名校
解题方法
1 . 如图,正方体
的棱长为1,E,F,G分别为
的中点,则下列说法正确的序号为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/f4445050-0ae4-4d14-852a-354b62e652d7.png?resizew=220)
①直线
与直线
所成角的正切值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
②直线
与平面
不平行
③点C与点G到平面
的距离相等
④平面
截正方体所得的截面面积为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4700efcb84c4027ce7a50af0d5212fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473ce0e22c4edc6ef768e0c12f59e483.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/f4445050-0ae4-4d14-852a-354b62e652d7.png?resizew=220)
①直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04777f3f4661fa1c08a1cc0dfb807c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04777f3f4661fa1c08a1cc0dfb807c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
③点C与点G到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
④平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4700efcb84c4027ce7a50af0d5212fc.png)
A.①④ | B.②③ | C.①③ | D.②④ |
您最近一年使用:0次
解题方法
2 . 已知
直线,
是平面,给出下列说法,其中正确的说法序号为( )
①若
,则
或
;
②若
,则
;
③若
不垂直于
.则
不可能垂直于
内的无数条直线;
④若
且
,则
且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ba63ad02b1d5af2982fac3d91eb15c.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c1b755be4ad1b0999070ef79d7bd02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59b1a01a6da42ff2a41e5b91ea301ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53cd751c44ad4d9ebd8e3243e751321.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd3ef9f7bb4d2ab64c4c713d6ace64d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3c0daa473ebcef025bf44e46bfd963.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dbf7172403709a1dd33a2a183f95f55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f84e2761ae07f726d789e4f3ca4b62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df0d37b44de48de51555fa95d94e33f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d6ca6fed060a95127579051f7a6b79.png)
A.①② | B.②③ | C.③④ | D.②④ |
您最近一年使用:0次
3 . 如图,菱形ABCD的对角线AC与BD交于点O,EF是
的中位线,AC与EF交于点G,已知
是
绕EF旋转过程中的一个图形,且
.给出下列结论:
平面
;
②平面
平面
;
③二面角
的平面角是直线OP与平面ABCD所成角的2倍.
其中所有正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b51d3992644d37dc71c9b5a97d515c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff39c7aa648afd1080206c8080ff79e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e047b07e4609bea2232e2cbe8435940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debdc6632a4877e5131d3da25cda8b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d246f9eceab371ebf47a47c2f11a4ad.png)
②平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
③二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f8c417f5c19cc076dc6baeb0c173a9.png)
其中所有正确结论的序号为( )
A.①②③ | B.①② | C.①③ | D.②③ |
您最近一年使用:0次
2024-03-27更新
|
648次组卷
|
4卷引用:四川省遂宁市2024届高三第二次诊断性考试数学(理)试题
四川省遂宁市2024届高三第二次诊断性考试数学(理)试题四川省雅安市2024届高三下学期二诊数学(理)试题四川省乐山市2024届高三第二次调查研究考试数学(理科)试题(已下线)第13章 立体几何初步(提升卷)-重难点突破及混淆易错规避(苏教版2019必修第二册)
名校
解题方法
4 . 如图,菱形
的对角线
与
交于点
,
是
的中位线,
与
交于点
,已知
是
绕
旋转过程中的一个图形﹐且
平面
.给出下列结论:
平面
;
②平面
平面
;
③“直线
直线
”始终不成立.
其中所有正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b51d3992644d37dc71c9b5a97d515c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff39c7aa648afd1080206c8080ff79e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6c72495428bbbd12cad3271b0654ee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debdc6632a4877e5131d3da25cda8b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d246f9eceab371ebf47a47c2f11a4ad.png)
②平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
③“直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce49710609f7bffc36441dc5c2f7c2ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
其中所有正确结论的序号为( )
A.①②③ | B.①② | C.①③ | D.②③ |
您最近一年使用:0次
2024-03-27更新
|
858次组卷
|
9卷引用:四川省广安市2024届高三第二次诊断性考试数学(文)试题
四川省广安市2024届高三第二次诊断性考试数学(文)试题2024届四川省遂宁市等3地高三二模文科数学试题四川省雅安市2024届高三下学期二诊数学(文)试题河南省南阳市西峡县第一高级中学2023-2024学年高二下学期第一次月考数学试卷四川省乐山市2024届高三第二次调查研究考试文科数学试题(已下线)专题20 空间直线、平面的垂直-《重难点题型·高分突破》(人教A版2019必修第二册)(已下线)8.6.3平面与平面垂直【第三课】“上好三节课,做好三套题“高中数学素养晋级之路2024届宁夏回族自治区银川一中高考三模理科数学试题(已下线)6.5.2平面与平面垂直-【帮课堂】(北师大版2019必修第二册)
解题方法
5 . 如图,在棱长为1的正方体
中,点
是该正方体对角线
上的动点,给出下列三个结论:
①
;
②点
到直线
的距离的最小值是
;
③当
时,三棱锥
外接球的表面积为
.
