商业托福英语备考资料之词汇篇02
Section1上期复习
The workers were glad to hear that their new pay increases were retroactive to the beginning of the previous month.
(从过去的某个时间开始起)生效。
Section2
The experts were hired to enhance the computer system so that it could prepare additional types of reports.
(Hint: Could the computer already do everything needed?)
请选择true or false:
1．T/ F
The computer system was removed and a new one installed.
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