题目内容

Our city is no longerit was ten years ago, it was quite dirty and noisy.

A. what; which
B. that; which
C. what; when
D. that; where

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【C16】

A. education
B. sleep
C. exercise
D. rest

When multiple routers are used in interconnected networks,the routers exchange information

A. destination addresses
B. IP addresses
C. work addresses
D. router addresses

【C17】

A. generous
B. honest
C. friendly
D. modest

软件工程概念的提出是由于（15）。

A. 计算技术的发展
B. 软件危机的出现
C. 程序设计方法学的影响
D. 其他工程科学的影响