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1 . 如图所示,正方体
中,给出以下判断,其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/19/0f854fda-e56e-4d46-b44c-4d6c219d4cf9.png?resizew=160)
A.![]() ![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() ![]() |
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2 . 如图,在正方体
中,
,
,
分别是
,
,
的中点,则下列说法错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/7a2dd3c4-3252-4ea8-a1a3-95d12ed0abe2.png?resizew=200)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/7a2dd3c4-3252-4ea8-a1a3-95d12ed0abe2.png?resizew=200)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2021-09-06更新
|
894次组卷
|
4卷引用:四川省内江市第六中学2021-2022学年高二上学期第一次月考创新班理科数学试题
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解题方法
3 . 如图为一正方体的平面展开图,在这个正方体中,有下列四个命题:
①
; ②
与
成
角;
③
与
成异面直线且夹角为
.
其中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/fe4dba72-e163-40ee-b630-aadff16052d9.png?resizew=181)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c13866a079bd621d497ebaf81404cc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
其中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/fe4dba72-e163-40ee-b630-aadff16052d9.png?resizew=181)
A.①② | B.②③ | C.③ | D.①②③ |
您最近一年使用:0次
2022-10-14更新
|
307次组卷
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3卷引用:四川省内江市第六中学2022-2023学年高二上学期期中考试数学(文科)试题