问题 单项选择题

结构化分析方法是面向( )的自顶向下、逐步求精进行需求分析的方法。

A.对象

B.数据结构

C.数据流

D.目标

答案

参考答案:C

解析: 结构化分析方法是面向数据流进行需求分析的方法,采用自顶向下、逐层分解,建立系统的处理流程,以数据流图和数据字典为主要工具,建立系统的逻辑模型。

完形填空

第二卷(非选择题共35分)

第四部分:写作(共两节,满分35分)

第一节短文填词(共10小题;每小题1分,满分10分)

阅读下面短文,根据以下提示:1)汉语提示,2)首字母提示,3)语境提示,在每个空格内填入一个适当的英语单词,并将该词完整地写在右边相对应的横线上。所填单词要求意义准确,拼写正确。

All of us understand the importance of the eyes. But how to

protect eyesight still       (仍旧是) a question among                      76._____________

(我们)students. If you want to take care of your eyesight,           77._____________

you must pay a     to the following points. Firstly, you                        78._____________

should not use your eyes continuously for long periods.                             79.______________

you have read for a long time, about one hour or so, you t      a          80._____________

rest by        at something more distant. Secondly, you should           81._____________

keep your book about a       (英尺) away from your eyes when          82._____________

you read it. You should also keep in m      , “Don’t read in dim light      83._____________

or      the sun; don’t read in a moving bus or in bed.” Doing                 84._____________

eye exercises regularly will help you keep good eyesight. If you            85._____________

to keep these rules, you will become short-sighted someday.

多项选择题