学年高二下学期期中数学试题
名校
解题方法
6 . 如图,在棱长为1的正方体
中,点
是线段
上的动点,下列命题正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/3/c93ead8b-4812-48fc-83ec-73fd066efc6a.png?resizew=171)
![](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/83c09eec4e14a861af83d7828797d176.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/3/c93ead8b-4812-48fc-83ec-73fd066efc6a.png?resizew=171)
A.异面直线![]() ![]() |
B.二面角![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-09-01更新
|
769次组卷
|
3卷引用:广东省深圳市罗湖高级中学2022-2023学年高一下学期期中考试数学试题
广东省深圳市罗湖高级中学2022-2023学年高一下学期期中考试数学试题甘肃省天水市第一中学2021-2022学年高一下学期期末考试数学试题(已下线)高一数学下学期期末模拟押题预测试卷(三角函数+平面向量+解三角形+复数+立体几何+统计概率)-【题型分类归纳】
名校
解题方法
7 . 正方体
的棱长为1,E,F,G分别为
的中点.则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/0c5240fb-82cb-4b70-9b79-4a48c2303aa5.png?resizew=171)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473ce0e22c4edc6ef768e0c12f59e483.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/0c5240fb-82cb-4b70-9b79-4a48c2303aa5.png?resizew=171)
A.直线![]() ![]() | B.直线![]() ![]() |
C.平面![]() ![]() | D.点C与点G到平面![]() |
您最近一年使用:0次
2021-11-13更新
|
1062次组卷
|
3卷引用:广东省广州市海珠中学2021-2022学年高二上学期期中数学试题