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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
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
admin
2009-05-15
49
问题
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.
选项
A、like
B、unlikely
C、unlike
D、likely
答案
D
解析
软件设计是一个创造性(creative)的过程,它需要设计者(designer)有多方面的本领。你无法在书本上学习如何设计,它需要你不断实践,并在经验中学习,从现有的系统中有所感悟。一个设计(designed用做定语)良好的软件系统易于直接实现并进行维护、易于维护(maintain)并且是非常可靠的。设计较差的系统,即使能够工作,但可能(likely)出现维护成本高、测试困难和不可靠等问题。
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