Jack is very clever. He often comes up with ( thinks of ) new ideas.

18.set aside替换save

Some students think that they should set aside some of their pocket money for books. (2004天津卷)

19.be of + n. 替换adj.

The products are of high quality (very good ) and are sold everywhere in China.

20.refer to 替换talk about/of, mention

The professor you referred to (talked about ) is very famous.

21.can not but / can not help but替换have to do

I could not but (had to) go home.

22.more often than not替换usually

More often than not (Usually), the meaning of many words can be easily guessed.

23.lest替换so that /in order that

I wrote down his telephone number so that I would not forget it. →

I wrote down his telephone number lest I (should) forget it.

24.be long for sth. / be long to do sth. 替换want to do sth./wish for

I want to see you very much. →

I am long to see you.

25.be caught up in/be crazy about/be absorbed in/be addicted to替换be interested in

He is caught up in ( very interested in ) collecting stamps.

26.more than替换very

① I’m very glad to learn that you are coming in September. →

I’m more than glad to learn that you are coming in September. ( NMET 2003 )二.高级句型结构

◆ It句型

① It will be + some time + before…

It won’t be long before humans visit the Mars.

② It is + adj./n.+ for sb to do sth.

It is very important for us to learn computer well, because it has changed our life so much.

He said since it was a new model in China, it was impossible to fix it without the right spare parts.(2008年湖北卷)

③ It is + 被强调部分 + that…

1) It is what Yang Liwei has done that encourages us a lot.

2) Those who like reading extensively say it is through reading that we get our knowledge.

◆ more …than any other 表示最高级

Among the optional courses, spoken English and computer study are more popular than any one else.　◆ 名词从句