(共34张PPT)
人教版2022-2023年度九年级英语全册同步课件
Unit 13 We’re trying to save the earth!
Section A(1a-2d)
Learning objectives
1. To learn some words and expressions.
2. To learn to talk about pollution and environmental protection.
3. To understand the passage about recycling.
Lead in
Why is the difference
The earth is polluted.
Factories throw waste into the rivers.
water pollution
n. 煤炭
air pollution
The factories that burn coal pollute the air with a lot of
black smoke.
waste pollution
People should throw away litter in the bin.
n. 垃圾箱
noise pollution
There are more cars on the road.
Here are some words related to different kinds of pollution.
Write them in the box below. Then add more words.
01
1a
02
04
noise pullotion
air pollution
water pollution
cars
factories smoking
building housesories smoking
building houses
Loud music
cars
planes
building houses
mobile phones
rubbish
littering
ships
factoriesobish
littering
ships
factories
Listen and complete the sentences.
1b
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
Listen again and answer the questions.
He wants to go swimming in the river.
Because 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.
It used to be so clean.
2. Why doesn’t Mark want to go with Tony
What does Tony want to do later this afternoon
3. How was the river in the past
used to do sth.
“过去常常……” 表示过去习惯性但如今已不存在的动作
play a part in doing sth.
“参与做某事; 在做某事上起作用”
Role-play the conversation.
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 throwing litter into the river.
Tony: Everyone in this town should play a part in cleaning it up!
The air was dirty. The smoke from factories was black.
But it used to be so clean!
We should write to the government and ask them
to close down the factories.
Yes, but people are polluting the air.
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 努力去做某事
e.g. We’ll try to finish the work in a week. 我们将努力在一周内完成这项工作。
2.Here are some words related to different kinds of pollution. be related to 与……有关
e.g. Is the driver related to the accident 司机和这起事故有关吗？
3. Even the bottom of the river was full of rubbish.
Yes, but people are throwing litter into the river.
litter和rubbish都可指“垃圾”，用作不可数名词。
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。
rubbish指“没用的东西（被扔或将要丢弃的无用的东西）”不可回收。
4.Everyone in this town should play a part in cleaning it up!
play a part in 在……方面起作用
e.g. 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。
Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
2a
A. land pollution B. air pollution
C. noise pollution D. water pollution
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 parks into ugly ones.
more cars
pollute
are throwing away
public places
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 very worried.
Susan: Yes, I used to be able to see stars in the sky.
Jason: The problem is that…
What are your ideas for solving the air pollution / waste pollution problem
We should plant more trees.
What are your ideas for solving the problem of air pollution
Use your own chopsticks when you buy takeaway food.
takeaway n. 外卖食物
What are your ideas for solving the problem of waste pollution
We should bring a bag when we go shopping.
We shouldn’t use plastic bags and throw them everywhere.
What are your ideas for solving the problem of waste pollution
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
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 a better future!
Read the conversation in 2d and fill in the chart.
Pollution Ways to solve the problem
Air pollution
Waste pollution
Ride a bike, take the bus or subway instead of
driving.
Bring a bag to go shopping.
Don’t take wooden chopsticks or plastic forks when you buy takeaway food.
Throw rubbish in the bins.
1. We should take _______ or _______ instead of driving.
2. We should also _______ ______ _____. It’s good for health!
3. Bring _______ to go shopping.
4. Never take _________________ or __________ when buying takeaway food.
5. ______________ in the bins and keep public places clean and beautiful.
the bus
subway
ride
a
bike
a bag
wooden chopsticks
plastic forks
Throw rubbish
What should we do
给……写信
河底
往河里扔垃圾
把……打扫干净
土地 / 空气 / 噪音 / 水污染
把……变成……
减少空气污染
write to ...
the bottom of the river
throw litter into the river
clean up ...
land / air / noise / water pollution
turn ... into ...
cut down air pollution
重点短语
代替
对……有好处
外卖食品
保持公共场所干净美观
影响；有作用
带来；导致
instead of
be good for ...
takeaway food
keep public places clean and beautiful
make a difference
lead to
Summary
1.We have learnt to talk about air pollution, waste pollution and ways to solve the problems.
2. We have listened some listening materials.
3. We have learnt some key words and useful expressions
根据句意选择方框中恰当的短语填空。
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.
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.
clean up
plays a part in
lead to
write to, lead to, clean up, cut down, play a part in
write to
cut down
Homework
1. Survey the students in your class.
Do you… Names
recycle paper
turn off lights in the house
…
2. Make something out of rubbish with
your partner.
谢谢
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