在数据存储设计中，支持一类特定应用的数据组织类型常称为
A．文件系统
B．应用数据库
C．主题数据库
D．信息检索系统
参考答案：B
解析： 信息系统数据的组织类型分为：(1)文件系统，仅为一个应用设计，具有较高的性能。(2)应用数据库，支持一组特定的应用，具有较高性能。所以选项B正确。(3)主题数据库，将所有特定主题相关的数据组织在一起，其建立基本上独立于应用。(4)信息检索系统，为信息检索而设计。(5)决策支持系统，基于数据仓库的数据组织方式，支持多维数据结构，面向大量历史数据分析。
A)阅读下面短文，根据所读内容，完成表格，每空一词。（每空1分） Are people less happy or happier when they get older? If your answer is “happier”, then you are right, based on a study published five years ago. It found that people generally become happier and experience less worry after age fifty. In fact, it found that by the age of eighty-five, people are happier with their life than they were at eighteen. The findings came from a Gallup survey of more than three hundred and forty thousand adults in the United States in 2008. At that time, the people were between the ages of eighteen and eighty-five. Arthur Stone in the Department of Psychiatry and Behavioral Science at Stony Brook University in New York led the study. His team found that levels of stress were the highest among adults between the ages of twenty-two and twenty-five. Stress levels dropped sharply after people reached their fifties. Levels of happiness were the highest among the kids and those in their early seventies. The survey also found that men and women have similar emotional patterns as they grow older. However, women at all ages reported more sadness, stress and worry than men did. So why would happiness increase with age? One theory is that, as people get older, they become more thankful for what they have and have better control of their emotions. They also spend less time thinking about bad experiences. Title: Relationship Between Age and 小题1:
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