Ø divide...into 把...分开 （把整体分为若干部分）

e.g. The teacher divided the class into two groups.

e.g. The Taiwan Strait separates Taiwan from Fujian.

3. debate about sth.

e.g. They debate about the proposal for three days.

★ debate/argue/discuss/quarrel辩论,争论

【解析】debate就已经确定或统一的问题,各述己见,公开,正式的争论.含交锋的意思；

　　　　argue指提出理由或事实，试图在争辩中说服对方，或促使他人拥护自己倡导的理由或观点；

　　　　discuss指一般讨论,谈论；

　　　　quarrel常指因琐事而感到气愤,进行争吵

【练习】

选择debate/argue/discuss/quarrel或puzzle并用其适当的形式填空

1）The couple are always __________quarreling about the past.

2）Have you _________ the problem with anyone?

3）I _________ with her all day about the situation.

Keys: 1）quarreling 2）discussed 3）argued

4. clarify: vt./vi. (cause sth. to )become clear or easier to understand 澄清；阐明;清楚；明了

e.g. I hope what I say will clarify the situation.

e.g. Can you clarify the question?

5. be linked to = be connected to /be joined to 连接

【习惯用语】★ link A to B 将A和B连接起来

6. refer to

1)提及，指的是......

e.g. When he said "some students", do you think he was referring to us?

2) 参考；查阅；询问

e.g. If you don't understand a word you may refer to your dictionaries.

e.g. Please refer to the last page of the book for answers.

3) 关系到；关乎

e.g. What I have to say refers to all of you.

e.g. This rule refers to everyone.

★ reference: n. 参考

e.g. reference books 参考书

7. to one's surprise (prep)

"to one's + 名词" 表 "令某人......"，

常见的名词有 "delight, disappointment, enjoyment, astonishment 等。

e.g. I discovered, to my horror, that the goods were entirely unfit for sale.

To John's great relief they reached the house at last.