Unit 8 A green world Task+&Self_assessment+练习题（含答案）

Unit 8 Task & Self assessment
一、根据句意用所给词的适当形式填空
1.Greenhouse gases are 　 　(harm) to the environment.
2.The old chair should　 　(throw) away because it’s useless.
3.Water　 　(pollute) is quite serious in that small village.
4.Fruit juices can be bad for children’s　 　(tooth).
5.There are a few　 　(different) between American English and British English.
6.Remember ________(turn) off the tap when brushing teeth.
7.These empty bottles can be ________(recycle).
8.She was told ________(clean) up her bedroom.
9.Lily ________(choose) to act in that film, wasn’t she
10.Would you mind _________(separate) the old clothes into groups
二、单项填空
1.—How are you today,Mike
—I’m　　　　now.I don’t think this medicine is good for me.
A.badly B.worse C.well D.better
2.Clouds　　　　from drops of liquid(液体) hanging in the air.
A.were formed B.form C.are formed D.formed
3.—My English is so bad.Can you help me,Gina
—Practise more and the most important is to　　　　a good habit of reading.
A.develop B.complete C.make D.show
4.　　　　stop more accidents,we should slow down the driving speed.
A.In order that B.In order to C.Thanks for D.Thanks to
5.It’s a good habit to　　　　the lights before leaving the classroom.
A.go on B.go off C.turn on D.turn off
6.—Have you ever heard “A thousand mile journey begins with the first　　　　”
—Yes.It’s a famous Chinese saying by Laozi.
A.class B.step C.break D.exam
7.Li Lei didn’t play computer games last weekend.　　　　,he worked as a volunteer in an old people’s home.
A.Instead B.Certainly C.Though D.Always
8.—I think I am the shyest in my class.What should I do
—Be more active in class　　　　you can improve your ability to express yourself.
A.so that B.unless C.or D.although
三、根据汉语意思完成句子,每空一词
1.有更多的树木环绕,我们的学校看上去更美了。
Our school looks more beautiful　　 　　 　　 　　.
2.噪声污染对我们的健康有害。
Noise pollution is 　　 　　 our health.
3.你应该把那些没法再用的旧东西全都扔掉。
You should 　　 　　 all those old things that cannot be used.
4.我们应该尽我们最大努力来帮助贫穷的孩子们。
We should　　 　　 　　to help the poor kids.
四、.任务型阅读
　　What do you do with your old textbooks Do you keep them or sell them
Some people sell their old books.The books are about 1 yuan per kilogram.People usually use them to make recycled paper.However,it needs much more money than making normal paper.
In the past five years,people have sold about 2.8 billion textbooks every year.They were about 20 billion yuan.If people could reuse these textbooks for one year,the money could be used to build around 40,000 Hope Schools in poor places.
How to reuse the textbooks in a right way Zhu Pin is the headteacher of a middle school.He came up with a good idea.He made some rules about reusing some of the textbooks.Teachers take these textbooks to classrooms and give them out to the students before classes.After class,they take the books back to their offices.And when the term is over,the books are kept in the library.The school disinfects(消毒) the books every week.The rules also tell the students how to save resources.
Some people also sell their old books on Xianyu,an online supermarket for old things.It now has millions of online sellers.More and more young people don’t mind using old books.
1.What’s the disadvantage of making recycled paper (不超过10个词)
2.Where are the old books kept after the term is over according to Mr Zhu (不超过10个词)
3.What is Xianyu (不超过10个词)
答案;
一、
1.harmful
2.be thrown
3.pollution
4.teeth
5.differences
6,to turn
7. recycled
8.to clean
9.was chosen
10.separating
二、
1-8 BCABD BAA
三、
1.with　 　more　 　trees　 　around
2.harmful/bad　 　to/for
3.throw　 　away
4.try　 　our　 　best
四、
1.It needs much more money than making normal paper.
2.They are kept in the library.
3.It’s an online supermarket for old things.