资源简介

(共30张PPT)
Section A 1a~2d
Unit 13
We’re trying to save the earth!
学习目标
01
02
03
在语境中理解、识记并运用本课时词汇： litter, ugly, at the bottom of, be full of, play a part in等；
构建全球环境治理的跨文化认知，培养“人类命运共同体”意识。
能听懂关于环境污染的英文表达,运用本单元词汇和句式谈论环境污染和环境保护的话题;
新课讲授
Enjoy a video and answer the questions.
1.What’s the biggest problem in in our lives
2. What is pollution
3. What kinds of pollution does the video show
4. What other kinds of pollution do you know
5. What caused these problems
Pollution.
Pollution is anything that makes the
earth _________ and ______.
unhealthy
dirty
3. What kinds of pollution does the video show
4. What other kinds of pollution do you know
Air pollution and water pullution.
Noise pollution and land pullution.
5. What caused these problems
The factories that burn coal pollute the air with a lot of ____________.
Cars _____ harmful gases into the air.
Some people _______ in public places.
black smoke
pour
smoke
Factories put ______ into the river.
People are throwing ______ into the river.
waste
litter
Loud music, building houses and traffic cause the noise pollution.
Do you know what's the worst and dangerous form of pollution
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
bulding houses mobile phones Pre-listening
1a
cars
factories smoking
building houses
loud music
cars
planes
building houses
mobile phones
rubbish
littering
ships
factories
noise pollution
air pollution
water pollution
machines/
crowds…
burning/
chemical
materials…
industrial
waste …
What caused
these problems
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.
Listen and complete the sentences.
really dirty
rubbish
fish
litter
waste
government
close down
clean up
While-listening
1b
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. Then make your own conversations about the kinds of pollution in 1a.
problem
cause
solution
1c
Post-listening
Susan
Jason
What kinds of pollution are they talking about
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
While-listening
2a
Listen again and judge T or F.
1.Jason thinks that the air is badly polluted. T / F
2.Susan used to see the mountains clearly. T / F
3.People are also littering in public places. T / F
4.They think that they can do nothing to help. T / F
5.They are talking about the noise pollution. T / F
srars
something
air and land
2a
While-listening
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
Listen again and complete the sentences.
While-listening
2b
Retell according to the mind map of 2b.
environmental problems
too much rubbish and waste
badly polluted
more cars
burn coal
a lot of black smoke
litter in public places
in the streets
Post-listening
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 ...
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
Post-listening
2c
What are the advantages of riding a bike
It can cut down air pollution; it’s good for health and it doesn’t cost anything.
Read the conversation and fill in the chart.
2d
Jason Susan
air pollution
waste pollution
Ride a bike.
Take the bus or subway instead of driving.
Bring a bag to go shopping.
remember to throw rubbish in the bins and keep public places clean and beautiful.
Never take wooden chopsticks or plastic forks when he buys takeaway food.
ways
problems
Retell the conversation by filling in the blanks.
An interviewer is asking Susan and Jason their opinions on _______ polluted problems. Jason suggests taking the bus or subway __________ driving can help ___________ the air pollution. Susan adds other___________ of bike riding. It ____________ health and it doesn’t _______ anything. Susan also says simple things _____ bringing a bag while go shopping can help. And Jason never uses _________ chopsticks or _______ forks when he buys _________ food. Susan reminds people to _____________ throw rubbish in the bins ________ the public places clean and beautiful. If people work together, their actions will ________________ and ________ a better future.
solving
instead of
cut down
advantages
is good for
cost
like
wooden
plastic
takeaway
remember to
to keep
make a difference
lead to
2d
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
减少
解决
代词放中间，名词放两边
相反，而不是
花费
Role-play the conversation.
2d
Susan: Mmm, I think simple things like bringing a bag to go
shopping can help. I started doing that a year ago.
Jason: Me, too. Also, I never take wooden chopsticks or plastic
forks when I buy takeaway food. I use the ones at home.
Susan: And 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 lead to
better future!
外卖
remember to do sth
remember doing sth
keep sb/sth +adj.
make a difference to
lead to 导致
How can we live a green life and save our earth
Group work
Things which can be done by people every day:
stop riding in cars
turn off the lights when we leave a room
Things which can be done by people every day:
turn off the shower while we are washing our hair
recycle books and paper
ensure that factories get rid of waste in a responsible way
not allow activities that seriously endanger the environment
Things which have to be done by governments and organizations:
educate the public
preserve the forests
preserve endangered species
1.
2.
3.
4.
5.
Language points
1. We’re trying to save the earth! 我们正在竭尽全力拯救地球!
try to do =try one’s best to do 尽力去做某事
【翻译】我们将努力在一周内完成这项工作。
We’ll try to finish the work in a week.
try n. 尝试 have a try 试一试
v. 尝试，努力，尽力
try out: 参加…的选拔, 尝试，实验 try on：试穿
Miss Wang, let me have a try. I may know the answer.
王老师，让我试试，我或许可以知道答案。
I would like to try out for the monitor. 我愿意参加那个班长的选拔。
Can I try the coat on 我可以试穿一下那件大衣吗？
2. Everyone in this town should play a part in cleaning it up!
play a part in 在……方面起作用相当于play a role in…
A good diet plays a large part in helping people live longer.
He plays an important role in Shakespear's drama.
他在莎士比亚的戏剧中扮演一个重要角色。
健康饮食在帮助人们长寿方面起着非常大的作用。
1) 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。
2) Computers have played an important part in our daily life.
电脑在我们日常生活中扮演着重要角色。
3. …, we should take the bus or subway instead of driving.
我们应该乘公共汽车或地铁而不是开车。
instead & instead of
instead adv. “代替；反而”，作状语。
instead of “代替；而不是”，后接名词、代词、v.-ing形式、介词短语。
选用instead或instead of填空。
1) We’ll have tea in the garden _________ in the house.
2) Give me the green one _________ the red one.
3) Her aunt stayed at home _________ swimming last Sunday.
4) I didn’t have a pen, so I used a pencil _______.
5) You’ll have to ask Zhang Li ___________ me.
instead of
instead of
instead of
instead
instead of
4. It’s good for health and it doesn’t cost anything!
它对健康有好处，而且不花一分钱！
cost v. (cost, cost) 花费；使付出，指花费金钱，主语通常是物。
辨析：take, spend, cost & pay
take 花费时间, 常用于it takes sb. some time to do sth.这一句型中，其中it作形式主语
spend 花费时间和金钱，主语通常是人，常用搭配：spend … on sth. 和 spend … (in) doing sth.
pay 花费金钱，主语通常是人，常用搭配：pay for
cost 表示花费金钱或值（多少）钱，主语通常是物，常用搭配：sth. cost(s) (sb.) some money.
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
课堂总结
Turn waste into treasure.变废为宝
Use some waste to make a useful thing
and show the work in the next class.
Homework

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