1 . 正方体
中,下列结论错误的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() |
D.异面直线![]() ![]() ![]() |
您最近一年使用:0次
2 . 如图,正方体ABCD
A1B1C1D1的棱长为1,P为BC的中点,Q为线段CC1上的动点,过点A,P,Q的平面截该正方体所得的截面记为S.则下列命题正确的是 _____ (写出所有正确命题的编号).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/da9412ca-31ad-449e-8249-c1cc4a0d7530.png?resizew=193)
①当0<CQ<
时,S为平行四边形;
②当CQ=
时,S为等腰梯形;
③当CQ=
时,S与C1D1的交点R满足C1R= ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
④当CQ=1时,S的面积为
.
![](https://img.xkw.com/dksih/QBM/2016/1/21/1572459655667712/1572459661721600/STEM/91fa3325d22f4c79a4972c7a9f64f51a.png?resizew=7)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/da9412ca-31ad-449e-8249-c1cc4a0d7530.png?resizew=193)
①当0<CQ<
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
②当CQ=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
③当CQ=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
④当CQ=1时,S的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839c7616cd0d90265f4b2c9c021254fe.png)
您最近一年使用:0次
10-11高一下·新疆乌鲁木齐·期末
3 . 如图,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
的图形序号是
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/30/8c2b7fa5-cd35-4728-be34-f6cf98edc3d4.png?resizew=569)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c60c6db49930fbbab66b1fab54f5449e.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/2024/4/30/8c2b7fa5-cd35-4728-be34-f6cf98edc3d4.png?resizew=569)
A.①② | B.③④ |
C.①④ | D.②③ |
您最近一年使用:0次
2016-12-04更新
|
522次组卷
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11卷引用:2010-2011学年新疆乌鲁木齐八中高一下学期期末考试数学
(已下线)2010-2011学年新疆乌鲁木齐八中高一下学期期末考试数学(已下线)2011-2012学年吉林省吉林市普通中学高一上学期期末数学试卷(已下线)2012-2013学年福建省厦门六中高一下学期期中考试数学试卷2015-2016学年广东汕头市金山中学高二10月月考数学卷2015-2016学年吉林省吉林一中高一下开学验收数学试卷2017届重庆市第一中学高三10月月考数学(文)试卷2016-2017学年江西丰城中学高二上月考一数学(文)试卷(已下线)【新东方】杭州高二数学试卷236(已下线)2.2.3 直线与平面平行的性质-2020-2021学年高一数学课时同步练(人教A版必修2)(已下线)8.5.3 平面与平面平行(分层练习)-2020-2021学年高一数学新教材配套练习(人教A版2019必修第二册)(已下线)8.5.2直线与平面平行(导学案)-【上好课】
4 . 已知
为两条不同的直线,
为两个不同的平面,则下列说法正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
5 . 设
、
、
为不同的直线,
、
为不同的平面,有如下四个命题,其中正确命题的个数是( )
①若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e780bef5816b53749e73f56d7f3979c9.png)
②若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d8dcd07ffe20d7b6241d50eed2f31.png)
③若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cca4d248e87931e5c59d6a438becd1.png)
④若
,
且
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](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)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e380108ba2cf04e68a5a9393d2b921c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e780bef5816b53749e73f56d7f3979c9.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1754786a3367aca3da18ee3316e5b968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d8dcd07ffe20d7b6241d50eed2f31.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dedfa42c16dd0aefa2928a6e41f3dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cca4d248e87931e5c59d6a438becd1.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d6ca6fed060a95127579051f7a6b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
解题方法
6 . 设m,n为两条不同的直线,
,
为两个不同的平面,下列命题中为真命题的是
![](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![]() ![]() |
您最近一年使用:0次
2016-12-03更新
|
638次组卷
|
2卷引用:2015届浙江省余姚市高三第三次模拟考试理科数学试卷
7 .
