市场调查方法按照调查方式划分，有______。 A．市场需求调查、销售渠道调查、竞争

Believe yourself! You are _____ to decide how to do it by yourself.[ ]

A. enough old

B. old enough

C. young enough

D. older enough

There is __________ "s" and __________ "u" in the word "student".[ ]

A. a; a

B. an; an

C. a; an

D. an; a

—Alice, you are going shopping this afternoon, aren't you? Anything special in your mind?

—Nothing       ________. I just haven't done shopping for a long time.

A．in addition

B．in particular

C．in advance

D．in hand

重睑成形术的并发症有哪些？

（）自收到查单之日起计算，应在查单上分别填列该查单收到和寄发日期，作为查考依据。

A.收寄局

B.经转局

C.投递局

D.封发局