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问题 单项选择题

所有的用户需求必须与（）一致。

A、功能需求

B、系统需求

C、产品需求

D、业务需求

答案

参考答案：D

选择题
What _____ your father _____? He's a writer.

A. did, did
B. did, do
C. do, do
D. does, do
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选择题

Whatever we do should _____ the environment. [ ]

A. contribute for protecting

B. contribute to protect

C. contribute to protecting

D. contribute in protect

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