Unit 13 We’re trying to save the earth A 1a-2c 课件＋音视频(共26张PPT)人教版九年级全册

(共26张PPT)
Section A 1a~2c
We’re trying to save the earth.
Unit 13
1
2
3
To learn to protect environment;
To talk about different kinds of pollution;
To master the key words and phrases:
litter, bottom, fisherman, environmental
protection, coal, advantage…
Learning objectives
What happened in the picture
The earth is polluted.
Lead in
What is pollution
What kind of pollution are they
land pollution
air pollution
water pollution
noise pollution
What can you see in the pictures in 1a
1
2
3
4
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
1a
loud music cars rubbish planes littering ships factories smoking building houses mobile phones
air pollution
litter v. 乱扔 n. 垃圾；废弃物
cars
factories
smoking
building houses
(burning, power plants)
noise pollution
water pollution
loud music
planes
building houses
mobile phones
(machines, crowds)
rubbish
littering
ships
factories
(sewage, pesticides)
Let’s know more about water pollution.
Read and try to predict the answers.
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.
系动词后 + 形容词
后加名词
请认真阅读句子，分析每空应填词性，预测所填内容
n. 底部；最下部
反义词是top (顶端；顶部)
fisherman
n.渔民；钓鱼的人
1b
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
听力原文
Check the answers!
play a part in doing sth.
参与做某事; 在做某事上起作用
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.
used to do sth. “过去常常……” 表示过去习惯性的动作但如今已不存在
play a part in doing sth. “参与做某事; 在做某事上起作用”
1c
What causes the water pollution
People throw rubbish into the river.
Factories put the waste into the river.
What can we do to solve it
We can help to clean the river.
The government should close down the factories.
The government should make serious laws about water protection.
We should save water.
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
2a
Let’s know more about air pollution.
Let’s know more about soil/land pollution.
Listen again and complete the sentences.
The air is badly polluted because there are _______________ on the road these days.
Factories that burn coal also ____________ the air with a lot of black smoke.
There is also too much rubbish and waste. People _________________ things every day.
People are also littering in ____________ like parks. This is turning beautiful places into ugly ones.
more cars
pollute
are throwing away
public places
A reporter is interviewing
Jason and Susan about the pollution.
2b
听力原文
Check the answers!
The air has become really polluted around here. I’m getting worried.
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
The problem is that…
Yes, I used to be able to see stars in the sky.
Jason
Susan
2c
What causes the air pollution
What can we do to solve it
There are more and more cars on the road. They give off the waste gas into the air.
Factories that burn coal also pollute the air with a lot of black smoke.
We can walk or ride the bike, take the bus or subway instead of driving the car.
We can plant more trees.
The government should close down the factories.
What causes the land/soil pollution
There is too much rubbish and waste. People are throwing away things everyday
People use too many plastic bags.
What can we do to solve it
We should throw the rubbish into the bins.
We can help to clean up the streets or parks.
We'd better not use wooden chopsticks or plastic bowls when we buy takeaway food.
We can bring our own bag when we go shopping.
Take actions to protect environment!
Group work
Give a report like this:
There are many serious problem about our environment.
I guess the most serious one is that... (problem)
That is because people..., and some factories...(cause)
To solve this problem, I think...(solution)
I believe that...(slogan and wish)
如今我们面临着各种各样的环境问题，请谈论一个你认为最严重的问题，分析原因并提出解决措施。最后请你想出一条环保标语来呼吁大家保护环境！
Every little thing
counts.
__________
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……
write to ...
the bottom of the river
throw litter into the river
clean up ...
land / air / noise / water pollution
turn ... into ...
summary
Homework
Write a short passage to summarize the problems we have learnt today and the suggested solutions.;
Polish your report;
Preview 2d and Grammar Focus.