名校
解题方法
1 . 如图,在棱长为2的正方体
中,
为正方体的中心,
为
的中点,
为侧面正方形
内一动点,且满足
平面
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7253ffd3fc633d861810ee2e872188b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1df970d8b2fcbb38bfac1dc33da9179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a0a3bb566b5d2404e4bb823abddfa9.png)
A.三棱锥![]() ![]() |
B.动点![]() ![]() |
C.三棱锥![]() |
D.若过![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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解题方法
2 . 已知梯形
,
,
,
,
,
是线段
的中点.将
沿着
所在的直线翻折成四面体
,翻折的过程中下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d262480ffb55b7617f44b63f130c154a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.![]() ![]() |
B.当直线![]() ![]() ![]() ![]() |
C.四面体![]() ![]() |
D.四面体![]() ![]() |
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解题方法
3 . 在四棱锥
中,底面
是矩形,
平面
,
、
分别为棱
、
的中点,下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
A.![]() | B.![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() ![]() |
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|
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3卷引用:安徽省级示范高中培优联盟2023-2024学年高二下学期春季联赛数学试题
安徽省级示范高中培优联盟2023-2024学年高二下学期春季联赛数学试题陕西省西安市南开高级中学2023-2024学年高一下学期五月月考数学试卷(已下线)高一期末模拟试卷01-《期末真题分类汇编》(北师大版(2019))
名校
4 . 如图,多面体
由正四棱锥
和正四面体
组合而成,其中
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c05efb2f567bee7d101438e86f8d3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e4e31ae381d5ceb847fcbd4c54a314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de13b10c940fe4cad7642a11db2e705d.png)
A.该几何体的表面积为![]() |
B.该几何体为七面体 |
C.二面角![]() ![]() |
D.存在球![]() |
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5 . 如图,该多面体的表面由18个全等的正方形和8个全等的正三角形构成,该多面体的所有顶点都在同一个正方体的表面上.若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056c2272e0d10d6dd9706e6324d8e62d.png)
A.![]() | B.该多面体外接球的表面积为![]() |
C.直线MG与直线PQ的夹角为![]() | D.二面角![]() ![]() |
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5卷引用:湖南省娄底市第三中学2023-2024学年高二下学期5月月考数学试题
名校
解题方法
6 . 如图,正方体
的棱长为1,
是线段
上的动点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
A.三棱锥![]() |
B.![]() ![]() |
C.![]() ![]() |
D.直线![]() ![]() ![]() |
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7 . 已知圆
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad331ee6a0deefe4bdbc0bc728273179.png)
A.圆![]() ![]() |
B.圆![]() ![]() |
C.圆![]() ![]() |
D.圆![]() ![]() |
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名校
解题方法
8 . 如图,在棱长为4的正方体
中,
,过
的平面
截正方体
所得的截面为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2d79c2a25f7a3129a94486d7171cb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b06ca628c01e7d6711313888921dfb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
A.![]() ![]() |
B.点![]() ![]() ![]() |
C.在棱![]() ![]() ![]() ![]() ![]() |
D.在棱![]() ![]() ![]() ![]() |
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9 . 已知
,
是两条不同的直线,
,
是两个不同的平面,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.若![]() ![]() ![]() | B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() | D.若![]() ![]() ![]() ![]() |
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解题方法
10 . 如图,正方体
的棱长为1,动点
在线段
上,
分别是
的中点,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56afb8c84a2105d525b84b6862a5426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7835c72d14f9d61b95b15aa47fafac2.png)
A.![]() | B.当![]() ![]() ![]() |
C.三棱锥![]() | D.直线![]() ![]() ![]() |
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