面向具体的应用程序的数据库模式是()。A．外模式 B．内模式 C

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问题单项选择题

面向具体的应用程序的数据库模式是()。

A．外模式

B．内模式

C．模式

D．存储模式

答案

参考答案：A

解析：外模式是面向具体的应用程序的数据库模式，它定义在逻辑模式之上，独立于存储模式和存储设备。

判断题

公安工作是由人民警察以公安机关的名义进行社会行政管理的活动。 ( )

阅读理解

阅读理解。

His name is Paul. He is from England, and he's thirteen years. His birthday is December 16th. He gets

up at 6:00. He goes to school at 7:00. He has four classes in the morning. He does exercises in the afternoon.

He comes home at 5:00. In the evening, he watches TV or reads books. He likes to play on the computer.

His favourite food is hamburgers. He doesn't like meat. On Sunday he goes to the movie theatre.

1. Where is Paul from?

___________________.

2. What does he like to do?

_____________________.

3. What is his favourite food?

_____________________.

4. What does he do on Sunday?

______________________.