名校
1 . (多选)如图,在长方体
中,
,
,
是侧面
的中心,
是底面
的中心,以
为坐标原点,
、
、
所在直线分别为
、
、
轴建立空间直角坐标系,则( )
![](https://img.xkw.com/dksih/QBM/2021/12/23/2878631355047936/2879625945710592/STEM/feb510d7-ec10-4a31-836a-3996e24867b9.png?resizew=227)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1a56baf43ffdf67bc8460856e31fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ea4bd288944d3ba3d6a319de869dce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7253ffd3fc633d861810ee2e872188b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/2021/12/23/2878631355047936/2879625945710592/STEM/feb510d7-ec10-4a31-836a-3996e24867b9.png?resizew=227)
A.![]() |
B.三棱锥![]() ![]() |
C.直线![]() ![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2021-12-27更新
|
464次组卷
|
3卷引用:云南省昭通市市直中学2021-2022学年高二上学期第二次联考数学(文)试题
解题方法
2 . 如图所示,长方体ABCD-A1B1C1D1,底面是边长为1的正方形,高为2,E是DD1的中点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/18a4ce3d-c6bf-4b11-ba7b-5b744a44f5c0.png?resizew=146)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/18a4ce3d-c6bf-4b11-ba7b-5b744a44f5c0.png?resizew=146)
A.CE//A1B |
B.平面B1CE//平面A1BD |
C.三棱锥C-B1C1E的体积为![]() |
D.三棱锥C1-B1CD1的外接球的表面积为6π |
您最近一年使用:0次
2021-10-28更新
|
560次组卷
|
4卷引用:云南省昭通市永善县知临中学2021-2022学年高二上学期期中数学模拟试题(二)