其中所有正确结论的序号为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/a84534c4-5ab3-4a01-b96e-d32eee2cea2b.png?resizew=165)
![](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/9fe734023d4e70010a6b2cc3267cb86e.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604cba0e6356976f9da6a07cb01b3397.png)
②点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64f1145c162038df3c7184d9201c628e.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de819625a4637c8e10b2975010f2840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddfe0ccf24d760c77535a70c92dad145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09cff066313be6f7c0ca8500ac78cbfb.png)
其中所有正确结论的序号为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/a84534c4-5ab3-4a01-b96e-d32eee2cea2b.png?resizew=165)
A.①② | B.①③ | C.②③ | D.①②③ |
您最近一年使用:0次
6 . 在三棱锥
中,满足
,
,给出下列结论:
①
; ②若
是锐角,则
;
③若
是钝角,则
是钝角; ④若
且
,则
是锐角.
其中正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35333abd7f02d663d15251bc5cbbf921.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4668ef024c694c0517c46af5e563495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5695ba6ee3f7466b4b32c2e9340abf1.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a72dfbf0138a611174c36ce077e0c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149b1f4a7300425e6682e41d5f095377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f8fcbe6d923d1f5ba46a695756eb37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a72dfbf0138a611174c36ce077e0c47.png)
其中正确结论的序号为( )
A.①②④ | B.①④ | C.②③ | D.②④ |
您最近一年使用:0次
名校
7 . 如图,直线
平面
,垂足为
,正四面体
的棱长为2,
,
分别是直线
和平面
上的动点,且
,则下列判断:①点
到棱
中点
的距离的最大值为
;②正四面体
在平面
上的射影面积的最大值为
.其中正确的说法是.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/22/ad8a8194-89ed-4d80-800d-bd6ac7a87a8f.png?resizew=232)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9df740160690029ac1e730c85f20347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa145a3e4f18f784ddf4869e0bf904c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f190b17530d81d927c358ac84757a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/22/ad8a8194-89ed-4d80-800d-bd6ac7a87a8f.png?resizew=232)
A.①②都正确 | B.①②都错误 | C.①正确,②错误 | D.①错误,②正确 |
您最近一年使用:0次
2020-05-21更新
|
486次组卷
|
2卷引用:2020届上海市黄浦区高三二模(阶段性调研)数学试题
8 . 如图所示的菱形
中,
对角线
交于点
,将
沿
折到
位置,使平面
平面
.以下命题:
①
;
②平面
平面
;
③平面
平面
;
④三棱锥
体积为
.
其中正确命题序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e4b6f03fa7c782408bb6fabb57c1576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3c032441543354c154ee67d744abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ea25ef38e4afa8f75ffd0842890289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe052786101dfcc941480919eb2cecc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/22/70dc5fdb-9d52-4f09-87d1-32477e72c148.png?resizew=342)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c83a968964b21bd831d75905ca1e487.png)
②平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0cf578c7ba542ff9946ad172f896dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
③平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d138354c4e021ac8ae2a2fb176ca14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1530d93834fbafba5f7217778ea90442.png)
④三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb4c6e9a723aa843e6ba62d7c1a3a6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
其中正确命题序号为( )
A.①②③ | B.②③ | C.③④ | D.①②④ |
您最近一年使用:0次
2023-05-19更新
|
1254次组卷
|
6卷引用:陕西省咸阳市2023届高考模拟理科数学试题
陕西省咸阳市2023届高考模拟理科数学试题陕西省咸阳市2023届高考模拟文科数学试题山西省太原师范学院附属中学、太原市师苑中学校2022-2023学年高一下学期5月月考数学试题江西省南昌市铁路第一中学2023-2024学年高二上学期10月月考数学试题(已下线)第04讲 直线、平面垂直的判定与性质(五大题型)(讲义)(已下线)第一章 点线面位置关系 专题二 空间垂直关系的判定与证明 微点5 平面与平面垂直的判定与证明【基础版】
名校
9 . 已知两条不重合的直线
和
,两个不重合的平面
和
,下列四个说法:
①若
,
,
,则
;
②若
,
,则
;
③若
,
,
,
,则
;
④若
,
,
,
,则
.
其中所有正确的序号为( )
![](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/5b5858ee1ce52b251816757257a11c29.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d6a7aec04e1d5768ef830b534460a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb74d1dd9a5c29da15e6cdaae435af86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d2a947e3fdc214d40a7d3f54679a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b330d69a949d9b55f4b6f18f47e0a37.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d2a947e3fdc214d40a7d3f54679a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e076b91a9178217532e11c496400e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542a1572078188c8fbe82ebddf8af3ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb74d1dd9a5c29da15e6cdaae435af86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73d51665f7e628b34b4cb5e637222e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5475e10ea3f37788e680395999037a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/057cdb4057bca398a838e868efd360f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187f7895012551f2067f0b77d8df2141.png)
其中所有正确的序号为( )
A.②④ | B.③④ | C.④ | D.①③ |
您最近一年使用:0次
10 . 如图,正方体
中,E.F分别为棱
、
的中点,下列说法:
①直线BE与直线DF相交;
②直线BE与直线DF是异面直线;
③
;
④直线BD与直线EF是异面直线.其中正确的说法的序号为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/fd3e49a6-04c2-4f6f-8e6b-0775d2516008.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01a135d225d2337622f978be143b64b.png)
①直线BE与直线DF相交;
②直线BE与直线DF是异面直线;
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/275d0a87e481621d9aead27445adeefa.png)
④直线BD与直线EF是异面直线.其中正确的说法的序号为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/fd3e49a6-04c2-4f6f-8e6b-0775d2516008.png?resizew=169)
A.①③ | B.①④ | C.②③ | D.②④ |
您最近一年使用:0次