— How many girls are there in the room?_爱下问搜题

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问题选择题

— How many girls are there in the room?

— .[ ]

A. None

B. Nobody

C. Nothing

D. Not one

答案

答案：A

选择题

We can not ignore the fact that the cost of consumption articles (消费品) is the first _____ as far as

most ordinary people are concerned.[ ]

A. consideration

B. emergency

C. kindness

D. determination

单项选择题

测定高速血流需要采用的超声技术是（）。

A.CDFI

B.谐波技术

C.CDE

D.连续多普勒

E.脉冲多普勒