Unit 13 We're trying to save the earth!Section A（1a-1c）课件(共16张PPT) 人教版英语九年级全册

(共16张PPT)
Section A 1a-1c
Unit 13
We're trying to save the earth!
The earth is polluted.
Lead-in
There is too much pollution on the earth.
What can we learn from the video
What kinds of pollution do you know
land pollution noise pollution air pollution water pollution
What has caused the problems
The environmental problems are really serious these days.
Environmental pollution is worse and worse.
What has caused the problems
littering
The environmental problems are really serious these days.
Environmental pollution is worse and worse.
Littering has caused land pollution .
What has caused the problems
littering
The environmental problems are really serious these days.
Environmental pollution is worse and worse.
Littering has not only caused land pollution but also water pollution.
What has caused the problems
rubbish
The environmental problems are really serious these days.
Environmental pollution is worse and worse.
People are throwing rubbish into the river. Even the bottom of the river is full of rubbish.
What has caused the problems
factories
The environmental problems are really serious these days.
Environmental pollution is worse and worse.
The factories that burn coal have polluted the air with a lot of black smoke.
What has caused the problems
factories
The environmental problems are really serious these days.
Environmental pollution is worse and worse.
The factories are putting waste into the river.
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
e.g. This unit is related to saving the earth.
这个单元和拯救地球有关。
be related to.. 与......有关
How to protect the environment
How should the environmental problems be solved
We/Everyone should...
Listen and complete the sentences.
really dirty
rubbish
fish
litter
waste
government
close down
clean up
含情态动词的被动语态：情态动词+be+v.过去分词
1b
Why
2b
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 turns beautiful parks into ugly ones.
more cars
pollute
are throwing away
public places
What should we do to save the earth
Summary
Free Talk
Environmental problems
Solutions to the problems
The environmental problems are really serious these days. Environmental pollution is worse and worse.People are throwing rubbish into the river. Even the bottom of the river is full of rubbish.The factories that burn coal have polluted the air with a lot of black smoke. People are littering in public places like parks.
To cut down the pollution, we should write to the government and ask them to close down the factories. We should stop people littering everywhere. We should help to clean up the polluted rivers.
Everyone in the world should play a part in protecting the environment.