名校
1 . 如图1,在矩形
与菱形
中,
,
,
,
分别是
,
的中点.现沿
将菱形
折起,连接
,
,构成三棱柱
,如图2所示,若
,记平面
平面
,则( )
![](https://img.xkw.com/dksih/QBM/2021/11/5/2844657931567104/2844713479184384/STEM/66b7b4d75a89494d80b15fba956f4073.png?resizew=158)
![](https://img.xkw.com/dksih/QBM/2021/11/5/2844657931567104/2844713479184384/STEM/c3c21240789448b48b396eb70adfd673.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0041488020a3e19377b18a70fbf82e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c89f9fb5d1a84be8aee78dca23090d.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/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab17635a999236e8d2e35017a208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e5089d811caeed93dc3bcc108d122a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5214ffa82aa775edc14bf625edd54cbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee618381a1176c3f1504cc059eb2010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23205fa9081ee5fe649093380d61640.png)
![](https://img.xkw.com/dksih/QBM/2021/11/5/2844657931567104/2844713479184384/STEM/66b7b4d75a89494d80b15fba956f4073.png?resizew=158)
![](https://img.xkw.com/dksih/QBM/2021/11/5/2844657931567104/2844713479184384/STEM/c3c21240789448b48b396eb70adfd673.png?resizew=158)
A.平面![]() ![]() | B.![]() |
C.直线![]() ![]() | D.四面体![]() ![]() |
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2021-11-05更新
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