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问题 单项选择题

下列工具中为需求分析常用工具的是( )。

A．PAD

B．PFD

C．N-S

D．DFD

答案

参考答案：D

解析： 需求分析常用的工具有数据流图(DFD)、数据字典 (DD)、判定树和判定表。PAD(问题分析图)、PFD(程序流程图)、N-S(盒式图)都是详细设计的常用工具，不是需求分析的工具。

完形填空

根据短文内容及首字母提示完成短文。（每空一词，共l0题，每题l分，计l0分)

Happiness is for everyone. In f 小题1:, happiness is always around you if you put your heart into it. When you are in t 小题2:at school, your friends will help you; when you study hard at your lessons, your parents are always taking good c 小题3: of your life and your health; when you get s小题4:, your friends will congratulate you; when you do something w小题5:, people around you will help you to correct(纠正) it. And when you do something good to o小题6:, you will feel happy, too. All these are your happiness. If you notice a bit of them, you can find that happiness is always around you. Happiness is not the s小题7: as money, it's a feeling of your heart. When you are p 小题8: , you can also be very happy, because you have something else that can't be bought with money. When you meet with difficulties, you can say loudly you are very happy, because you have more chances to challenge(挑战) y 小题9: . So you cannot always say you are poor and you have bad luck. If you take every chance you get, you can be a happy and l 小题10:  person .
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单项选择题

三国演义中曹操曾叹道：“狮儿难与争锋”!请问曹操这句话评价的是谁（）

A.吕布

B.孙策

C.马超

D.曹彰
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