名校
1 . 如图,在平行四边形
中,
,
分别为
的中点,沿
将
折起到
的位置(
不在平面
上),在折起过程中,下列说法不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9bba30fadf42ba865a15f4a000da37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df7fc746f8c4801d8f2f0471ba3297e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cde52e02168c74b4b1c0a8ce09287df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.若![]() ![]() ![]() ![]() |
B.存在某位置,使![]() |
C.当二面角![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
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2022-11-30更新
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1599次组卷
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8卷引用:黑龙江省哈尔滨市第三中学校2022-2023学年高三上学期阶段性测试(三)数学试题