单项选择题

原型化方法是软件开发中一类常用的方法，它与结构化方法相比较，更需要

A．明确的需求定义
B．完整的生命周期
C．较长的开发时间
D．熟练的开发人员
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单项选择题
软件测试是软件开发的重要环节，而进行软件测试的目的是
A．证明软件错误不存在
B．证明软件错误的存在
C．改正程序所有的错误
D．发现程序所有的错误
单项选择题
Chang, Tian and An are three users of the system. Chang and An are in the same group. Tian is a Super User. Which of the following rights is inconsistent with the given policies
Chang, Tian and An are three users of the system. Chang and An are in the same group. Tian is a Super User. Which of the following rights is inconsistent with the given policies
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