Section1 7 q% D& y. t; ?+ \' n: |% ~- s/ r上期复习* w; G; E9 u# O6 I( V$ q0 V3 s
The workers were glad to hear that their new pay increases were retroactive to the beginning of the previous month.. j+ O6 i0 `1 K# b
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(从过去的某个时间开始起)生效。- N4 N c9 Y4 b8 ?- k
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Section2 * p1 i3 y' z) V/ YThe experts were hired to enhance the computer system so that it could prepare additional types of reports. $ w' {. G. J. z* |! F: c
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(Hint: Could the computer already do everything needed?) - k. M+ ^4 J4 v9 u( l4 A4 S* F: h ( ^+ v) `4 y4 t5 x$ f- ?* A9 X- Y$ \9 K* N3 R! ]
请选择true or false:! o6 I& j9 o v
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1．T/ F ! b/ ~* `$ G% z( q' \9 s The computer system was removed and a new one installed. ( y' R* Q- i( K' t . L! B( ~ ]" q* Y) j% q7 q) i/ c7 Q3 L
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The original computer system did not do everything the company wanted it to do. 4 h( u7 T+ q9 x7 M/ v8 n
6 v7 A6 O+ r6 I$ j8 q& u- t答案：" Q @! t8 t. K$ }: j+ x6 G. }3 A: z
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1．F 2．T
发表于 2012-8-15 00:34:18
