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举一反三
【单选题】Passage Three Questions 17 to 20 are based on the passage you have just heard.
A.
It’s not normal.
B.
It’s nothing serious.
C.
It’s understandable.
D.
It’s permanent.
【单选题】which determines the actions performed by or to each class or subclass and presents this information in the form of（） A．activity diagram B．component diagram C．sequence diagram D．state diagram
A.
Object-oriented analysis （OOA） is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is（）.It determines how the various results are computed by the product and presents this information in the form of a（）and associated scenarios. The second is（）, which determines the classes and their attributes, then determines the interrelationships and interaction among the classes. The last step is（）, which determines the actions performed by or to each class or subclass and presents this information in the form of（）.
【单选题】适用于项目事先不能完整定义产品所有需求，计划多期开发的软件生命周期模型是（） A．快速原型开发 B．快速创新开发 C．瀑布模型 D．迭代模型
A.
在常见的软件生命周期中，适用于项目需求简单清楚，在项目初期就可以明确所有需求，不需要二次开发的软件生命周期模型是（）；适用于项目事先不能完整定义产品所有需求，计划多期开发的软件生命周期模型是（）。