高三英语(人教版)一轮基础复习：必修三《Unit+4 Astro

Ⅰ.品句填词

A)根据句意及汉语提示，写出所缺单词。

1．It’s ____________ (不像) him to be late；he’s usually on time.

答案：unlike

2．Not all people are aware of the various effects of ____________(全球的) warming on Earth.

答案：global

3．Some believe in the ____________(存在) of life on Mars，while others consider it as a myth.

答案：existence

4．Everyone was a bit ____________(迷惑的)by her sudden departure.

答案：puzzled

5．I consider that it is ____________ (有害的) for students to play computer games，though some of

them don’t think so.

答案：harmful

B)在句中空白处填入适当的内容或括号内单词的正确形式(不多于3个单词)。

6．Whether life will continue on the earth for millions of years to come will depend ____________

whether this problem can be solved.

答案：on

7．“I’m sorry to disturb you，”Webb said ____________(gentle)．

答案：gently

8．Look ! There is something ____________ (float) on the water.

答案：floating

9．He failed in the exam and I didn’t know how to cheer him____________．

答案：up

10．After Yang Liwei succeeded in circling the earth，____________ our astronauts desire to do is

walk in space.

答案：what

Ⅱ.选词填空 用方框中短语的适当形式完成下列句子。

as far as；watch out；in time；give birth to；break out；in one’s turn；blocks out；now that；get the hang of；cheer up

1．Don’t worry—I’m sure things will get better ____________．

答案：in time

2．We congratulated her on __________ a fine healthy baby.

答案：giving birth to

3．Class Three should be responsible for raising the red flag this week____________．

答案：in its turn

4．The wall ____________ all the light.It should be pulled down.

答案：blocks out

5．She told her child to ____________ when crossing the street.

答案：watch out

6．Using the computer isn’t difficult once you __________ it.

答案：get the hang of

7．____________ you are grown up，you should not rely on your parents.

答案：Now that

8．Should another world war ____________，what would become of human beings? 答案：break out

9．The crowd ____________ when they saw the teams arrive.

答案：cheered up

10．I’ll go with you ____________ the station for company.

答案：as far as

Ⅲ.完成句子 运用所学词汇或句型完成下列句子。

1．Once he has made up his mind，no one can ____________________(阻止他执行)the plan.

答案：prevent him from carrying out

2．—Mary looks a little unhappy today.

—Yes.We must do something to ____________________(使她振作起来)．

答案：cheer her up

3．Before ____________________(战争爆发)，many people put away safe places possessions they

could not take with them.

答案：the war broke out

4．Will you be home____________________(及时看看孩子)before they go to bed?

答案：in time to see the children

5．You’ve made me suffer in the past，so now you，____________________(轮到你了)，suffer again!

答案：in your turn

Ⅳ.词语串练 根据汉语提示完成下列短文。

Where there exists a nuclear ____1____，____2____it can ____3____environment.The nuclear

leakage ____4____in Japan in 2011.People in the world ____5____a panic.____6____that some measures

were taken ____7____to prevent it from getting bad to worse，we all ____8____．

有核电站的地方，核电站就有可能对环境造成损害。2011年，在日本发生了核泄漏事件，全世界人们都陷入恐慌中。听到已经及时采取措施并阻止了事件进一步恶化，我们都感到兴奋。

答案：1.power station 2.there is a chance that 3.do harm to

4．broke out 5.got into 6.Hearing 7.in time

8．cheered up

Ⅴ.课文语法填空

阅读下面课文缩写材料，在空白处填入适当的内容或括号内单词的正确形式(不多于3个单词)。

The earth was just ______1______ cloud of dust after the“Big Bang”．The earth exploded loudly

with fire and rock.______2______ were in time to produce many things，which were to make the earth’s

atmosphere.As the earth cooled down，water began to appear on ______3______ surface.It allowed the

earth to dissolve ______4______(harm)gases.Then life began to develop.

Small plants multiplied and filled the first oceans and seas with oxygen.This encouraged

the ______5______(develop)of early shellfish and nd animals such ______6______ insects，reptiles

and dinosaurs appeared after green plants appeared.Small clever animals spread all ______7______ the

earth.They are putting too much carbon dioxide into the atmosphere，______8______ prevents heat from

escaping from the earth into space.______9______ life will continue on the earth for millions of years to

come will depend on whether this problem can ______10______(solve)．

答案：1.a 2.They 3.its 4.harmful 5.development 6.as 7.over 8.which 9.Whether 10.be

solved

[写作素材]

1．恐龙在地球上存活了好多年。

2．他们生下小恐龙，温暖的气候使他们迅速繁殖。 3．可惜，他们未能制止自己的消失。

4．此后人类就开始统治这个地球。

提示：黑体部分用本单元词汇表达。

[连句成篇](将以上句子连成一篇50词左右的英语短文。)

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