名校
解题方法
1 . 如图,矩形
中,
为
的中点,
,将
沿直线
翻折成
,连结
,
为
的中点,则在翻折过程中,下列说法中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/896cb16e-17d5-4f3d-8d24-567b073fb9ff.png?resizew=161)
![](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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d73cdecfee3cf9596904484701b79149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770b4f16694b2bd79a1a93d776a82680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/896cb16e-17d5-4f3d-8d24-567b073fb9ff.png?resizew=161)
A.存在某个位置,使得![]() |
B.![]() |
C.异面直线![]() ![]() ![]() |
D.当三棱锥![]() ![]() ![]() |
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2021-08-04更新
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403次组卷
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2卷引用:山东省菏泽市2020-2021学年高一下学期期末数学试题