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问题 选择题

He wanted to know _____ he  English party.  [ ]

A. when will we have

B. when we will have

C. when would we have

D. when we would have

答案

答案：D

单项选择题

Software design is a (46) process. It requires a certain amount of fl air on the part of the (47) . Design can not be learned from a book . It must be practiced and learnt by experience and study of existing systems. A well (48) software system is straightforward to implement and maintain , easily (49) and reliable. Badly (48) software systems, although they may work are (50) to be expensive to maintain , difficult to test and unreliable.

A．create

B．creative

C．creating

D．created
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问答题 简答题

试述冷油器换铜管的工艺要求。
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