结构化分析和设计方法是信息系统开发时常用的工程化方法，按其生

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问题单项选择题

结构化分析和设计方法是信息系统开发时常用的工程化方法，按其生命周期特征，它应属于

A．螺旋模型

B．瀑布模型

C．喷泉模型

D．混合模型

答案

参考答案：B

解析：【解析】结构化分析和设计方法属于瀑布模型。

填空题

根据汉语提示写出单词

1. I don't think the watch gives you good __________(价值) for your money.

2. The tourists had no __________(选择) but to wait for the next train.

3. -Have you read today's morning paper?

-Not yet. What's the __________(最新的) news about the hand-foot-mouth disease'?

4. -Our class has won the first place of the __________(友谊) basketball match.

-Congratulations. I was impressed by the __________(表演) of your team.

5. We should make our hometown a more __________(自然的) environment to let more people come.

6. Her English teacher's words have __________(激励) her a whole life.

7. They spent a whole day finishing the __________(必要的) job.

8. __________(医疗的) workers are badly needed in those earthquake-hit areas.

名词解释

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