1 . 给出下列命题:
①如果
,
是两条直线,且
//
,那么
平行于经过
的任何平面;
②如果平面
不垂直于平面
,那么平面
内一定不存在直线垂直于平面
;
③若直线
,
是异面直线,直线
,
是异面直线,则直线
,
也是异面直线;
④已知平面
⊥平面
,且
∩
=
,若
⊥
,则
⊥平面
;
⑤已知直线
⊥平面
,直线
在平面
内,
//
,则
⊥
.
其中正确命题的序号是_____ .
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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
②如果平面
![](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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
③若直线
![](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/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
④已知平面
![](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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
⑤已知直线
![](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/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
其中正确命题的序号是
您最近一年使用:0次
11-12高二上·北京·期中
名校
2 . 下列条件中,能使
的条件是
![](https://img.xkw.com/dksih/QBM/2012/3/8/1570793188728832/1570793193848832/STEM/004e4414031e4c5b91a5544886028578.png)
A.平面![]() ![]() |
B.平面![]() ![]() |
C.平面![]() ![]() |
D.平面![]() ![]() |
您最近一年使用:0次
12-13高二上·陕西宝鸡·期末
解题方法
3 . 如图①在直角梯形ABCP中,BC
AP,AB⊥BC,CD⊥AP,AD=DC=PD=2,E,F,G分别是线段PC、PD,BC的中点,现将△PDC折起,使平面PDC⊥平面ABCD(如图②).
(Ⅰ)求证AP
平面EFG;
(Ⅱ)求三棱锥P﹣EFG的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
(Ⅰ)求证AP
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
(Ⅱ)求三棱锥P﹣EFG的体积.
![](https://img.xkw.com/dksih/QBM/2012/2/4/1570714832363520/null/STEM/efbd6d44cd814916a50deef003063913.png?resizew=298)
您最近一年使用:0次
12-13高二上·浙江杭州·期中
解题方法
4 . 如图,假设平面
,
,
,垂足分别是
,如果增加一个条件,就能推出
,现有下面4个条件:
①
;
②
与
所成的角相等;
③
与
在
内的射影在同一条直线上;
④
∥
.
其中能成为增加条件的是_____________ .(把你认为正确的条件的序号都填上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0fb4b89a738f9163c9b437d219eeb29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/398a7cdc39e756d8f7f7ee1185579b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da37eece7b995d2e29ff9b265b13390c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdb21011ea821b91d539cb763aac649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8aed88ad640f3d76735f1e5dbc04b23.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fe076b851fa437b76545e8aadb2998.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
③
![](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/5b5858ee1ce52b251816757257a11c29.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
其中能成为增加条件的是
![](https://img.xkw.com/dksih/QBM/2012/1/2/1570671330615296/1570671336013824/STEM/1f6498bf7d92429493da45e6222f481b.png?resizew=298)
您最近一年使用:0次
11-12高一上·广东东莞·期末
5 . 设α,β,γ是平面,a,b是直线,则以下结论正确的是( )
A.若a∥b,a⊂α,则b∥α |
B.若α⊥β,α⊥r,则β∥γ |
C.若α⊥β,α∩β=a,b⊥a,则b⊥α |
D.若a⊥α,b⊥α,则a∥b |
您最近一年使用:0次
10-11高二上·浙江杭州·期中
解题方法
6 . 已知正方体
的棱长为
,点
在线段
上,点
在线段
上,点
在线段
上,且
,
,
,
是
的中点,则四面体
的体积
![](https://img.xkw.com/dksih/QBM/2010/11/9/1569892383760384/1569892388978688/STEM/c68a202485614f22921813350f295e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8456cee87c4e22351affc28f3a73a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4901a7eda97d6a307db76c4fb196ba3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b04fa86e0eed8b66eef1b1ca64ca73c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f6916dda37517e10bba4ce71efe7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37cfd0530c5623a89ec6a6652a367e2e.png)
![](https://img.xkw.com/dksih/QBM/2010/11/9/1569892383760384/1569892388978688/STEM/c68a202485614f22921813350f295e2e.png)
A.与![]() ![]() | B.与![]() ![]() |
C.与![]() ![]() | D.与![]() ![]() |
您最近一年使用:0次
7 . 已知m、n是不重合的直线,α、β是不重合的平面,有下列命题:①若m
α,n∥α,则m∥n;②若m∥α,m∥β,则α∥β;③若α∩β=n,m∥n,则m∥α且m∥β;④若m⊥α,m⊥β,则α∥β.其中真命题的个数是( )
![](https://img.xkw.com/dksih/QBM/2012/9/9/1571008091168768/1571008095961088/STEM/48616f485037465586772a489d561579.png?resizew=16)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2012-09-09更新
|
733次组卷
|
8卷引用:2004 年普通高等学校招生考试数学(文)试题(福建卷)