(共21张PPT)
Unit 13 Section A (1a-2c)
人教版九年级全册
Content
Learning objectives
01
Lead-in
02
Presentation
03
Listening
04
Summary
05
Homework
06
目录
Learning objectives
After learning this lesson, you can:
Talk about pollution and environmental protection
Free talk
What’s the video about
pollution
The earth is badly polluted.
The earth is seriously polluted.
Free talk
What kind of pollution do you know
land pollution
water pollution
noise pollution
air pollution
pollution
light pollution
Presentation
What caused the pollution
water pollution
How should it be solved
Factories put waste into the river.
People throw litter into the river.
We should close down the small factories.
Presentation
noise pollution
What caused the pollution
How should it be solved
The cars made too much noise.
We should walk to school or take the bus.
Presentation
air pollution
What caused the pollution
How should it be solved
We should plant more trees.
Factories that burn coal polluted the air with a lot of
black smoke.
Presentation
What caused the pollution
land pollution
How should it be solved
People throw rubbish/litter/waste everywhere.
People should throw litter in the bin.
Presentation
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 ships factories smoking
building houses mobile phones
noise pollution
_____________
_____________
_____________
_____________
air pollution
___________
___________
___________
___________
water pollution
_____________
_____________
_____________
_____________
loud music
cars
rubbish
planes
planes
littering
ships
factories
smoking
building houses
building houses
factories
mobile phones
Listening
1b
Listen and complete the sentences.
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
河流底部
充满了=be filled with
写信给政府
关闭工厂
扔垃圾
Listen and repeat
1b
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
t 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 .
Pair work
1c
Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.
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 littering in the river.
Tony: Everyone in this town should play a part in
cleaning it up!
problem
cause
solution
Listening
2a
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
Listening
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
被严重污染=be seriously polluted
燃烧煤
黑烟
扔掉
把…变成
Make conversations.
2c
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
Jason: The air has become really polluted around
here. I’m getting worried.
Susan: Yes, I used to be able to see stars in the sky.
Jason: The problem is that ...
Key points
Key points
water pollution
noise pollution
air pollution
causes
loud music, building houses…
factories, cars, planes…
littering, ships, rubbish…
solutions
we/ people/
government/
…
should…/
shouldn’t…
Protecting the environment
problems
Summary
1.拯救地球
2.噪音/空气/水污染
3.河底
4.充满
5.把垃圾扔进河里
6.在某方面尽自己的一份力
7.打扫
8.对渔民来说没有更多鱼可捕捞
9.排放废物到河里
10.关闭工厂
11.环境问题
save the earth
noise/air/water pollution
the bottom of the river
be full of=be filled with
throw litter into the river
play a part in doing sth
clean up
no more fish for fishermen to catch
put waste into the river
close down the factories
environmental problems
Homework
Recite the useful expressions.
Listen and repeat 1b,2a,2b.
谢谢
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