单选题：2002 saw a great improvement in profits before tax but the

题目内容：

2002 saw a great improvement in profits before tax but the company's profit margins remained unchanged at the end of the company.

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答案解析：

You need to get copies of the CVs of three members of staff

You need to get copies of the CVs of three members of staff.

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当前微机上运行的Windows属于（　　）。A．批处理操作系统 B．单任务操作系统 C．多任务操作系统 D．分时操作系统

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听录音，回答以下问题：Michelle has got a job to manage __________A．a depaartment of the R

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The passage tells US that． A．sugar is bad for the．health B．the use of sugar i

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十进制整数75转换成无符号二进制整数是（　　）。A．01000111 B．1001011 C．01011101 D．01010001

分类：初级题型：单选题