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Unit 13 We’re trying to save the earth!
Period 1
Section A (1a - 2d)
学习目标
Period1
Section A(1a - 2d)
Key words & phrases:
litter, bottom, fisherman, coal, ugly, advantage,
cost, wooden, plastic, make a difference
Key sentences:
1. The river was dirty. Even the bottom of the
river was full of rubbish.
2. But it used to be so clean!
3. Yes, but people are throwing litter into the river.
情 境 导 入
Why
What
When
It is on April 22.
It was first celebrated in 1970.
The earth is more polluted.
The theme is to protect the environment and save the earth.
Plant trees.
Save energy and water.
Take public transportation.
Use plastic or wooden things less.
……
Earth Day
Lead in
情 境 导 入
What’s wrong with the earth
The earth is polluted.
We’re harming our planet in so many ways.
情 境 导 入
In our daily life, what kind of pollution can you think of
What has caused each kind of pollution
air pollution
water pollution
noise pollution
新 课 探 究
Period1
Section A(1a - 2d)
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新课探究
loud music cars rubbish planes littering ships factories smoking building houses mobile phones
noise pollution
____________
____________
____________
____________
air pollution
___________
___________
___________
___________
water pollution
____________
____________
____________
____________
loud music
planes
mobile phones
factories
cars
smoking
ships
factories
littering
rubbish
building houses
building houses
machines/
crowds…
burning/
chemical
materials…
industrial
waste …
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新课探究
Predict what Tony and Mark are talking about according to the chart.Predict the answers before listening.
Pre-listening
What was the problem The river was ___________. Even the bottom of the river was full of _________. There were no more ____________for fishermen to catch.
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.
请认真阅读句子，分析每空应填词性，预测所填内容
n. 底部；最下部
反义词是top (顶端；顶部)
fisherman
n.渔民；钓鱼的人
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新课探究
Listen and complete the sentences.
1b
What was the problem The river was ___________. Even the bottom of the river was full of _________. There were no more ____________for fishermen to catch.
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.
really dirty
rubbish
fish
litter
waste
government
close down
clean up
listening
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新课探究
Listen and read.
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.
下午晚些时候
……的底部
曾经……; 过去经常……表示过去习惯性的动作但如今已不存在。
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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.
参与；扮演角色；起作用
关闭
play a part in doing sth. “参与做某事; 在做某事上起作用”。
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新课探究
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 __________ (发挥作用） in protecting the environment.
Retell the conversation.
swimming
because
dirty
bottom
rubbish
catch
clean
nicest
litter
waste
government
close down
clean up
play a part
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新课探究
Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.
1c
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!
参与……；在……方面起作用；在……中扮演角色
problem
solution
cause
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新课探究
Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
2a
A. land pollution B. air pollution
C. noise pollution D. water pollution
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2b
Listen again and complete the sentences.
1. The air is badly polluted because there are _____________ on the road these days.
2. Factories that burn coal also ___________ the air with a lot of black smoke.
3. There is also too much rubbish and waste. People ________________ things every day.
4. People are also littering in ________________ like parks. This is turning beautiful parks into ugly ones.
more cars
pollute
are throwing away
public places
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新课探究
The environment around us _____badly __________.
For example, the river in Mark’s city is really dirty. Even the________of the river is full of rubbish. And there are no more fish for __________ to catch. What caused this problem Many people are _________ ______ ______the river. And some factories are _________ _______ ______ it.
And Jason and Susan’s city is another example. Factories that burn _______ are polluting the air with black smoke , and people are _________ _______ too many things every day. So there is too much rubbish and waste in the streets. Also, some people are __________ in public places. This is turning beautiful places into _________ ones.
To solve these kinds of pollution, everyone should _____ ___ ______. As students, we can ______ ____the government and ask the government to ________ _______the factories.
bottom
fishermen
throwing litter into
putting waste into
coal
throwing away
littering
ugly
play a part
write
close down
polluted
is
Retell the conversation.
to
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新课探究
The air has become really polluted around here. I’m getting very worried.
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
Yes, I used to be able to see stars in the sky.
