解题方法
1 . 若
,
,
表示三条不重合的直线,
,
表示两个不同的平面,则下列命题中,正确的个数是( )
①若
,
,则
②
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
③若
,
,则
④若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
![](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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
①若
![](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/72fbc714c63815dad9a27418f6492f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e5acb08c1dd5f53d8ad43d53acb199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ed047ae6cd03de0cb6fb747de19972.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229ad7ff99f02612a2647de5986f7471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2293799d379200cf746e8450ebd5744f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d4fc47a5814493cc5facdc3ab296dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f345365fe0a1986b80299f7a99a306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f3aca2f1993d5e94255454c5f82a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2 . 已知l,m是两条不同的直线,
,
是两个不同的平面,且
,
,现有下列命题:
①若
,则
;②若
,则
;③若
,则
;④若
,则
.
其中正确的命题个数为( )
![](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/daac3b69009a27d28fa04fd88c9bb102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b610e3c5b3d78a5730e7f3d736ac28.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dedfa42c16dd0aefa2928a6e41f3dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dedfa42c16dd0aefa2928a6e41f3dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d953a8497a2d9de6d02f14021d6fdab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4042f9c51f83e3367d496e851735d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
其中正确的命题个数为( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2012·山东烟台·模拟预测
名校
3 . 在空间给出下面四个命题(其中
、
为不同的两条直线),
、
为不同的两个平面)
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3091191ba2a09c99badcd0a8ef735324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0651be2aade4e8062b5a9dc47c10e916.png)
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27534978575fde49b8be79f34367f48.png)
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3bce2586bd06031f63df5112c561ec3.png)
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373331f0085b208e8fc2845cc1aeaf3c.png)
其中正确的命题个数有
![](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
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3091191ba2a09c99badcd0a8ef735324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0651be2aade4e8062b5a9dc47c10e916.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27534978575fde49b8be79f34367f48.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3bce2586bd06031f63df5112c561ec3.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373331f0085b208e8fc2845cc1aeaf3c.png)
其中正确的命题个数有
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
2016-12-01更新
|
616次组卷
|
5卷引用:广西南宁市马山县金伦中学2016-2017学年高二下学期期末考试数学(理)试题
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4 . 已知m、n是不重合的直线,α、β是不重合的平面,则下列命题正确的是( )
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
名校
5 . 设
是两条不同的直线,
是两个不同的平面,给出下列四个命题中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
2017-08-18更新
|
122次组卷
|
2卷引用:广西南宁二中2016-2017学年高一下学期期末考试数学(文)试题