(共26张PPT)
Section A 1a-2d
Unit 8
We are trying to save the earth!
Before-listening
情 境 导 入
What kinds of pollution are mentioned in the video
ships
rubbish/industrial waste
littering
factories
factories
smoking
cars
building houses
loud music
planes/cars/machines
mobile phones
builing houses/crowds
Before-listening
情 境 导 入
Write the words in the box.
Before-listening
情 境 导 入
air pollution
What has caused noise pollution
The factories that______ _____pollute the air with a lot of black smoke.
Loud music, building houses, more and more cars has caused noise pollution.
burn coal
noise pollution
What has caused air pollution
Before-listening
情 境 导 入
water pollution
What has caused water pollution
Factories are ______ ______ ____ the river.
putting waste into
land pollution
What has caused land pollution
People are _______ _______ every day.
throwing litter
新 课 探 究
While-listening
Read and predict
What are Tony and Mark talking about
really dirty
rubbish
fish
litter
waste
government
close down
clean up
新课探究
Listen and complete the sentences.
1b
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新课探究
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!
Role-play the conversation.
1c
Problems
Cause
Solution
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新课探究
A: The air was awful. Every place is full of bad smell.
B: Oh, it used to be clean, right
A: Yes, but the factories discharge waste gas into the air.
B: I think the goverment should close down these factories.
Make the conversation with partner.
1c
It’s your turn.
problems
cause
solution
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新课探究
Jason and Susan are being
interviewed. Let's listen to
what they're talking.
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新课探究
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
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新课探究
Listen again and complete the sentences.
2b
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 turns beautiful parks into ugly ones.
more cars
pollute
are throwing away
public places
causes of air pollution
causes of land pollution
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新课探究
Role-play conversations between Jason and Susan.
Jason: The air has become really polluted
around here. I'm getting very worried.
Susan:Yes, I used to be able to see stars in the sky.
Jason: The problem is that ...
2c
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新课探究
Retell the conversation with given information.
Jason and Susanare talking about some environmental problems they have seen. One problem is that...
The other problem is that...
These are serious problems for our environment.
2c
Problems Causes
air/be badly polluted/used to/ stars/blue skies more cars/ factories/ burn coal/ black smoke
there is/ rubbish and waste throw away/ every day/ litter/ public places
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新课探究
How can we solve these problems
solution
Listen and answer the questions.
1.What does Jason think they should do to cut down air pollution
2.What does Susan think of bike riding
3.When did Susan start bringing a bag to shopping
He thinks they should take the bus or subway instead of driving.
She thinks it's good for health and it doesn't cost anything.
She started a year ago.
2d
Read the conversation of 2d on Page 58 and try to answer the questions.
新课探究
减轻空气污染
从不拿木制筷子或塑料叉子
将垃圾扔进垃圾桶
保持公共场所干净美丽
有影响
走向一个更好的未来
新课探究
2d
Role-play the conversation.
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新课探究
After-listening
What are the environmental problems in our city
Thinking
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Discussion
--What are the environmental problems in our city
The river/air/land used to be...but now...
--What has caused these environmental problems
People/ factories/...
--How can we protect the environment/ solve the problems in our city
We can close down/ help to clean/...
新课探究
新课探究
Language points
She plays an active part in local politics.
1.play a part in
play a part in 意为“参与……”，相当于take part in。in为介词,其后跟名词或动词-ing形式。play an active part in 意为“积极参加……”。
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新课探究
2.waste、garbage、rubbish、litter、debris、junk的区别
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新课探究
3.make a difference
make a difference(to ...)表示“(对……)产生影响或作用”。
Do you think his words would make any difference to the final decision
你认为他的话会对最后的决定产生影响吗
★ make no difference 没有影响；无关紧要
★ make all the difference 关系重大；大不相同
★ have an influence on/influence“(对……)产生影响或作用”
★have effects on 意为“(对……)产生影响或作用”
拓展
新课探究
Ⅰ. 单选。
1. He _____ go out with his parents, but now he _____staying at home alone.
A. used to; is used to B. is used to; used to
C. used to; used to D. is used to; is used to
2. The interesting book _____ me 10 yuan.
A. took B. paid C. spend D. cost
3. We must do something useful to ____ pollution.
A. cut off B. cut up C. cut down D. cut in
4. Smoking can ____ lung cancer. You’d bettter give it up.
A. work on B. lead to C. take away D. put out
√
√
√
√
write to, lead to, clean up, cut down, play a part in
1. What a mess! You should ____________ your room now.
2. Every farmer knows that weather ____________ farming.
3. As we all know, smoking too much can ____________ cancer and many other illnesses.
clean up
plays a part in
lead to
4. He said he would ____________ us when he left home but we haven't heard from him so far.
5. The manager asked me to ____________ the report, because he didn't want to speak too long at the meeting.
write to
cut down
II. 根据语境, 从方框中选择恰当的短语填空, 有的需要变换形式。
新课探究
课 堂 小 结
Summary
environment
solution
we should close down.../ help to clean up.../take the bus/ never use wooden chopsticks and palstic forks...
Causes
Pelple throw rubbish everywhere.
Factories burn coal...
pollution
water/air/land/noise pollution
THANK YOU
