Section1
7 M* i; y* x5 _2 f) ?0 V2 q' l! Y 上期复习# c% e& ^2 @6 B0 n0 m
The workers were glad to hear that their new pay increases were retroactive to the beginning of the previous month.
+ a; H) o$ [4 a4 O (从过去的某个时间开始起)生效。
3 Z, `& ]0 m# O8 h, @. h: L Section28 t2 u5 s( H$ l4 A- S
The experts were hired to enhance the computer system so that it could prepare additional types of reports.9 B- S# I) W/ f" V, t7 l- l, S
(Hint: Could the computer already do everything needed?)/ _7 e) [2 F. ^( r: ?7 u
请选择true or false:. i$ [9 i F0 j
1．T/ F
5 ]3 b# l F! @3 x' N The computer system was removed and a new one installed.4 U, ~. w+ E0 ]' m# @. h
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发表于 2012-8-15 00:34:18
