词汇运用。

     I have a (1)______(好) friend. His name is Peter. He is in China with his two (2)______(叔叔). He

is practicing (3)______(说) Chinese. His father is a doctor and his mother is a (4)______(经理). We

study in Beijing Sunshine Secondary School. We (5)______(在) in the same class. He sits in (6)______(前面) of me. He likes music (7)______(所以) he has got many CDs. He likes (8)______(听) to music

very much. He likes playing table tennis, (9)______(也). After school we often play table tennis in the

(10)______(体育馆). He plays football very well.

1._____ 2._____ 3._____ 4._____ 5._____

6._____ 7._____ 8._____ 9._____ 10._____

在关系数据库设计中，设计关系模式是下面哪个阶段的任务______。

A) 逻辑设计
B) 概念设计
C) 需求分析
D) 物理设计