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Unit13 We're trying to save the earth.
Section A Period1同步练习
单词填空。
1．Let's pick up the ________ (垃圾)and put it into the bin.21世纪教育网版权所有
2．Factories should burn less _________to reduce air pollution.2·1·c·n·j·y
3．The book I want is right at the ________ (底部)of the shelf.
4．Many people prefer ________ (木头的)floors to those covered with bricks.
5.The f ________ lost his boat in the storm.
单选。
1.It's necessary for the phubbers(低头族) to ________ the time they spend on their smart phones. 【来源：21·世纪·教育·网】
A．cut in B．cut off C．cut down D．cut up
2.Everyone was afraid of him because there were deep_______lines(皱纹)on his face.
A．ugly B．kind
C．beautiful D．peaceful
3. Li Ming used ________ on the right in China, but he soon got used ________ on the left in England.21*cnjy*com
A . to drive; to drive B . driving; driving 21*cnjy*com
C . to driving; to drive D . to drive; to driving
4. —A study shows that good habits play a very important _______in children's education.
—I think so.
A．sense B．part C．reason D．meaning
5.—________ .
—Sorry，I won't.I'll pick it up.
A．Try to keep the classroom clean.
B．Don't throw litter everywhere.
C．Don't make any noise in public.
D．Let's pick up the litter on the ground.
三、情景对话。
A. What should we do to protect our Earth B. What are you reading C. What will our life be like in the future D. What should we do in public places E. Because our Earth is being damaged seriously now.F. We should also learn to save water. G. What can you do to help us
A: Hi, Millie ___________________
B: I'm reading a report about our life in the near future. www.21-cn-jy.com
A: ___________________
B: It says we have to move to another planet in the future.【来源：21cnj*y.co*m】
A: Why
B: ___________________ It will not be a good place for people to live after a few years.【出处：21教育名师】
A: ___________________
B: We should plant more trees.
A: I agree. What else
A: ___________________
A: Yes. We can do it by taking a shorter shower.
B: You're right,
四、阅读。（2017台州)
Our factories and homes burn coal and oil. Every year we have forest fires somewhere. Many scientists believe that the weather is changing.21教育网
The earth will perhaps be warmed by about 7℃ at the South Pole(极) and the North Pole. The ice will be melt(融化). The sea level(平面) will rise by about 7 meters. As a result, water will cover cities like London, Tokyo and New York. Some ports(港口) and towns along the coasts will disappear under water.21·世纪*教育网
Some other scientists think that the dust, smoke and pollution from coal, wood and oil fires will block out(封闭) the ultraviolet rays(紫外线). Then the earth will become colder and great sheets of ice will cover Europe and North America.
When chemicals in the air mix with rain, we have acid(酸) rain. Acid rain can bring us great harm. It destroys(破坏) forests and kills life in lakes and rivers.
People are beginning to see how serious the problem is. They find it important to work with nature instead of against it. They are trying to save the earth in many different ways. But one of the most important things to do is to make people understand that saving the earth is saving ourselves.21cnjy.com
（1）What do our factories and homes do
A . They burn coal and oil.
B . They cut down the trees.
C . They burn down forests.
D . They have acid rain.
（2）Some scientists believe that ____________ . 2-1-c-n-j-y
A . the earth is growing warmer
B . we have to burn down the forests every year
C . we can find oil in our forests
D . we need coal in our forests
（3）Ice at the poles will ____________ if the earth gets warmer.
A . become thicker by seven meters
B . cover cities like London and Tokyo
C . raise the sea level by 7 degrees
D . become water and make the sea rise
（4）What can we learn from the third paragraph
A . The dust together with pollution from coal, wood and oil fires will bring us more heat from the sun. 【版权所有：21教育】
B . The ultraviolet rays will come more because of the dust and pollution from fires.
C . According to the scientists, the change in weather hardly has anything to do with the pollution. 21·cn·jy·com
D . As a result of the dust and pollution from coal, wood and oil fires, the earth will become colder.www-2-1-cnjy-com
Unit13 We're trying to save the earth.
Section A Period1同步练习答案
一、1.litter 2.coal 3.bottom 4.wooden 5.fishman21教育名师原创作品
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21世纪教育网（www.21cnjy.com)中小学教育资源及组卷应用平台
Unit 13
We're trying to save the earth.
SectionA Period 1
人教新目标(Go for it)九年级全册
Warming-up
What is the video about
Endangered
animals
Desertification
Natural
disasters
The world's problems
Pollution
Brainstorm
Pollution
What kind of pollution are they
noise pollution
water pollution
air pollution
Lead-in
Discussion
What caused air pollution,noise pollution and water pollution
Factories put waste into the river.
People throw litter into the river.
The factories that burn coal pollute the air with a lot of black smoke.
Cars and buses that burn coal pollute the air with a lot of black smoke.
People talk phone loudly in public.
People dance with songs loudly in public.
People build house/drive cars.
1a
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
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noise pollution
____________
____________
____________
____________
air pollution
___________
___________
___________
___________
water pollution
____________
____________
____________
____________
loud music
planes
mobile phones
factories
cars
smoking
ships
factories
littering
rubbish
building houses
building houses
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
The general idea of the conversation is about
A.health problems
B.air pollution
C.water pollution
Pre-listening
Listen and answer the questions.
1b
Listen and complete the sentences.
What was the problem
The river was _____________. Even the
bottom (底部) of the river was full of
_________. There were no more ______
for fishermen (渔民) to catch.
really dirty
rubbish
fish
What caused the problem
People are throwing _______ into the
river. Factories are putting ______ into
the river.