是矩形,
,
,沿
将
折起到
,使平面
平面
,
是
的中点,
是
上的一点,给出下列结论:
① 存在点
,使得
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e95fa1c3bcd3d0464fcadf248e90ace.png)
② 存在点
,使得
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
③ 存在点
,使得
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
④ 存在点
,使得
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb7f8a1055fa0bf762539aeb070d3d7.png)
其中正确结论的序号是____________ .(写出所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f8441e5e499d705e4625e4c7db33dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ebf8aa867ccca195ec94c3c96e9b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b123ae31090740589ba27a846620b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
① 存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06222ee533c2484ab25321a6abbf98cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e95fa1c3bcd3d0464fcadf248e90ace.png)
② 存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5f445af1ae136773cb338920552ff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
③ 存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d508d64a98fa7be09fe06e3faa0a483.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
④ 存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56fdf217165748fafe938b64fa08179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb7f8a1055fa0bf762539aeb070d3d7.png)
其中正确结论的序号是
您最近一年使用:0次
2016-12-03更新
|
797次组卷
|
2卷引用:2015届北京市延庆县高三3月模拟理科数学试卷
8 . 在正方体
中,给出以下四个结论:
(1)直线
平面
;(2)直线
与平面
相交;
(3)直线
平面
; (4)平面
平面
.
上述结论中,所有正确结论的序号为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
(1)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd8f61df5729a4a941d7403a047dae2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b7b7793d29d66dfdd89e7a6564a35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96872cd6cd581ae8a861c7032e0257b4.png)
(3)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263d398159c7433838b714a9a75d61e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d32b0fac933ccb4eaa623a9ea1b2b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b7b7793d29d66dfdd89e7a6564a35c.png)
上述结论中,所有正确结论的序号为
![](https://img.xkw.com/dksih/QBM/2019/4/23/2188698964582400/2189492396007424/STEM/6e1d30c125ee40b996e47dca621b1f71.png?resizew=112)
您最近一年使用:0次
2016-12-03更新
|
1796次组卷
|
5卷引用:2015届江苏省滨海中学高三下学期第一次月考数学试卷
解题方法
9 . 设
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
;
②若
则
;
③若
, 则
;
④若
则
.
其中正确命题的序号是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cdaebdd9f1276ba8f86827068451c38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a1feff13fa9a17b5e44abd0c8b7f22e.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daaf5dfa9ff35661d3a8e5489caa017e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4042f9c51f83e3367d496e851735d7f9.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a1049a3fc22fd7236f6f7d0fa2e33e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53cd751c44ad4d9ebd8e3243e751321.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b24391aeea37d9e0cd3075d460b87ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4ded3c4bc7a2212f2a0eb5f9753de5.png)
其中正确命题的序号是
A.③④ | B.①② | C.②④ | D.②③ |
您最近一年使用:0次
12-13高三·江苏扬州·开学考试
解题方法
10 . 设
是两条不同的直线,
是两个不同的平面,则下列正确命题的序号是___ .
①.若
,
,则
; ②.若
,
,则
;
③.若
,
,则
; ④.若
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
①.若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0258342fb0eff42b5d37cbe42b6c89b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b610e3c5b3d78a5730e7f3d736ac28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53cd751c44ad4d9ebd8e3243e751321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0258342fb0eff42b5d37cbe42b6c89b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713288c700aee0f6f797e06760466185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cebac8b06d5d3f4ffb5f365873499f9.png)
③.若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34512482dc6ca8f32d80e4b37d64086b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713288c700aee0f6f797e06760466185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de666db0febae223cc4d1dc189d71ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e173e27e6e3a945be2126187e1a5c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
您最近一年使用:0次
2016-12-02更新
|
1062次组卷
|
4卷引用:2014届江苏省扬州中学高三开学检测理科数学试卷
(已下线)2014届江苏省扬州中学高三开学检测理科数学试卷(已下线)2014年高考数学(文)二轮专题复习与测试选择填空限时训练3练习卷2014-2015学年江苏省东台市三仓中学高一下学期期中考试数学试卷2014-2015学年江苏省东台市安丰中学高一下学期期中考试数学试卷