1．Finally, rising sea levels and drought caused by global warming could ____________ large migrations.

　　答案：result in

　　2．He has ____________ the language barrier.

　　答案：got over

　　3．So why is nature beginning to ____________ us?

　　答案：turn on

　　4．The whole future of the company is____________.

　　答案：at risk

　　5．Science is a wonderful thing if one does not have to____________ at it.

　　答案：earn one's living

　　Ⅲ.完成句子

　　1．Our school ________________________ in the last few years.

　　我们的学校最近几年发生了许多巨大变化。

　　答案：has seen many great changes

　　2．The dusk ________________________ in the street.

　　黄昏时，一个小男孩在街上哭。

　　答案：saw a little boy crying

　　3. ______________________________________________ ，the room was lively.

　　这么多孩子又说又笑，房间里充满了生机。

　　答案：With so many children laughing and talking

　　4．He stood there ________________________ on the floor.

　　他站在那儿眼睛盯着地板。

　　答案：with his eyes fixed

　　5．With a nurse ________________________， he was able to go to work.

　　要有护士照顾他生病的母亲，他就能够上班了。

　　答案：to look after his sick mother

　　Ⅳ.单句语法填空(不多于3个单词)

1． I borrowed the book Sherlock Holmes from the library last week