什么是原始记录的三级审查？
参考答案：
原始记录的三级审查是指自己审查、岗位间互相审查、班长审查。
词形变化。
1. Mr. Smith and his family _______ (be) in the park now.
2. Do you go _______ (fish) at the weekends?
3. There are two (library) in our school.
4. On the (five) floor, there are two toilets.
5. Let (I) have a look.
6. Would you like _______ (go) with me?
7. What she usually (eat) for lunch?
8. (not look) out of the classroom.
9.Who ______ (have) a pet in your class?
10.My ball is blue. (She) is yellow.
数据库技术推动了信息管理的发展，把数据仓库、OLAP和数据挖掘结合起来形成更高形式的决策支持系统。（）
