1 |
2 |
OA |
OB |
A.-
| B.-
| C.-4 | D.无法确定 |
| ||
2 |
1 |
2 |
| ||
2 |
1 |
2 |
OA |
OB |
| ||
2 |
1 |
2 |
| ||
2 |
1 |
2 |
1 |
2 |
1 |
4 |
1 |
4 |
1 |
2 |
|
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
4 |
1 |
4 |
OA |
OB |
1 |
2 |
1 |
4 |
1 |
4 |
a |
b |
b |
a |
b |
a |
b |
3 |
a |
y2 |
3 |
PF1 |
PF2 |
AB |
BC |
BC |
AD |
AB |
AD |
AC |
AD |
AB |
A.-4 | B.0 | C.4 | D.8 |
OA |
OB |
A.
| B.-
| C.3p2 | D.-3p2 |
© 2017-2019 超级试练试题库,All Rights Reserved.