7.His father is busy doing some research 　　　　　how to protect the river.

答案:on

8.What can you see 　　　　　the bottom of this page?

答案:at

四、完成句子

1.你应该把我说的记在心里。

You should 　　　　　　　　　　　　　　　what I said.

答案:keep in mind

2.不允许雇主性别歧视。

Employers are not allowed to discriminate 　　　　　　　　　　　　　　　 　　　　　sex.

答案:on the basis of

3.通常来说,在英国妇女挣钱比男子快。

　　　 　　　　　　　　　　　　　　　　,women earn money faster than men in the UK.

答案:As a general rule

4.许多人倾向于认为越有钱,他们就越感到幸福。

Many people tend to think that 　　　　　　　　　　money they have,　　　　　 　　　　　　 they feel.

答案:the more;the happier

五、阅读理解

　　At Harton College-an English boarding school for boys,there are many rules.Fifteen-year-old Bob Sanders often breaks them.

The boys can go into the town in the afternoon after class.But they must return to the school at six o'clock.One afternoon Bob walked to the town.He looked at the shops and then went to the