Unit13 We're trying to save the earth! SectionA 1a-1c 课件(共32张PPT)

(共32张PPT)
SectionA1a----1c
To talk about air pollution, water pollution and sound pollution.
To think about ways of protecting the environment.
To learn the new words:
The earth is polluted.
Because of pollution, our sky isn’t blue any more.
Because of pollution, the water isn’t clean any more.
Because of pollution, more and more people suffer from cancer.
Because of pollution, many animals were killed.
Because of pollution, more and more animals don’t have places to live in.
There are more and more disasters（灾难）on the earth because of pollution
air pollution
The factories that
burn coal pollute
the air with a lot of
black smoke.
n. 煤炭
Can you think of the different kinds of pollution
Factories put waste into the river.
water pollution
noise pollution
There are more
cars on the road.
litter v. 乱扔
n. 垃圾
Rubbish， waste
垃圾，废弃物
People should throw away litter in the bin.
n. 垃圾箱
land pollution
1a
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
noise pollution
____________
____________
____________
____________
cars
air pollution
___________
___________
___________
___________
water pollution
____________
____________
____________
____________
loud music
planes
mobile phones
factories
cars
smoking
ships
factories
littering
rubbish
building houses
building houses
1b
Listen and complete the sentences.
What was the problem
The river was _____________. Even the
bottom (底部) of the river was full of
_________. There were no more ______
for fishermen (渔民) 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.
What do you usually do
Are you a friend of the Earth
Take this quiz.
START
After you drink a can of cola. What do you do
I throw away cans.
I recycle cans.
You throw away the cans.
That’s bad for the Earth.
You recycle the cans.
That’s good for the Earth.
There are a lot of old newspapers at your home. What do you do
I throw the old newspapers away.
I recycle the old newspapers.
You throw old newspapers away.
You waste paper.
That’s bad for the Earth.
You recycle old newspapers.
You save paper.
That’s good for the Earth.
You go shopping. What do you do
I use a lot of new plastic bags.
I use my own bag.
You use a lot of new plastic bags. That’s bad for the Earth.
You use your own bag.
That’s good for the Earth.
When you write on a piece of paper, what do you do
I write on one side only.
I write on both sides.
You use paper on one side only.
That’s bad for the Earth.
You use paper on both sides.
That’s good for the Earth.
保护环境就是保护我们自己！