问题
单项选择题
Software design is a (66) process. It requires a certain (67) of flair on the part of the designer. Design can net be learned from a book. It must be practiced and learnt by experience and study of existing systems. A well (68) software system is straight forward to implement and maintain, easily (69) and reliable. Badly (68) software systems, although they may work are (70) to be expensive to maintain, difficult to test and unreliable.
70（）
A．like
B．likely
C．unlike
D．unlikely
答案
参考答案：B
解析：
(参考译文)软件设计是一个创造性的过程，它需要大量设计者的才能。设计从书本里是学不到的，它必须通过实践，从经验中学习，并且对现有的系统研究才能掌握。一个设计很好的软件系统易于实现、易于维护，而且容易理解和可靠性强。设计不佳的软件系统，尽管他们可能维护代价昂贵，但是却难以测试，并且可靠性差。