though he is friendly in general.

8．A new approach to teaching languages was put forward

at the meeting last week.

9．These colors will not last if they are exposed to

the sun.

10．Scientists now link certain types of cancer to the

amount of junk food that people eat.

Ⅲ.完成句子

1．To prevent this from happening again，he suggested

the source of all the water supplies be examined

(所有的水源都要经过检测)．(examine)

2．The water companies were instructed not to expose

people to polluted water any more(不能再让人们接

触被污染的水)．(expose)

3．Yet Copernicus' theory is now the basis on which

all our ideas of the universe are built(我们的宇宙

观赖以建立的基础)．(basis)

Ⅳ.模仿造句

1．It seemed that the water was to blame.

[翻译]我们不知道该怪谁。

We don't know who is to blame.

2．A woman liked the water from the pump so much that

she had it delivered to her house every day.

[翻译]我们刚才请人把机器修好了。

I had the machine mended just now.

3．Only if you put the sun there did the movements of

the other planets in the sky make sense.

[翻译]我只有找到了工作才有足够的钱上学。

Only if I get a job will I have enough money to

go to school.

4．They believed God had made the world and the earth

must be the centre of the solar system.

[翻译]那不是解决问题的唯一办法，肯定有另外的办法。

That can't be the only way. There must be other

ways of solving the problem.

5．He placed a fixed sun at the centre of the solar

system with the planets going round it.

[翻译]在亚洲的某些地方，你坐着时你的脚不能朝向别人。

In parts of Asia you must not sit with your feet

pointing at another person.

知 识 要 点 整 合