1 |
x2-3x+2 |
1 |
x2-3x+2 |
1 |
4 |
1 |
x2-3x+2 |
1 |
x2-3x+2 |
1 |
x2-3x+2 |
1 |
4 |
1 |
4 |
1 |
4 |
a |
b |
a |
b |
a |
b |
a |
a |
a |
A.0 | B.1 | C.2 | D.3 |
1 |
a |
1 |
b |
A.1 | B.2 | C.3 | D.4 |
A.空间中三点确定一个平面 |
B.一条直线和平面内的两条直线垂直,则这条直线和平面垂直 |
C.已知直线a∥直线b,直线a与平面α不平行,则b⊂α |
D.直线a和平面α相交,则α内有无数条直线和a垂直 |
© 2017-2019 超级试练试题库,All Rights Reserved.