名校
1 . 青铜豆最早见于商代晚期,盛行于春秋战国时期,它不仅可以作为盛放食物的铜器.还是一件十分重要的礼器,图①为河南出土的战国青铜器——方豆,豆盘以上是长方体容器和正四棱台的斗形盖.图②是与主体结构相似的几何体,其中
,
,K为BC上一点,且
,Z为PQ上一点.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b156f4873b51115a393a86367cbeaed.png)
______ ;几何体
的所有顶点都在同一个球面上,则该球的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad6f3c8227975770a03f1c101bed88ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20220cb801b5adce6056e6c5997cb789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee793db53f6973deccc6abe6c30fa7c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b156f4873b51115a393a86367cbeaed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1403b586ce370e051c070810face63f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/21/b47304f3-82ee-4214-9df2-c6ac0c5028d4.png?resizew=255)
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2 . 如图,在棱长为2的正方体
中,M,N分别是线段
,
的中点,
是线段
上的动点,过M,N,E的平面
截正方体
所得的截面面积记为
.当
为线段
的中点时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
______ ;当
在线段
(包括端点)上运动时,
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.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/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/09e0b5e9-06dc-4ed3-9ff9-c44fbed5e242.png?resizew=151)
您最近一年使用:0次
2022-12-25更新
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733次组卷
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3卷引用:吉林省吉大附中实验学校2022-2023学年高一下学期期中考试数学试题