在空间中,给出下列命题:其中真命题是( )
A.分别和两条异面直线AB、CD同时相交的两条直线AC、BD有可能相交 |
B.同时与两条异面直线垂直的两直线不一定平行 |
C.垂直于三角形两边的直线必垂直于第三边 |
D.有三个角为直角的四边形是矩形 |
更新时间:2022-11-25 21:32:37
|
相似题推荐
单选题
|
较易
(0.85)
真题
名校
【推荐1】若空间中四条直线
、
、
、
,满足
、
、
,则下列结论一定正确的是.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f2813ee8f26cca880b6427f5f545d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd3c5fed85627a84c058d93151aa99a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7d29a3751dd4665d6ade19d235dc34.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,长方体
的12条棱中与
异面的共有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/12/1c0919e9-412e-421a-b795-09d5dd5c07bc.png?resizew=243)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/12/1c0919e9-412e-421a-b795-09d5dd5c07bc.png?resizew=243)
A.4条 | B.5条 | C.6条 | D.7条 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐1】已知
,
是空间中两条不同的直线,
,
是空间中的两个不同的平面,若
,
,
,则
,
一定( )
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675f1e09eb033dab8ef96d1f1c349150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f3aca2f1993d5e94255454c5f82a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.平行 | B.相交 | C.异面 | D.垂直 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
解题方法
【推荐2】平行四边形ABCD中,
,将三角形ABD沿着BD翻折至三角形
,则下列直线中有可能与直线
垂直的是( )
①直线
;②直线
;③直线
;④直线
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b9199a3de404cb13ae7710f73db5c8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd148d264bc9043396f777523e907aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e663220a66eff19da6a71e46b397db2e.png)
①直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb97aff0960e2640314888a38e7169c.png)
A.①② | B.①④ |
C.②③ | D.③④ |
您最近一年使用:0次