1 . 棱长为1的正方体ABCD﹣A1B1C1D1中,P,Q分别为C1D1,BC的中点,现有下列结论:①PQ∥BD1;②PQ∥平面BB1D1D;③PQ⊥平面AB1C;④四面体D1﹣PQB的体积等于
.其中正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/5/22/2726625096425472/2831394144083968/STEM/5319d3b8-4461-40da-99ca-d3c650910ee8.png?resizew=223)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fffe70910079ad65b954b6640562cfa.png)
![](https://img.xkw.com/dksih/QBM/2021/5/22/2726625096425472/2831394144083968/STEM/5319d3b8-4461-40da-99ca-d3c650910ee8.png?resizew=223)
A.①③ | B.②③ | C.②④ | D.③④ |
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8卷引用:四川省乐山市十校2021-2022学年高二上学期期中考试数学(理)试题
四川省乐山市十校2021-2022学年高二上学期期中考试数学(理)试题2020届安徽省安庆市高三第二次模拟理科数学试题(已下线)第33讲 空间中的平行关系-2021年新高考数学一轮专题复习(新高考专版)(已下线)专题13.2 本图形位置关系(重点练)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第二册)(已下线)2022年全国高考乙卷数学(理)试题变式题21-23题(已下线)2022年全国高考乙卷数学(理)试题变式题5-8题(已下线)第11讲空间直线、平面的垂直(核心考点讲与练)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)(原卷版)新疆维吾尔自治区乌鲁木齐市第十二中学2024届高三上学期8月月考数学(理)试题
2 . 设a,b是两条不同的直线,
是两个不同的平面.有下列四个命题:
①若
,则
且
;
②若
,则
;
③若
,则
;
④若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d6a7aec04e1d5768ef830b534460a7.png)
其中正确的命题有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc70b7f7d77515e575a2823231b34797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b330d69a949d9b55f4b6f18f47e0a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb74d1dd9a5c29da15e6cdaae435af86.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92229fb9100d35841e429f1d26a361b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f345365fe0a1986b80299f7a99a306.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219e9d65dda92c4c363747859fcae12f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da95d1cce8a4c2e6c0658bf90773bd0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d6a7aec04e1d5768ef830b534460a7.png)
其中正确的命题有( )
A.0个 | B.1个 | C.2个 | D.3个 |
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4卷引用:四川省眉山市仁寿县四校联考2021-2022学年高二上学期期中数学试题
名校
解题方法
3 . 下列四个命题中正确命题的个数是( )
①如果
,
是两条直线,
,那么
平行于经过
的任何一个平面;
②如果直线
和平面
满足
,那么
与平面
内的任何一条直线平行;
③如果直线
,
和平面
满足
,
,
,那么
;
④如果
与平面
上的无数条直线平行,那么直线
必平行于平面
.
①如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff4e42856fa5f6a4e12993e53b065e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
②如果直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d07324ee4dec98ce18a2f37728791b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
③如果直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff4e42856fa5f6a4e12993e53b065e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d07324ee4dec98ce18a2f37728791b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6784912a159b0be1bf836f985b0c2794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22374b9b90e04bd0e0e34ece26a89f8.png)
④如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
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4卷引用:四川省眉山市第一中学2021-2022学年高二上学期期中考试数学(文)试题
解题方法
4 . 若α、β是两个相交平面,点A不在α内,也不在β内,则过点A且与α和β都平行的直线( )
A.只有1条 | B.只有2条 | C.只有4条 | D.有无数条 |
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3卷引用:四川省巴中市恩阳区2021-2022学年高二上学期期中考试数学试题
名校
5 . 如图,四棱锥
的底面为矩形,
底面
,
,
,点
是
的中点,过
,
,
三点的平面
与平面
的交线为
,则下列说法错误的是( )
![](https://img.xkw.com/dksih/QBM/2021/7/4/2757112489082880/2767691277787136/STEM/813eede136d14fbeb9d79fd0aef7744e.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99926bf272cd757f0985c69b390ebcce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/2021/7/4/2757112489082880/2767691277787136/STEM/813eede136d14fbeb9d79fd0aef7744e.png?resizew=174)
A.![]() ![]() |
B.![]() |
C.直线![]() ![]() ![]() |
D.平面![]() ![]() ![]() |
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2卷引用:四川省广安市第二中学校2022-2023学年高二上学期期中考试数学(文)试题
名校
6 . 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
名校
解题方法
7 . 在四棱锥
中,平面
平面
,底面
为梯形,
,
.
①
平面
;
②
平面
;
③
是棱
的中点,棱
上存在一点
,使
.正确命题的序号为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/a8b6fbee-973b-46c0-a9b5-0c9ebf466ae8.png?resizew=153)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fdb2b9d6a4a54ed1328c5b3adcf7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5067751c639aab4d15bd92fad965dcd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/a8b6fbee-973b-46c0-a9b5-0c9ebf466ae8.png?resizew=153)
A.①② | B.①③ | C.②③ | D.①②③ |
您最近一年使用:0次
解题方法
8 . 如图,在以下四个正方体中,直线
与平面
平行的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
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|
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3卷引用:四川省蓉城名校联盟2020-2021学年高二第一学期期中联考理科数学试题
2019高一上·全国·专题练习
解题方法
9 . 正方体
中,
为
的中点,则
与过
,
,
三点的平面的位置关系是________ .
![](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/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/2020/8/22/2533478950977536/2542507420123136/STEM/e5511e1c-d341-4b2f-b42a-8ee4031f088d.png)
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9卷引用:四川省眉山市仁寿一中北校区2020-2021学年高二(上)期中数学试题
四川省眉山市仁寿一中北校区2020-2021学年高二(上)期中数学试题(已下线)2019年11月17日 《每日一题》必修2-每周一测人教A版(2019) 必修第二册 过关斩将 第八章 8.5. 空间直线、平面的平行 8.5.2 直线与平面平行人教B版(2019) 必修第四册 过关斩将 第十一章 立体几何初步 11.3.2 直线与平面平行(已下线)【新教材精创】11.3.2 直线与平面平行(第1课时)导学案(2)(已下线)第二章+点、直线、平面之间的位置关系(基础过关)-2020-2021学年高一数学单元测试定心卷(人教版必修2)北师大版 必修2 过关斩将 第一章 立体几何初步 §5 平行关系 5.1 平行关系的判定(已下线)第七章 立体几何与空间向量 第三节?第一课时直线,平面平行的判定与性质(核心考点集训)(已下线)专题03直线与平面的位置关系(4个知识点6种题型)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(沪教版2020必修第三册)
名校
10 . 如图,在正方体
中,点
为
的中点,点
为
上的动点,下列说法中:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/795fccdc-0dc8-4f0b-ba94-901fdf4b4ec1.png?resizew=155)
①
可能与平面
平行;
②
与
所成的角的最大值为
;
③
与
一定垂直;
④
⑤
与
所成的最大角的正切值为
.
其中正确个数为( )
![](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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/795fccdc-0dc8-4f0b-ba94-901fdf4b4ec1.png?resizew=155)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e539f26ed5e0b20ff7220559324869a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ab28eac96cd1343d1292254d553c10.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f8f7e40ba386c0a9675896b52752d6.png)
其中正确个数为( )
A.2 | B.3 | C.4 | D.5 |
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2020-05-08更新
|
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3卷引用:四川省乐山市十校2021-2022学年高二上学期期中考试数学(文)试题