(共16张PPT)
新目标人教版Go for it 九年级
Unit 13 We’re trying to save the earth!
Section A (1a-2c)
Lead in.
What’s the biggest problem in our lives
pollution
What are the names of these kinds of pollution
Divide the kinds of pollution.
air pollution
light pollution
white/land pollution
water pollution
ocean pollution
noise pollution
Work on 1a.
Here are some words related to different kinds of pollution.
Write them in the box below. Then add more words.
loud music cars rubbish planes littering(垃圾废弃物) ships factories smoking building houses mobile phones
noise pollution
air pollution
water pollution
____________
____________
____________
____________
____________
____________
____________
____________
____________
____________
____________
____________
loud music
planes
building houses
mobile phones
machines, crowds
cars
factories
smoking
What produces the black smoke
The factory burns _______.
coal
building houses
burning, power plants(发电厂)
rubbish
littering
ships
factories
Listen for the first time.
Tony
Mark
What kind of pollution are Tony and Mark talking about
water pollution
What was the problem
What caused the problem
How should the problem be solved
Work on 1b.
Listen and complete the sentence.
What was the problem The river was ___________.Even the bottom([ b t m]) of the river was full of _________. There were no more _____ for fishermen ([ f m n]) 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
Problem
Reasons
solutions
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 week 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 .
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 .
Answer
Why were there no more fish in the river
What did the river use to be like
The water was polluted.
bottom- top
at the bottom of
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 week 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 .
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 .
Analyze.
How did Tony’s feelings change
glad
confused/surprised
unbelievable
sad
Role-play.
One is Mark, the other is Tony.
Mark: The river was dirty. Even the bottom of the river was
full of rubbish. And there were no more fish for….
Tony: But it used to ….
Mark: Yes, but people are throwing…into… What’s worse,
factories are putting… into….
Tony: Everyone in this town should play a part in cleaning it
up. The government should … the factories.
Mark: I agree with you. It’s our duty to save the earth.
Real-play.
Make your own conversations about the
pollution in 1a.
noise pollution
air pollution
The air is not as _____as before. I can’t see …anymore.
Yes, the air is _____ now. When I go out, ….
That’s because there are too many…. They produce tail gas.
What’s …, smoking and burning make the air _______ with
a lot of black smoke.
Everyone should play a part… People should….
I agree with you. It’s our duty….
Eg.
Jason and Susan are green guards.
Susan
Jason
an interview
What kinds of pollution are they talking about
Circle the kinds of pollution they talk about.
A. Land pollution B. air pollution
C. noise pollution D. waste pollution
Work on 2a.
Why is the air badly polluted
Why is the land polluted
Work on 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 places into ugly ones.
more cars
pollute
are throwing away
public places
Interview: What do you think has caused air pollution
Susan: Well, there are more cars on the road these days.
Jason: And factories that burn coal also pollute the air with
a lot of black smoke.
Read, answer and think.
If the air is not badly polluted, what will the sky be like
blue skies
bright stars
tail gas
black smoke
What can we do to reduce air problem
Interview: 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.
Read, answer and think.
What’s the effect of throwing about
What can we do to reduce land problem
Report.
Describe the problems of land pollution or air pollution.
The ____ pollution is a serious problem for our environment.
I used to see ___________. But now it is badly ______. What
caused this problem The problem is that….What’s worse,…
What can we do to reduce pollution From my point of view,
…
Everyone should play a part, not just the government.
Homework
Oral Practice: Read and recite the sentences in 1b and 2b.
Written Practice: Write down your report.
