问题
单项选择题
______ Development is a structured design methodology that proceeds in a sequence from one phase to the next.
A．Waterfall
B．Phased
C．Prototyping
D．Parallel
答案
参考答案：A
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______ Development is a structured design methodology that proceeds in a sequence from one phase to the next.
A．Waterfall
B．Phased
C．Prototyping
D．Parallel
参考答案：A