文档内容
Unit 13 I’m trying to save the earth.
第六课时(分层作业)
基础达标
一、完成句子
1．熬夜到很晚对你的健康有害。
Staying up too late ________ ________ ________ your health.
2．那幢旧房子上周被拆除了。
The old building was ________ ________ last week.
3．我们应该充分利用好我们自己的金钱。
We should ________ our own money ________ ________ ________.
4．甚至河底都充满垃圾。
Even ________ ________ ________ the river was full of rubbish.
5．城里的每个人都应当尽一份力把它清理干净。
Everyone in town should ________ ________ ________ in cleaning it up.
6．你们是怎样处理塑料袋的？
How do you deal with ________ ________?
7．那个小女孩的父母决定待在家里不出去了。
The girl’s parents have decided to stay home________ ________ going out.
8．当你离开教室的时候, 应该随手关灯。
You ________ ________ ________ the lights when you leave the classroom.
9．说比做更容易。
________ said than________.
10．行动胜于言辞。
Well, ________ speak louder than ________.
二、句型转换
句型转换
11．Nothing is a waste if you have a creative mind.(改为同义句)
________is a waste if you ________ ________a creative mind.
12．We can see more popular works in the art museum. (改为被动句)
More popular works ________ ________ ________ in the art museum by us.
13．Everyone can protect the environment by doing something special in the daily life.(对
画线部分提问)
_______ _______ everyone _______ the environment in the daily life?
14．It is hard for people to stop driving cars. (改为同义句)
________ ________ ________ cars is hard for people.
15．We need to save the earth because it is the only home to us.(对画线部分提问)________ ________ we ________to save the earth?
能力提升
三、单项选择
16．Something ________ to protect the sharks because many of them are endangered now.
A．must do B．must done
C．must be done D．have been done
17．﹣An AI robot _____in our school dining hall next term．
﹣I'm looking forward to it．
A．will use B．will be used C．is used D．was used
18．—These boxes are still useful now. Don’t ________.
—All right.
A．throw away B．throw them away C．threw away D．throw it away
19．—Julie, what ________ in your hand?
—Look! It’s a new iPad for my daughter.
A．do you hold B．are you holding
C．were you holding D．will you hold
20．Mary is used to ________ of everything she does. Over time, all the things she does will
be in order.
A．take notes B．put on C．taking notes D．putting on
21．Photos can ________ lots of good memories to people.
A．look like B．turn into C．bring back D．give back
22．I think students should ________ all kinds of activities after class.
A．take part in B．join C．take a part in D．take part to
23．So far this year we________ about half of the road and we are sure that it will be
finished on time.
A．have built B．built C．build D．are building
24．The new museum is open from 10:00 a.m. to 5:00 p.m. and _________ by more than one
hundred people every day.
A．visits B．visited C．is visited D．was visited
25．Kevin's pet dog was dead. No one could ________ to life.
A．bring it out B．bring it back C．give it out D．give it back
拓展训练
四、完形填空
People usually check whether their keys, purses and phones are with them before going out,
but many people in China now have one more important thing to take—a mask(口罩). Theyhope it can protect them ___26___ terrible air.
Many cities in China saw a lot of foggy days in April. In Beijing, there were eight days in
April full of smog. It is dirty air ___27___ looks like a mixture of fog and smoke. The
smoke is mainly from cars and factories in cities. Poor air is bad for people's health，
___28___ for children and old people. They fell ill easily and the ___29___were full of
people. They had problems with their noses and lungs.
So it's necessary ___30___ people from doing so many bad things to the environment. For
example, people should use cars less and ___31___ burn lots of coal and gas. Government
needs to take measures to make factories stop pouring ___32___waste air into the sky.
Three students from No.4 High School in Beijing ___33___ a report to advise how to
protect the environment. They suggested ___34___ people should plant more trees and set
off fewer fireworks for celebration.
We hope more people will join us in ___35___ a difference. In this way, the blue sky will
certainly return for good.
26．A．in B．from C．for D．at
27．A．that B．/ C．who D．whom
28．A．lucky B．especial C．especially D．luckily
29．A．schools B．gardens C．zoos D．hospitals
30．A．stop B．stopping C．to stop D．stopped
31．A．needn't B．shouldn't C．should D．can
32．A．too many B．many too C．too much D．much too
33．A．wrote B．write C．are writing D．will write
34．A．which B．where C．that D．who
35．A．make B．to make C．made D．making
五、阅读单选
Your ears allow you to hear many different sounds.Some sounds can be pleasant to hear and
some are not so pleasant.The louder the sound and the longer you listen to it，the more
possible it is to cause damage(损害) to your hearing.
Some sounds not only harm your hearing，but also can make it hard to pay attention while
reading or doing homework and prevent you from falling asleep.It is important that you learn
about sound and how to identify(辨认) when it is harmful to you.
Sound is measured in units called decibels(分贝)．The greater the number of decibels，the
louder the sound and the more harmful it is to your ears.The sound at 85 decibels and above
may harm your hearing.Nowadays，noise pollution is more and more serious，so you should try to protect your
hearing.
◇ Turn down the TV，video game，radio，and music player.
◇ Walk away from sound that is too loud.
◇ Wear hearing protectors when needed.
36．What can we learn from the first paragraph?
A．There are two different sounds.
B．All the sounds are pleasant to hear.
C．Some sounds can damage your hearing.
D．It is good for you to listen to louder sounds for a long time.
37．Harmful sounds can ________.
①damage your hearing
②stop you from falling asleep
③keep you from having dinner
④prevent you from paying attention to doing homework
A．①②③ B．①②④
C．②③④ D．①③④
38．The sound at ________ is harmful to your hearing.
A．0 B．60 C．80 D．120
39．The sound of ________ is about 140 decibels.
A．busy city traffic B．washing machines
C．rocket launch D．fireworks
40．Which of the following is helpful to protect your hearing?
A．Turning up the music player. B．Staying in a quiet place.
C．Attending a rock concert. D．Walking on a busy street.
