20-21高一·全国·单元测试
名校
解题方法
1 . 如图,正方体
的棱长为2,线段
上有两个动点
、
,且
,则下列结论中错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/405705bf-b193-442e-bff2-5a955c393600.png?resizew=260)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7dfd4c4648dc52d0952c20f3978fadd.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/4901a7eda97d6a307db76c4fb196ba3d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/405705bf-b193-442e-bff2-5a955c393600.png?resizew=260)
A.![]() |
B.![]() ![]() |
C.三棱锥![]() |
D.![]() ![]() |
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2021-01-06更新
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1242次组卷
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4卷引用:第一章+空间几何体(能力提升)-2020-2021学年高一数学单元测试定心卷(人教版必修2)
(已下线)第一章+空间几何体(能力提升)-2020-2021学年高一数学单元测试定心卷(人教版必修2)(已下线)文科数学-学科网2021年高三1月大联考考后强化卷(新课标Ⅰ卷)贵州省遵义市第二教育集团2021-2022学年高二上学期期末联考数学(理)试题安徽省滁州市定远县民族中学2023届高三上学期期末数学试题
20-21高一·全国·课后作业
名校
解题方法
2 . 如图,在三棱锥
中,
,
分别为AB,AD的中点,过EF的平面截三棱锥得到的截面为EFHG.则下列结论中不一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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|
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11卷引用:专题05+直线、平面平行的判定及其性质(重点练)-2020-2021学年高一数学十分钟同步课堂练(人教版必修2)
(已下线)专题05+直线、平面平行的判定及其性质(重点练)-2020-2021学年高一数学十分钟同步课堂练(人教版必修2)(已下线)8.4 空间直线、平面的平行--2020--2021高中数学新教材配套提升训练(人教A版必修第二册)广东省深圳市福田区福田中学2020-2021学年高一下学期期中数学试题河北省安平中学2020-2021学年高一下学期第一次月考数学试题安徽省合肥艺术中学2020-2021学年高一下学期期中数学试题陕西省宝鸡市陈仓区虢镇中学2021-2022学年高一上学期期末数学试题沪教版(2020) 必修第三册 同步跟踪练习 第10章 10.3.1 第2课时 直线与平面平行的性质定理广东省东莞市东莞一中、东莞高级中学2020-2021学年高一下学期第二次质量检测数学试题黑龙江省大兴安岭地区呼玛县高级中学2022届高三上学期期末数学(文)试题河南省郑州市优胜实验中学2023-2024学年高一下学期期中考试数学试卷河南省漯河市源汇区漯河市高级中学2023-2024学年高一下学期5月月考数学试题
名校
3 . 在正方体
中,点
和点
分别在
和
上,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00fd1e8850a3854094fb3a8712356d72.png)
,则( )
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00fd1e8850a3854094fb3a8712356d72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac240e81e4dbf3097c843b75235ec661.png)
A.![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
4 . 在长方体
中,
,则下列结论不正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629771479449600/2629822131052544/STEM/0f260e36-bf68-4486-b56f-93262f24232b.png?resizew=313)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d30e49e97f35ea7b40ec44a7e69c1d.png)
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629771479449600/2629822131052544/STEM/0f260e36-bf68-4486-b56f-93262f24232b.png?resizew=313)
A.平面![]() ![]() |
B.在直线![]() ![]() ![]() ![]() |
C.平面![]() ![]() ![]() ![]() |
D.在直线![]() ![]() ![]() ![]() |
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名校
解题方法
5 . 已知平面
,
满足
,
,过平面
和
外的一点
作直线
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b707f5ee4fbb2e637c65fbc6d8ed03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb26a220ed44c446105df7caa0f1063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4042f9c51f83e3367d496e851735d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b610e3c5b3d78a5730e7f3d736ac28.png)
A.充分不必要条件 | B.必要不充分条件 | C.充要条件 | D.既不充分也不必要条件 |
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|
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4卷引用:四川省成都市南开为明学校2020-2021学年高三上学期第二次调研考试数学(理)试题
解题方法
6 . 如图,在下列四个正方体图形中,
为正方体的两个顶点,
分别为其所在棱的中点,能得出
平面
的图形是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/3dbe9283-fa00-4c68-a8b1-03872fce0111.png?resizew=463)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9369aed2d8309af46ac3eaffb9cce537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307807ee10071bafbe922eb18d2517d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52173c8cc44246823c2bee21a783b731.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/3dbe9283-fa00-4c68-a8b1-03872fce0111.png?resizew=463)
A.①④ | B.③④ | C.④ | D.①②④ |
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|
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3卷引用:山西省八校联考2020-2021学年高二上学期12月月考数学(理科)试题
名校
解题方法
7 . 如图,点M是正方体
中的线段
上的一个动点,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/2020/12/31/2626142280048640/2627463692353536/STEM/8bc4a90c-4135-45a5-8144-3db3cf6e4f70.png?resizew=255)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://img.xkw.com/dksih/QBM/2020/12/31/2626142280048640/2627463692353536/STEM/8bc4a90c-4135-45a5-8144-3db3cf6e4f70.png?resizew=255)
A.存在点M,使![]() ![]() |
B.点M存在无数个位置满足![]() |
C.若正方体的棱长为1,三棱锥![]() ![]() |
D.存在点M,使异面直线![]() ![]() |
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3卷引用:湖北省智学联盟2020-2021学年高二上学期12月联考数学试题
8 . 如图,已知在棱长为1的正方体
中,点
,
,
分别是
,
,
的中点,下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/2020/12/28/2623767915347968/2626595236462592/STEM/124f1470-8193-4974-a0d1-9a8af9296582.png?resizew=306)
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://img.xkw.com/dksih/QBM/2020/12/28/2623767915347968/2626595236462592/STEM/124f1470-8193-4974-a0d1-9a8af9296582.png?resizew=306)
A.![]() ![]() |
B.![]() ![]() |
C.三棱锥![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知正方体
的棱长为
,点
、
、
分别为棱
、
、
的中点,下列结论中,其中正确的命题____________ (填序号)
![](https://img.xkw.com/dksih/QBM/2020/12/29/2624712632000512/2625517191593984/STEM/64ca193179684345824abd21c4b58334.png?resizew=208)
①过
、
、
三点作正方体的截面,所得截面为正六边形;
②
平面
;
③四面体
的体积等于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://img.xkw.com/dksih/QBM/2020/12/29/2624712632000512/2625517191593984/STEM/64ca193179684345824abd21c4b58334.png?resizew=208)
①过
![](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/895dc3dc3a6606ff487a4c4863e18509.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498c3a1b2dea65bd13d3906597b36a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
③四面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ac02c2f91cadb1e328bc6ab9b9c491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d599cb4a589f90b0205f24c2e1fa021e.png)
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|
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2卷引用:四川省成都外国语学校2020-2021学年高二上学期12月月考数学(文)试题
名校
10 . 如图正方体
,取正方体六个面的中心
,
,
,
,
,
将其连接起来就得到了一个正八面体,下面说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/20180fe6-cde8-49a1-b3d3-235fa854c342.png?resizew=190)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/20180fe6-cde8-49a1-b3d3-235fa854c342.png?resizew=190)
A.![]() ![]() | B.![]() ![]() ![]() |
C.平面![]() ![]() | D.平面![]() ![]() |
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3卷引用:湖北山东部分重点中学2020-2021学年高三上学期12月教学质量联合检测数学试题1