文档介绍：Unit 13 We are trying to save the earth!
Section A
Warming Up
The earth is polluted.
air pollution
The factories that burn coal pollute the air with a lot of black smoke.
Factories put waste into the river.
water pollution
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
____________
____________
____________
____________
air pollution
___________
___________
___________
___________
water pollution
____________
____________
____________
____________
loud music
planes
mobile phones
building houses
factories
cars
smoking
ships
factories
littering
rubbish
building houses
Listen plete the sentences.
really dirty
rubbish
fish
litter
waste
government
close down
clean up
Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.
The river was dirty. Even the bottom of the river was full of rubbish.
But it used to be so clean!
Yes, but people are throwing litter into the river.
Everyone in this town should play a part in cleaning it up!