Unit 13 We're trying to save the earth! Section A 1a-1c课件(共19张PPT，内嵌音视频)2023-2024学年人教版九年级英语全册

(共19张PPT)
Section A 1a-1c
Unit 13
We are trying to save the earth.
1.通过图片和师生问答，能够掌握并熟练运用跟污染相关的词汇与短语：air pollution, water pollution, throw litter into the river等。
2.通过小组合作及听力训练，能运用情态动词及现在进行时态谈论噪音污染，空气污染，水污染的产生因素及解决措施。
Learning goals
Let’s enjoy a song.
What’s wrong with our earth
Many trees are cut down so animals are losing their homes.
Wild animals are killed.
Our earth is more polluted.
Earth Day
On April 22.
Lead in : What kind of pollution do you know
water pollution
水污染
noise pollution
air pollution
land pollution
What caused the problem
water pollution
People throw litter/rubbish into the river .
Some factories put the waste water into the river.
What caused the problem
noise pollution
Loud music and building houses cause the noise pollution.
What caused the problem
air pollution
The factories burn coal to pollute the air with black smoke.
More and more cars put the waste into the air.
1a
loud music cars rubbish planes littering ships factories smoking building houses mobile phones
Self-study 1
1mins
Here are some words related to different kinds of pollution. Write them in the box below. Then add
more words.
noise pollution
____________
____________
____________
____________
air pollution
___________
___________
___________
___________
water pollution
____________
____________
____________
____________
loud music
planes
mobile phones
building houses
machines/
factories
smoking
cars
burning
ships
rubbish
littering
industrial waste …
Is the river clean What can you see
in the river
No, it is very dirty. I can see much
rubbish in the river.
2. Do you think there are fish in the river
No, there aren’t.
3. What can we do to help solve the problem
We can help clean up the river.
pre-listening
1b: Listen and complete the sentences.
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 water.
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
Self-study 2
2 mins
(at) the bottom of在...的底部
关闭工厂
清理河流
n.废弃物，垃圾 v.浪费 （time)
n.杂物，垃圾 v.乱扔
litter around
写信给政府
What’s wrong with the river
What caused the problem
How should we solve the probem
Give a report
Report:
The river was......
Because.....
How to cut down the water pollution We can......
1 mins
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!
play a part in doing sth
= play a role in参与到做某事中来，起着...的作用
作为青少年，我们每个人都要参与到拯救地球的行列中来。
As teenagers,we should play a part in saving the earth.
Self-study 3-Task 1
2 mins
2a: Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
land pollution B. air pollution
C. noise pollution D. water pollution
I hardly ever see blue skies any more.
There’s too much rubbish and waste in the streets.
Task 2: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 places into ugly ones.
more cars
pollute
are throwing away
public places
1.扔掉，丢弃 2. 浪费 ，错过
把...变成....
烧煤 v.pollute 污染 n.pollution （不可数）
water
pollution
noise
pollution
land
pollution
air
pollution
pollution
Group-work
Choose one topic to talk about what
caused the pollution and how to solve the prolem.
A: An interviewer
B/C/D: interviewees
5 mins
减少空气污染
cut down the trees
砍伐树木
cut down pollution
减少污染
cut down the cost
缩减开支
取代，代替
n.可数 优势，优点，有利条件
take advantage of
利用，欺骗，充分发挥...
反义词：disadvantage
外卖食物
把垃圾扔到垃圾桶里
有作用，影响
导致；引起，通向
lead sb .to sp.把某人带到某地
So together, our actions can make a difference and lead to a better future!
因此，我们齐心协力就能带来变化，创造更加美好的未来！
1) make a difference (to…) (对……)产生重大影响或作用
make no difference to 对……没有影响
make some difference to 对……有一些影响
make a big difference to 对……有很大影响
e.g. It makes no difference whether you accept or refuse him.
The sea air has made some difference to her health.
We love the earth. It is our planet.
We love the earth. It is our home.
Earth is our mother. Without earth,without life.
We can do it from little things,for ourselves and for our “mother”.
1.学会污染相关的词汇与短语：air polloution, water pollution, throw litter into the river等。2.学会谈论噪音污染，空气污染，水污染解决措施的句型结构。1)We’re trying our best to save the earth.2) We should/can/could plant more trees and take public transportations.
Summary