Section1 - C; T! d, V6 v: t( G% y 上期复习7 }+ ^9 Z0 r2 ]8 O
The workers were glad to hear that their new pay increases were retroactive to the beginning of the previous month.! B: d b8 ^6 D5 S0 e
(从过去的某个时间开始起)生效。% [+ B4 j/ Y2 X8 ^' g
Section2 % E+ z& X& ~3 Z J The experts were hired to enhance the computer system so that it could prepare additional types of reports. 3 `/ u8 o) G' V. f7 l (Hint: Could the computer already do everything needed?)* {8 ?- m4 V/ R/ K7 T' v5 b( l
请选择true or false:3 W+ l8 x( R2 U0 r; E# z% Y
1．T/ F " y5 i t% k' s8 h7 _( W: E! D2 U The computer system was removed and a new one installed., v# W: w$ G# a# n" `% w/ y; v
发表于 2012-8-15 00:34:18
