利润指施工企业所承包工程获得的盈利。利润依据（）计算。
A．不同投资来源
B．不同专业类别
C．施工企业等级
D．工程投资规模
参考答案：B
-- Where are the_____?-- They are on the desk.
A．book
B．pens
C．map
D．water
The result of the football match was 2 to 2, _____ the satisfaction of both teams.[ ]
A. with
B. for
C. at
D. to
