选修3 Unit Ⅰ.用所给单词的适当形式填空
1．Everyone was a bit________(puzzle)by her sudden departure.
2．I consider that it is________(harm) for students to play computer games，though some of them don't think so.
3．Some believe in the________(exist)of life on Mars，while others consider it as a myth.
4．It's________(like)him to be late；he's usually on time.
5．I could feel the wind________(gentle) blowing through my hair，it was a warm summer breeze.
6．Not all people are aware of the various effects of________(globe)warming on Earth.
答案：1.puzzled 2.harmful 3.existence 4.unlike 5.gently
6．global
Ⅱ.短语填空
go by，prevent from，as if，cheer up，break out，now that，get close to，depend on，get the hang of，in time
1．The government took immediate measures and the disease was____________spreading.
2．Our success____________whether everyone works hard.
3．It was difficult for the helicopters to____________the roof of the building because of the heavy smoke.
4．He____________at once when I promised to help him.
5．They got to the airport by taxi just____________for their flight.
6．____________you've passed your test，you can drive on your own.
7．Press the button when the light goes on，and you'll soon____________it.
8．A fighting between the two friends____________，ending the friendship kept for many years.
9．She felt____________she were floating in the air.
10．It was foolish of him to let the chance____________.
答案：1.prevented from 2.depends on 3.get close to
4．cheered up 5.in time 6.Now that 7.get the hang of
8．broke out 9.as if 10.go by
Ⅲ.完成句子
1．There ________(存在) a close relationship between families and their milkmen.
2．The cinema she used to visit________________(被拆除了)．
3．Brian usually gets home____________(及时) to bathe the children.
4．Larry has a back injury that may________________(阻止他) playing in tomorrow's game.
5．The elevators in this building______________(总出故障)．
6．________________(我们不可能) to get there in time.
7．Her ring is________________(是我的两个大) mine.
8．____________(既然) they have computers，it becomes easier to deal with the problems.
答案：1.existed 2.had been pulled down 3.in time
4．prevent him from 5.are always breaking down
6．It's impossible for us 7.twice as big as 8.Now that
Ⅳ.单元考点作文串记
(一)根据提示翻译句子
1．在这条河流的两岸有(exist)许多重工厂(plant)。
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2．有些已经对环境造成损害(harm)。
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3．去年，有家工厂曾经发生剧烈的(violently)爆炸。
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4．当地人们都陷入到巨大的恐慌中。
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5．听到已经及时(in time)采取措施阻止(prevent)污染的进一步恶化的消息，他们都感到兴奋(cheer up)。
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6．有可能(there is a chance that)明年这些重工厂要搬走。
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(二)加入适当过渡词，联句成篇
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答案：
(一)1.There exist many plants along the river.
2．Some of the plants have done great harm to the environment.
3．Last year，one of them exploded violently.
4．The local people got into a great panic.
5．Hearing that some measures had been taken in time to prevent the pollution from getting bad to worse，they all cheered up.
6．There is a chance that these plants will be moved next year.
(二)参考范文：
There exist many plants along the river，some of which have done great harm to the environment.Last year，one of them exploded violently；as a result，the local people got into a great panic.Hearing that some measures had been taken in time to prevent the pollution from getting bad to worse，they all cheered up.More importantly，there is a chance that these plants will be moved next year.