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问题 填空题

一个圆柱和一个圆锥等底等高，圆锥的体积比圆柱少______．

答案

由题意知，圆锥的体积是等底等高圆柱的体积的

1
3
，所以：

V柱-V锥，

=V柱-

1
3
V柱，

=

2
3
V柱；

故答案为：

2
3
．

阅读理解

阅读理解。

     Mr White works in a factory in the town. There are not many people in the factory. They make clothes

there. The workers go to work early in the morning. On Saturday and Sunday they' don't go to work. They

stay at home.

     Mrs White cooks for the workers in the factory. She likes cooking. In the middle of the day the workers

have lunch in the factory. They are very friendly. They like the food Mrs White cooks.

1. What is Mr White?

A. He is a worker.

B. He is a cook.

C. He is the manager of the office.

D. He is a teacher.

2. What is Mrs White?

A. She is a worker.

B. She is a cook.

C. She is a cleaner.

D. She is a housewife.

3. Are Mr White and his wife in the same factory?

A. Yes, they are.

B. No, they are not.

C. Yes, they do.

D. No, they don't.

4. What do the workers do in the factory? They make _______.

A. food

B. clothes

C. pens

D. cookers

5. When do the workers have a rest?

A. On Saturday.

B. On Sunday.

C. On Saturday and Sunday.

D. We don't know.

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单项选择题

下面关于软件测试模型的描述中，不正确的包括（）。

①V模型的软件测试策略既包括低层测试又包括了高层测试，高层测试是为了源代码的正确性，低层测试是为了使整个系统满足用户的需求

②V模型存在一定的局限性，它仅仅把测试过程作为在需求分析、概要设计、详细设计及编码之后的一个阶段

③W模型可以说是V模型自然而然的发展。它强调：测试伴随着整个软件开发周期，而且测试的对象不仅仅是程序，需求、功能和设计同样要测试

④H模型中软件测试是一个独立的流程，贯穿产品整个生命周期，与其他流程并发地进行

⑤H模型中测试准备和测试实施紧密结合，有利于资源调配

A．①⑤

B． ②④

C．③④

D．②③
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