问题
单项选择题
数据管理经过发展,目前主要采用的管理技术是______。
A.人工管理
B.文件管理
C.系统管理
D.数据库管理
答案
参考答案:D
解析: 本题考查的知识点是数据库管理技术的发展。数据管理经历了人工管理、基于操作系统文件的管理等阶段,目前主要采用数据库技术实现数据管理。因此答案为D。
数据管理经过发展,目前主要采用的管理技术是______。
A.人工管理
B.文件管理
C.系统管理
D.数据库管理
参考答案:D
解析: 本题考查的知识点是数据库管理技术的发展。数据管理经历了人工管理、基于操作系统文件的管理等阶段,目前主要采用数据库技术实现数据管理。因此答案为D。
阅读理解。 |
It's two weeks before Christmas in England and Mrs Smith is very busy. She buys a lot of Christmas cards to send her friends and to her husband's friends. She puts them on the table in the room. Then, when her husband comes home from work, she says to him,"These are the Christmas cards for your friends. Could you please write the cards and I cook supper?" Mr Smith doesn't say anything and walks into his study room, after a while, he comes with a box full of Christmas cards. He puts them on the table and says, "They are from last year. I forgot to send them." |
1. Which season is it now? |
[ ] |
A. spring B. summer C. autumn D. winter |
2. What does Mrs Smith buy before Christmas? |
[ ] |
A. Many presents. |
3. Why does Mrs Smith buy Christmas cards? |
[ ] |
A. She wants to give them to her husband. B. She likes them very much. C. She wants to give them to her friends. D. She wants to sell them. |
4. What does Mrs Smith want her husband to do? |
[ ] |
A. She wants him to buy some more cards. B. She wants him to send the cards. C. She wants him to cook supper. D. She wants him to write the cards. |
5. From the passage we know that ______. |
[ ] |
A. Mr Smith is very careful. B. Mr Smith writes the cards at once C. Mr Smith has many cards from his friends D. Mr Smith is careless |