英语九年级全一册Unit 13 We're trying to save the earth Section A2a-2d 课件 (共有30张ppt，无音频）

(共30张PPT)
Section A
2a-2d
Unit 13
We’re trying to save the earth！
Learning Aims
1.To talk about air pollution, water pollution and sound pollution.
2.To think about ways of protecting the environment.
3.To learn the new words: advantage, scientific
The earth is polluted.
Lead-in
The air is badly ________. We can’t see the blue sky.
air pollution
polluted
The river is badly polluted. We can’t see the fish
water pollution
The land is polluted
land pollution
What caused the air pollution
The factories that
burn coal pollute
the air with a lot of
black smoke.
Factories put waste into the river.
What caused the water pollution
What caused the noise pollution
There are more
cars on the road.
What should we do to save the earth
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
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 away every day.
4. People are also littering in____________ like parks. Th is turns beautiful parks into ugly places.
more car
pollute
are throwing away
public places
2b
Listen again and complete the sentences.
Jason: The air has become really
polluted around here. I’m really
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.
2c
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. Other advantages of
bike riding are that it’s good for health
and it doesn’t cost anything!
2d
Role-play the conversation.
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.
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
cans and keep public places clean and
beautiful for everyone.
Interviewer: So together, our actions can
make a difference and
lead to a better future!
Pollution and environmental
protection
________________
__________________
Kinds of pollution
Solutions
Call on （号召）people to protect the
earth
common people
the government
Kinds of
pollution
air pollution
people throw the rubbish into the river. As a result, water is heavily polluted. Water pollution kills fish and pollutes our drinking water.
People are used to using plastic bags when they go shopping.
It is turing beautiful places into ugly ones.
water pollution
land pollution
noise
pollution
light pollution
Light pollution do harm to our eyes and it also wastes energy.
It's the most serous problem.
It’s dangerous to all the living things on the earth.
It makes us more easily get angry and even
causes hearing loss.
and reasons
What are your suggestions for cutting down the pollution
Environmental protection
press conference
Group work : make a poster to ask more people to protect the environment.
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
努力去做某事
Language points
Every student should try to study hard in order to study in a university.
为了进入大学学习，每个学生都应该努力学习。
2. Here are some words related to different kinds of pollution.
be related to 与…有关
I am not related to him in any way.
我和他无任何关系。
3. Everyone in this town should play a part in cleaning it up!
play a part in 在……方面起作用
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。
4. Even the bottom of the river was full of rubbish.
Yes, but people are throwing litter into the river.
litter 和 rubbish :“垃圾”，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
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)”还可回收
Throw the rubbish out.
Pick up your litter after a picnic.
我都 学会了!
本课句型
Summary
pollution
fishermen
wooden
advantages
Exercises
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.
cost
spent
takes
4. You should __________ some time practising your pronunciation.
5. My brother _______ 6, 000 yuan for the new computer yesterday.
Homework
1. Copy the new words and remember them.
2. Read the listening materials of 1b, 2a.
Thank you !