问题 单项选择题

在如图9-8所示的数据库系统(由数据库应用系统、操作系统、数据库管理系统、硬件四部分组成)层次示意图中,数据库应用系统的位置是


图9-8 数据库系统层次示意图

答案

参考答案:D

解析: 由里到外分别为硬件、操作系统、数据库管理系统、数据库应用系统。数据库应用系统是利用数据库管理系统开发出来的面向某一类实际应用的软件系统,数据库管理系统是OS支持下的系统文件。

阅读理解

Mother’s Day is a holiday for mothers. It is celebrated in the United States, England, India and some other countries. In a short time, it becomes widely celebrated. Mother’s Day falls on the second Sunday in May. On that day, many people send gifts of love to their mothers, those whose mothers are still living often wear a pink or red rose or carnation, while those whose mothers are dead wear a white one.

The idea of a Day for mothers was first given by Miss Anna Jarvis of Philadelphia. As a result of hard work, the celebration of the first American Mother’s Day was held in Philadelphia on May 10th, 1908. Soon the holiday became popular all over the country and all over the world.

In China, people do the same or the day for mothers, and in some cities, people sometimes ask a song to be broadcasted for his or her mother only. This might cost a little money for some of them. But it is said “Love is invaluable.”On May 8, 1999, just the day before the Mother’s Day, this year, just a Chinese mother was killed in criminal bombling. Her name is Shao Yunhuan, a heroic mother. All the Chinese will remember her forever.

小题1:Mother’s Day ________________________.

A. is a holiday for mothers.

B. is celebrated in the United States only.

C. falls on May 10th every year.

小题2:What was the date of the Mother’s Day this year in the passage?

A. May 7, 1999

B. May 8, 1999

C. May 9, 1999

小题3:On Mother’s Day, people ______________.

A. wear a pink or red rose or carnation

B. wear a white flower

C. send gifts of love to their mothers.

小题4:“Love is invaluable ” Here the word “invaluable” means _________.

A.美好的

B.无价的

C.永恒的

小题5:Maybe you have known the criminal bombing, which of the following ideas do you agree to ?                

A. Shao Yunhuan is a great mother.

B. A Chinese mother is the same as an American mother.

C. Both A and B

单项选择题