Please call me _____9543526. [ ]
A. in
B. of
C. at
D. on
答案：C
—What do you think about the new teacher?
—________ the new teacher is an elegant lady, she can be extremely difficult to work with.
A．As if
B．As long as
C．Because
D．While
液力联轴器的难燃液由什么成分组成？
