a |
b |
c |
b |
c |
π |
4 |
a |
b |
c |
b |
c |
b |
c |
b |
c |
b |
c |
b |
c |
b |
c |
a |
b |
c |
a |
b |
c |
a |
b |
c |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
π |
4 |
π |
2 |
e1 |
e2 |
a |
e1 |
e2 |
b |
e1 |
e2 |
a, |
b |
A.λ=1 | B.λ=2 | C.λ=3 | D.λ=4 |
OA |
AB |
a |
b |
a |
b |
b |
A.3 | B.-1或3 | C.-1 | D.3或-1 |
a |
b |
a |
b |
A.
| B.
| ||||||||||||
C.
| D.(
|
a |
b |
3 |
a |
b |
A.θ=
| B.θ=
| C.θ=
| D.θ=
|
© 2017-2019 超级试练试题库,All Rights Reserved.