在设计程序时，应采纳的原则之一是( )。
A．不限制goto语句的使用
B．减少或取消注解行
C．程序越短越好
D．程序结构应有助于读者理解
参考答案：D
解析：滥用goto浯句将使程序流程无规律，可读性差，因此选项A)不选； 注解行有利于对程序的理解，不应减少或取消，选项B)也不选；程序的长短要依照实际情况而论，而不是越短越好，选项C)也不选。
完形填空(15分) Doctors tell us that holidays are important．We should have a __36__ from work for a week or two weeks every year．If it is possible，they say, we should __37__ our homes and go to other _38__ of the country．We should go away for __39__．Then，after the holidays，we’ll be _40__ and get ready for __41__ again． But some people do not want to leave their homes to __42__ in other places．They do not like a sudden change in their lives．They think their _43__ are best of all．And some people can have a rest in __44__ way．They can go to visit their friends．They can have __45_holidays together．
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