人教版九年级下册 Unit13 We're trying to save the earth! SectionA 1a-1c 课件 (共27张PPT)

(共27张PPT)
Look at our earth!
Period 1 1a-2d
Unit 13 We’re trying to save the earth.
Section
A
To talk about air pollution, water pollution and sound pollution.
To think about ways of protecting the environment.
To learn the new words: advantage, scientific
Serious pollution
We are harming our planet in so many ways.
伤害
air pollution
noise pollution
water pollution
Factories pour dangerous gases into the air.
Air pollution
Cars also pour dangerous gases into the air.
cars
smoking
Some people smoke in public places.
Noise pollution
building houses
loud music
mobile phones
planes
Water pollution
factories
rubbish
littering
ships
Where are these different kinds of pollution from？ Write them in the box below. Then add more words.
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
1a
Noise pollution
Air pollution
Water pollution
cars, factories, smoking, building houses (burning coal ) Loud music, planes, building houses, mobile phones ( machines） rubbish, littering, ships, factories ( waste water)
We must try to save the earth
Everyone should play a part in cleaning it up！
There are a lot of old newspapers at your home. What do you do
throw the old newspapers away.
recycle the old newspapers.
You go shopping. What do you do
use a lot of new plastic bags.
use my own bag.
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 own bags;
recycle books and paper;
turn off the shower when you wash your hair;
... ...
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 fishmen to catch.
really dirty
rubbish
fish
1b
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
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
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
Listen again and complete the sentences.
2b
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。
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. 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。
play a part 在……中扮演角色
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。
A:What was the problem
A:what caused the problem
A:How should the problem be
solved /What should we do
B:There is to much air polution./...
B:...
B:...
Our environment used to be...，but these days...
We must try to save the earth.Everyone should play a part in protecting it .We...