a |
b |
a |
b |
a |
b |
a |
b |
A.150° | B.90° | C.60° | D.30° |
a |
b |
a |
b |
a |
b |
a |
b |
a |
a |
b |
b |
a |
b |
a |
a |
b |
b |
a |
b |
3 |
a |
b |
12 |
3 |
a |
b |
a |
b |
a |
a |
b |
b |
(
| ||||||||
|
|
3 | ||||
|
1 |
2 |
a |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
A.(-2,+∞) | B.(-2,
| ||||
C.(-∞,-2) | D.(-2,2) |
b |
a |
c |
a |
b |
c |
a |
a |
b |
a |
b |
a |
b |
a |
b |
a |
a |
b |
© 2017-2019 超级试练试题库,All Rights Reserved.