1 . 四棱台
的底面ABCD是正方形,
平面ABCD,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ecf072589c0f901d92f6bda111d841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50cb59da6e7882e4328b766777ee15d.png)
A.该四棱台的体积为![]() | B.平面![]() ![]() |
C.直线![]() ![]() | D.直线![]() ![]() |
您最近一年使用:0次
解题方法
2 . 如图,这是一个正方体的平面展开图,
分别是棱
的中点,则在该正方体中( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/7/baa57192-f670-4572-9679-281fa44f2856.png?resizew=148)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1e88cf0d8c045bd76c0c37aec2aaa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/678d1c3e1ddbde6860f6617fc61947f2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/7/baa57192-f670-4572-9679-281fa44f2856.png?resizew=148)
A.![]() |
B.![]() ![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
2022-07-07更新
|
728次组卷
|
4卷引用:湖南省衡阳市部分校2021-2022学年高一下学期期末数学试题
解题方法
3 . 下列说法不正确的是( )
A.若直线![]() ![]() ![]() ![]() |
B.若直线![]() ![]() ![]() ![]() |
C.若直线![]() ![]() ![]() ![]() ![]() ![]() |
D.如果空间中两个角的两条边分别对应平行,那么这两个角相等或互补 |
您最近一年使用:0次
2022-07-04更新
|
210次组卷
|
2卷引用:广西北海市2021-2022学年高一下学期期末检测数学试题
解题方法
4 . 设A、B、C、D是空间中四个不同的点,下列命题中正确的是( )
A.若AC与BD共面,则AD与BC共面 |
B.若AC与BD是异面直线,则AD与BC也是异面直线 |
C.若![]() |
D.若![]() |
您最近一年使用:0次
5 . 如图,四棱锥
,平面
平面ABCD,侧面PAD是边长为
的正三角形,底面ABCD为矩形,
,点Q是PD的中点,则下列结论正确的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/14/da483ac8-257f-4cf2-a084-2607d80e71b4.png?resizew=235)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10e8abf8690e4b129466ddb918bcc94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4836945f324c29ef818b423bcc017a93.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/14/da483ac8-257f-4cf2-a084-2607d80e71b4.png?resizew=235)
A.![]() | B.直线QC与PB是异面直线 |
C.三棱锥![]() ![]() | D.四棱锥![]() ![]() |
您最近一年使用:0次
6 . 在长方体
中,
,
,
,动点
在平面
内且满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3e58edd1f900ca82bb2a3058293f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd80188a3fce0f42001536ca9965ee7.png)
A.无论![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
7 . 如图,
是底面为矩形的直四棱柱,
,
,点E,F,G分别为棱CD,
,
的中点,则下列结论中正确的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/0fb73c50-7787-47d1-9acf-58d8bb0876c7.png?resizew=167)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92105835f8075cb75dff244e908370b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/0fb73c50-7787-47d1-9acf-58d8bb0876c7.png?resizew=167)
A.![]() ![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
解题方法
8 . 如图,在长方体
中,
,BC=2,M、N分别为棱
,
的中点,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/5/16/2980507222532096/2982514354692096/STEM/2cc1ee93-bf24-4b85-9a52-98b449a9811f.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97315b1fc75dc5bb8569d6fcb2cd668f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/2022/5/16/2980507222532096/2982514354692096/STEM/2cc1ee93-bf24-4b85-9a52-98b449a9811f.png?resizew=169)
A.A,D,![]() ![]() | B.AM与BN是异面直线 |
C.平面![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 如图,已知正方体
的棱长为2,则下列四个结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/8a7a29b2-6682-47d6-a761-2dd8b9c75b00.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/8a7a29b2-6682-47d6-a761-2dd8b9c75b00.png?resizew=156)
A.直线![]() ![]() | B.![]() ![]() |
C.三棱锥![]() ![]() | D.三棱锥![]() ![]() |
您最近一年使用:0次
2022-05-20更新
|
845次组卷
|
3卷引用:黑龙江省齐齐哈尔市第八中学校2021-2022学年高一下学期期中考试数学试题
2022·全国·模拟预测
解题方法
10 . 如图,在正方体
中,
,
分别为
,
的中点,则( )
![](https://img.xkw.com/dksih/QBM/2022/5/17/2981296698974208/2981510503030784/STEM/6947cca7-591d-4c24-875f-0658c1950255.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d96aef7b58d6675cb9b9aa8c101514.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c57b07f75e97d9f84718bd495ebcf4.png)
![](https://img.xkw.com/dksih/QBM/2022/5/17/2981296698974208/2981510503030784/STEM/6947cca7-591d-4c24-875f-0658c1950255.png?resizew=156)
A.![]() ![]() ![]() ![]() ![]() |
B.![]() ![]() ![]() ![]() ![]() |
C.直线![]() ![]() ![]() ![]() |
D.直线![]() ![]() ![]() ![]() |
您最近一年使用:0次