英语九年级Unit 13 We're trying to save the earth! Section A 1a-1c 课件（共有PPT27张，无音频）

(共27张PPT)
Section A
Unit 13
We’re trying to save the earth！
1a-1c
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
litter v. 乱扔 n.垃圾；废弃物
bottom n.底部；最下部
fisherman n.
钓鱼的人
Factories pour dangerous gases into the air.
Dad, what’s the acid rain
Natural resources are disappearing at a dangerous rate.
以危险的速度
1a
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. (P97)
loud music cars rubbish planes
littering ships factories smoking building houses mobile phones
Noise pollution:
loud music, planes, building houses, mobile phones
Air pollution:
cars, factories, smoking, building houses
Water pollution:
rubbish, littering, ships, factories
noise pullotion
air pollution
water pollution
cars, factories, smoking, building houses(burning, power plants, nuclear waste disposal) Loud music, planes, building houses, mobile phones(machines, crowds, vihicles) rubbish, littering, ships, factories(sewage, industrial waste, pesticides)
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 fishmen to catch.
really dirty
rubbish
fish
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.
litter
waste
government
close down
clean up
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.
1c
Help save the earth
We must think of better way to treat our planet in future.
close down the factories;
help to clean up the river;
take the bus or subway;
ride a bike;
bring a bag to go shopping,throw rubbish in the cans;
turn off the lights when you leave a room;
use paper or resusable bags;
recycle books and paper;
turn off the shower when you wash your hair;
don't use napkins;
rethink,reuse, recycle ... ...
solutions
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. 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。
Language points
2. Here are some words related to different kinds of pollution.
be related to 与…有关
e.g. 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
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。
play a part 在……中扮演角色
e.g. He was invited to play a part in this TV
play.
他被邀请参加这个电视剧的演出。
我都 学会了!
本课句型
Summary
1. The street _____ ______ _____ (充满了)
rubbish.
2. __________ (litter) causes pollution.
3. Factories are putting ____________ (pollute) water into the river.
is full of
Littering
polluted
Exercises
4. The city _________ _______ (过去) be
so clean.
5. We should play a part in _________
(clean) the city up.
6. There _______ _____ _____ (过去有) so
many trees on the hills.
used to
cleaning
used to be
7. 根据汉语意思完成句子。
不要将房间弄得乱糟糟的。
_______ _______ ______ the room.
8. She painted herself thick and ______.
A. ugly B. uglify C. uglily
Don't litter up
A
Homework
（1）New words and expressions.
（2）Write a short passage about pollution and what we should do about them.
It's everyone's duty to protect the environment.
Thank you !