题目内容

喷泉模型的优点是()。

A. 各个阶段可以同步开发
B. 增大了投资的早期汇报
C. 减少了软件需求不明确带来的开发风险
D. 降低了在一个增量上的开支风险

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We believe that an explosive device had been left inside a ___________.

A. contain
B. contained
C. contains
D. container

Store the peppercorns in an airtight ___________ and grind the pepper as you need it.

A. contained
B. contain
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D. containers

There is always a strange ___________ of runners in the London Marathon.

A. collecting
B. collect
C. collection
D. collections

Your suit will be ready for _____________ on Tuesday.

A. collection
B. collections
C. collect
D. collects

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