The penguins are interesting. [ ]
A. kinds
B. kind.
C. kinds of
D. kind of
答案:D
___some of the juice and perhaps you’ll like it.
A.Trying
B.To try
C.Try
D.Having tried
施工成本计划是施工项目成本控制的一个重要环节。一般情况下,施工成本计划总额应控制在( )的范围内。
A.实际成本 B.预算成本 C.固定成本 D.目标成本