__________ your teacher’s advice, I thin

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问题选择题

__________ your teacher’s advice, I think, and the problems could be settled.

A．Follow

B．Following

C．Followed

D．Follows

答案

答案：A

补全对话，情景问答

从E栏中找出与I栏相对应的答语。

( ) 1. Where were you at 9：00 a. m. yesterday？

( ) 2. Are you scared of dogs?

( ) 3. What was your uncle doing this time yesterday?

( ) 4. When did you start swimming?

( ) 5. What happened while Mom was cooking？

( ) 6. How long have you been collecting stamps?

Ⅱ

A. He was watching traffic on the road.

B. Tom broke the glass.

C. I was at the train station.

D. Not really.

E. When I was 7 years oldF. For 3 days.

单项选择题

将如下E-R图转换成关系模型，应转换成多少个关系模式

A．1个

B．2个

C．3个

D．4个