试题与答案

DBMS的数据控制功能主要是指对数据库的______、______、和______。

题型:填空题

题目:

DBMS的数据控制功能主要是指对数据库的______、______、和______。

答案:

参考答案:安全性控制 完整性控制 并发控制 数据库恢复

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题型:填空题

单词拼写

1. The Chinese nation has a fine tradition of r_____ elderly people.

2. Tina has made good preparations for this final exam. T_____ , it may not be difficult for her to pass it.

3. You'd better give several examples to s _____ your idea to make it convincing.

4. Confucius, an ancient Chinese wiser, said that it's such a great d_____  to have friends from far away.

5. The 16th Asian Games, whose t             is "Thrilling Games, Harmonious Asia", is considered as the

   best ever held.

6. John is an _____  (运动的) boy. He is good at running, jumping, and playing football.

7. My blog has already received thirty _____  (评论) since I posted my thoughts about

   life in the future yesterday.

8. The spokesman of the Foreign Ministry _____  (宣布) the news to the reporters waiting in the hall.

9. As we all know, the United Kingdom _____  (组成) of Great Britain and Northern Ireland.

10. The waterworks should be built at the middle or lower reaches of the river to avoid _____   (污染)

the water source.

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