已知△ABC中，
=
，
=
，
＜0，
=
，
=3，
=5，则与的
夹角为 （ ）
| A．30º | B．－150º | C．150º | D．30º或150º |
Is this your dictionary， Jean？
No， it's not mine． It's ．（ ）
| A． |
she |
B． |
her |
C． |
hers |
D． |
herself |
You can impove your English listening to English songs．（ ）
| A． |
by |
B． |
with |
C． |
for |
D． |
in |
"Excuse me， is there a library in your school？"the boy asked me ．（ ）
| A． |
polite |
B． |
politely |
C． |
impolite |
D． |
impolitely |
What do you think of maths， John？
For me， maths is than any other subject．（ ）
| A． |
difficult |
B． |
more difficult |
| C． |
most difficult |
D． |
the most difficult |
Study harder， you won't catch up with your classmates．（ ）
| A． |
or |
B． |
for |
C． |
since |
D． |
although |