如图,在等腰
中,
,
,
,
分别是线段
,
上异于端点的动点,且
,现将
沿直线
折起至
,使平面
平面
,当
从
滑动到
的过程中,下列选项中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34dbf33492e5223df78dea34a24ae015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595648b2662f49e0fdd4e36e018ab551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c42bce098904b241986bb91c65ab33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/8/a2c63459-b8d2-4d14-91e6-e7e3f68d209b.png?resizew=288)
A.![]() |
B.二面角![]() |
C.三棱锥![]() |
D.![]() ![]() |
23-24高二上·福建莆田·阶段练习 查看更多[1]
(已下线)福建省莆田第四中学2023-2024学年高二上学期第一次(10月)月考数学试题
更新时间:2023-11-08 14:34:59
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【推荐1】在棱长为
的正方体
中,
、
两点在线段
上运动,且
,
在线段
上运动,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](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/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c096bd244d7e30e8ef26fb5278aac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
A.三棱锥![]() ![]() |
B.在平面![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.![]() ![]() ![]() |
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【推荐2】正方体
为棱长为2,动点
,
分别在棱
,
上,过点
,
,
的平面截该正方体所得的截面记为
,设
,
,其中
,下列命题正确的是( )
![](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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a666403569e607f32af5f762c246dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0319a8d5c884572329d120e5cd48a513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42501902635c65a08d4c00ab23f1f19c.png)
A.当![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() |
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【推荐1】正四棱台
中,
,侧棱
与底面所成角为
分别为
,
的中点,
为线段
上一动点(包括端点),则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/10/de89f645-4ff0-4e7d-91b1-751d8faa4d64.png?resizew=200)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71924b6456b561e88b95f885be7601a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3e99f45a474ed310d49a5e5c7bd0a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a773f779cd892616a4ff68d3715f173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/10/de89f645-4ff0-4e7d-91b1-751d8faa4d64.png?resizew=200)
A.该四棱台的体积为![]() | B.三棱锥![]() |
C.平面![]() | D.异面直线![]() ![]() ![]() |
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【推荐2】如图,正三棱锥A-PBC和正三棱锥D-PBC的侧棱长均为
,BC 2.若将正三棱锥A-PBC绕BC旋转,使得点A,P分别旋转至点
处,且
,B,C,D四点共面,点
,D分别位于BC两侧,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1336fc20f973d4df7a3a10571978f43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
A.![]() |
B.![]() ![]() |
C.多面体![]() ![]() |
D.点A,P旋转运动的轨迹长相等 |
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【推荐1】如图所示,在棱长为
的正方体
中,
为线段
的中点,
,
分别为线段
,
上的动点,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/911a686f-1d9b-4244-a4f8-b70a46d07cb3.png?resizew=182)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](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/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbafedc202bd0d86c4dfdece9f8f4fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/911a686f-1d9b-4244-a4f8-b70a46d07cb3.png?resizew=182)
A.![]() ![]() | B.存在点![]() ![]() ![]() |
C.平面![]() ![]() ![]() | D.![]() ![]() |
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【推荐2】在一个圆锥中,
为圆锥的顶点,
为圆锥底面圆的圆心,
为线段
的中点,
为底面圆的直径,
是底面圆的内接正三角形,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b63d2504bd3ecce8c10560b142356f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36508a13015c1126e8e1de41a2bf12a9.png)
A.![]() ![]() |
B.在圆锥的侧面上,点A到![]() ![]() |
C.二面角![]() ![]() |
D.记直线![]() ![]() ![]() ![]() ![]() ![]() |
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【推荐3】正方体ABCD-
的棱长为a,E在棱
上运动(不含端点),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
A.侧面![]() |
B.平面![]() ![]() |
C.E运动到![]() ![]() |
D.P为![]() ![]() |
您最近一年使用:0次