How should the problem be solved
We should write to the ____________ and
ask them to ___________ the factories.
Everyone should help to __________ the
river.
litter
waste
government
close down
clean up
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Vi·deo
Video time
Listen again and answer the questions.
What does Tony want to do later this afternoon
Why doesn’t Mark want to go with Tony
How was the river in the past
He wants to go swimming with Mark in the river later this afternoon.
Because the river was really dirty. Even the bottom of the river was full of rubbish, and there were no more fish for fishermen to catch.
It used to be so clean. It has been the nicest river in this town.
Tape script
Tony: Hey, Mark, maybe we could go swimming in the river later this afternoon.
Mark: I don’t think I want to go, Tony.
Tony: Why not
Mark: I was there last weekend and the river was really dirty. Even the bottom of the river was full of rubbish, and there were no more fish for fishermen to catch.
Tony: No way! It used to be so clean. In fact, it has always been the nicest river in this town.
Role play the conversation.
Mark: Not anymore. I think people are throwing litter into the river. Factories are also putting waste into the river.
Tony: That’s terrible! We should write to the government. They should close down the factories.
Mark: Good idea! But I think everyone in this town should help to clean up the river, too. Everyone should play a part, not just the government.
play a part in…的意思是“在……起作用”,相当于play a role in…。同义词组还有take part in。
注意：in为介词，后接名词、代词或动词的 ing形式。
litter 作不可数名词，意为“垃圾；废弃物”。
litter和rubbish都可指“垃圾”，用作不可数名词。
rubbish指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。
litter指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收。
eg: There were piles of litter on the streets.
街上有一堆一堆的废弃物。
There will be fines for people who drop litter .
乱扔垃圾的人将被罚款。
Throw the rubbish out. 把垃圾扔出去。
The room is full of rubbish. 房间里堆满了垃圾。
1c
Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.
E.g.
Mark: The river was dirty. Even the bottom
of the river was full of rubbish.
Tony: But it used to be so clean!
Mark: Yes, but people are throwing litter
into the river.
Tony: Everyone in this town should play a
part in cleaning it up!
Tony wants to go _________ in the river with Mark this afternoon. But Mark doesn’t want to go, _______ he went there last weekend and the river was really ______. Even the ______of the river was full of _______, and there were no more fish for fishermen to _______.
Tony thinks the river used to be so ______. It has always been the _______(nice) river in this town. Mark tells Tony that people are throwing _____ (垃圾）into the river. Factories are also putting _____(废气物) into the river. They decide to write to the __________ (政府）and hope that it could _________ (关闭）the factories. They also think that everyone should help to ________ (清理 )the river and play a ______ (发挥作用） in protecting the environment.
swimming
because
dirty
bottom
rubbish
catch
clean
nicest
litter
waste
government
close down
clean up
part
Retell the conversation.
Consolidation
Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
A. land pollution
B. air pollution
C. noise pollution
D. water pollution
2a
2b
Listen again and complete the sentences.
The air is badly polluted because there are __________ on the road these days.
Factories that burn coal also _______ the air with a lot of black smoke.
There is also too much rubbish and waste. People ________________ things everyday.
People are also littering in ____________ like parks. This is turning beautiful places into ugly ones.
more cars
pollute
are throwing away
public places
Listen again and answer the questions.
1. Who is the interviewer talking to
2. What are they talking about
3. What other problems do they see
Susan and Jason.
The environmental problems.
There’s too much rubbish and waste in the streets.
Tape script
Role play the conversation.
Interviewer: Today we’re talking to Jason and Susan about environmental problems. Jason and Susan, can you
tell us about some of the problems you’ve seen
Jason: I think one problem is that the air is badly polluted. I hardly ever see blue skies anymore.
Susan: Yes, and I used to see the stars clearly.
Interviewer: What do you think has caused this problem
Susan: Well, there are more cars on the road these days.
Jason: And factories that burn coal also pollute the air with a lot black smoke.
Interviewer: What other problems do you see
Susan: I guess there’s too much rubbish and waste in the
streets.
Jason: Yes! Every day people are throwing away things like wooden chopsticks, plastic bowls and plastic bags.
Susan: They’re also littering in public places, for example,
during picnics in parks. This is turning beautiful
places into ugly ones.
Interviewer: You’re right. These are serious problems for our environment. Next, let’s talk about the things we
can do to help.
2c
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
The air has become really polluted around here. I’m getting very worried.
Yes, I used to be able to see the stars in the sky.
The problem is that there’re more cars on the road these days and factories that burn coal also pollute the air with a lot of black smoke.
...
Groupwork
What should we do to save the earth
Discuss in groups.
发出倡议书
Make a proposal
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close down the polluted factories;
help to clean up the river/parks;
plant more and more trees.
ride a bike;
bring a cloth bag to go shopping;
turn off the lights when you leave a room;
Don’t use plastic bags any more;
recycle books and paper;
Don’t throw litter into the river;
..................
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Key expressions:
Words:litter, bottom, fisherman, coal, public, ugly, advantage, cost, wooden, plastic, the bottom of, make a difference
Sentences:
1) The river used to be so clean.
2) People are throwing litter into the river.
3) It has always been the nicest river in this town.
4) We should write to the government.
5) I think one problem is that the air is badly polluted.
及时小结才能巩固所学知识
Summary
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It's everyone’s duty to protect the environment. And it should begin from every aspect of our daily life. Only by changing the way we treat the environment can we get along well with it. Only by saving the environment can we save ourselves.
谢 谢！
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