The problem is that…
2c
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What should we do to save the earth
1. Turn off the lights when you leave a room.
关掉
2. stop driving cars
3. stop using paper towels or napkins（餐巾，餐巾纸）
4. recycle books and paper
回收利用
5. ...
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新课探究
2d
Role-play the conversation.
Interviewer: Jason and Susan, what are your ideas
for solving these problems
Jason: Well, to cut down air pollution, we should take
the bus or subway instead of driving.
Susan: yeah, or ride a bike. There are other
advantages of bike riding. It's good for health
and it doesn't cost anything!
Interviewer: Great ideas! What about waste pollution
Susan: Mmm, I think simple things like bringing
a bag to go shopping can help. I started doing
that a year ago.
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Jason: Me, too. Also, I never take weeden chopsticks
or plastic forks when I buy takeaway food. I
use the ones at home.
Susan: Aand remember to throw rubbish in the
bins and keep public places clean and
beautiful for everyone.
Interviewer: So together, our actions can make a
difference and lad to a better fitire!
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新课探究
Read 2d and complete the chart.
Problems Solving problems
air pollution
waste pollution
rubbish
take the bus, subway or ride a bike instead of driving
bring a bag to go shopping, never
take wooden chopsticks or plastic forks but use the ones at home while buying takeway food
throw rubbish in the bins
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新课探究
1. We’re trying to save the earth!
try to do sth.=try one’s best to do sth.
努力去做某事
Language points
例：Every student should try to study hard in order to study in a good university.为了进入一所好大学学习，每个学生都应该努力学习。
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2. Here are some words related to different
kinds of pollution.
be related to 与……有关
例：I am not related to him in any way.
我和他没有任何关系。
He is related to some secrets.But I
can't tell you what they are. 他和一些秘
密有关，但我不能告诉你是什么秘密。
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3. Everyone in this town should play a part in cleaning it up!
例：A good diet plays a large part in helping
people live longer.健康的饮食在帮助人们长寿
方面起着非常大的作用。
He was invited to play a part in this TV play.
他受邀参加这个电视剧的演出。
play a part in 在……方面起作用，
在……中扮演角色。
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4. Even the bottom of the river was full of rubbish.
... people are throwing litter into the river.
两者都可指“垃圾”，是不可数名词。
rubbish指“没用的东西 (被扔或将要丢弃的无用的东西)” 。不可回收。
【辨析】litter与rubbish
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)”。可回收。
例：Throw the rubbish out. 把垃圾扔出去。
The room is full of rubbish. 房间里堆满了垃圾。
Pick up your litter after a picnic. 野餐后将废弃物收拾好。
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5. This is turning beautiful places into ugly
ones.
turn… into… 把……变成……
例：The icy rain seemed like to turn into snow.
冻雨似乎变成了雪花的模样。
6.It’s good for health and it doesn’t cost
anything!
cost v. 花费；使付出。指花费金钱，主语
通常是物。其过去式和过去分词均为cost。
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7. So together, our actions can make a difference and lead to a better future!
make a difference (to…) (对……)产生影响或作用
例：Do you think his words would make
any difference to the final decision
你觉得他的话会对最终决定产生
影响吗？
新课探究
一、根据句意用take、spend、pay或cost的
适当形式填空。
1. That new car ________ them lots of money.
2. Mona __________ 50 yuan on the books just now.
3. It usually _______ me an hour to do my homework.
4. You should __________ some time practicing your pronunciation.
5. My brother _______ 6, 000 yuan for the new computer yesterday.
cost
spent
takes
Exsercises:
spend
paid
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二、用动词的适当形式填空。
1. We’re trying _______ (save) the earth.
2. There are too many ____ for __________
to catch (fish).
3. It’s bad for the environment to use disposable _________ (wood) chopsticks.
to save
fish
wooden
fishermen
课 堂 小 结
Period1
Section A(1a - 2d)
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.
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课堂小结
litter与rubbish的辨析
take、 spend、pay
与 cost的辨析
play a part in 的用法
Language points:
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Homework
课堂小结
1. Try to write down a passage on your notebook.
2. Read the conversations of Unit 13 Section A 1b
and 2a on page 146 and 147.
*What is the problem
*What causes the problem
*How should the problem be solved
THANK YOU

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