题目内容

(2012年下半年)The Systems Development Life Cycle(SDLC)is a process of creating oraltering information systems， and the models and methodologies that people use to developthese systems．Sequential SDLC models， such as(72)， focus on complete and correctplanning to guide large projects and risks to successful and predictable results.

A. Waterfall
B. Extreme Programming
C. Spiral
D. Rapid Prototyping

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