名校
1 . 已知
是两个不同的平面,
是两条不同的直线,下列说法一定正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ccc19a183b9ce7f82d2609a14b9a43.png)
A.若![]() ![]() ![]() | B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() ![]() |
您最近一年使用:0次
2023-07-03更新
|
289次组卷
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2卷引用:重庆市字水中学2023-2024学年高二上学期10月月考数学试题
名校
2 . 如图所示,在四棱锥
中,
是边长为2的正三角形,点
为正方形
的中心,
为线段
的中点,
则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/17/dd785b6b-af8b-4cd6-93a1-d8129980f5dd.png?resizew=217)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c753cb1eb73fd8d136d00462970797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4999d4fbcbe15f78c29d518f25d317c2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/17/dd785b6b-af8b-4cd6-93a1-d8129980f5dd.png?resizew=217)
A.直线![]() ![]() |
B.线段![]() ![]() |
C.直线![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
2020-11-27更新
|
969次组卷
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6卷引用:重庆市第十八中学2020-2021学年高二上学期期中数学试题