问题 单项选择题

对于下面列出的任务,其中总体设计的主要任务是
  Ⅰ将系统或子系统分解为各个模块
  Ⅱ确定各个模块间传送的数据及其调用关系
  Ⅲ评价并改进模块结构的质量
  Ⅳ将多个模块合并为一个系统

A.Ⅰ

B.Ⅱ

C.ⅠⅡ和Ⅲ

D.全部

答案

参考答案:C

解析:【命题目的】本题考查总体设计的主要任务。
【解题要点】总体没计的主要任务是要确定软件的整体结构,其具体任务是:将系统 或子系统分解为各个模块;确定各个模块间传送的数据及其调用关系;评价并改进模块 结构的质量。

单项选择题

The "standard of living" of any country means the average person’s share of the goods and services which the country produces. A country’s standard of living, (1) , depends first and (2) on its capacity to produce wealth." Wealth" in this sense is not money, for we do not live on money (3) on things that money can buy. "Goods" such as food and clothing, and "services" such as transport and " (4) ". A country’s capacity to produce wealth depends upon many factors, most of (5) have an effect on one another. Wealth depends (6) a great extent upon a country’s natural resources. Some regions of the world are well supplied with coal and minerals, and have a fertile soil and a (7) climate; other regions possess none of them.

Next to natural resources (8) the ability to turn them to use. China is perhaps as well (9) as the USA in natural resources, but suffered for many years from civil and (10) wars, and (11) this and other reasons was (12) to develop her resources. (13) and stable political conditions, and (14) from foreign invasion, enable a country to develop its natural resources peacefully and steadily, and to produce more wealth than another country equally well (15) by nature but less well ordered.

A country’s standard of living does not only depend upon the wealth that is produced and consumed (16) its own borders, but also upon what is indirectly produced through international trade. (17) , Britain’s wealth in foodstuffs and other agricultural products would be much less if she had to depend only on (18) grown at home. Trade makes it possible for her surplus manufactured goods to be traded abroad for the agricultural products that would (19) be lacking. A country’s wealth is, therefore, much influenced by its manufacturing capacity, (20) that other countries can be found ready to accept its manufactures.

8()

A.comes

B.come

C.coming

D.came

单项选择题