(共17张PPT)
Unit 13
We're trying to save the earth!
Section A(1a-1c)
What makes the earth get worse
Lead in
noise pollution
air pollution
water pollution
loud music
cars
plane
building houses
mobile phones
cars
rubbish
plane
littering
ships
factories
smoking
building houses
rubbish
littering
ships
factories
Discuss
1.What kind of pollution do we have
2.What caused this pollution
Tony
Mark
1b
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 fishermen to catch
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.
really dirty
rubbish
fish
litter
waste
government
close down
clean up
湖底
把...扔进
把....放进
What should we do to save the earth
Don’t use paper napkins.
Take a bus or ride your bike to work.
We can turn off the lights when you leave a room.
We can ask the government or other organizations for help.
Make a summary
the sentences about the ways to improve the environment:
Remember to throw rubbish into the bins and keep public places clean and beautiful for everyone.
Recycle books and paper.
Turn off the shower while you are washing your hair.
To cut down air pollution, we should take the bus or subway instead of driving.
Taking your own bags when shopping.
Give a report
First of all, to cut down air pollution, we should ...... , we shouldn’t ..... Second, as for noise pollution, we are supposed to...., we shouldn't.... Third, about water pollution,we should...,we can't....
The earth is our home and we have the duty to take care of it for ourselves. So I hope that you can take my advice. Thank you.
Kinds of pollution Ways to cut down
air pollution To cut down air pollution, we should take the bus or subway instead of driving.
noise pollution keep voice down in public places
water pollution take off the shower while washing hair
1c
Role-play the conversation.
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 throwing litter into the river.
Tony: Everyone in this town should play a part in cleaning
it up!
Make your own conversations about the kinds of pollution in 1a.
句子翻译。
1. 牛奶对孩子们的健康有
好处。
2. Cindy,请记得帮我寄
信。
3. 刚才Joe重重地摔到楼梯
下面。
1. Milk is good for children’s
health.
2. Cindy, please remember to
help me send the letter.
3. Joe landed heavily at the
bottom of the stairs just now.
Homework
Make a composition by yourself.
Write a passage to state your ideas about the environmental problems in your city and your suggestions.
In your letter, describe the environmental
problems in your town/city.
1. What are the problems
2. Where are they
3. What or who is causing these problems
Then, give suggestions or possible ways to solve the problems.
Dear Mayor,
I’m glad to write this letter to you. I’d like to talk about the environment in our city.
Our city is not as beautiful as before. Environmental problems are becoming more and more serious. The river is ......,and people are.... Factories are....I think it is time to play a part in saving the earth.
First of all, to cut down air pollution, we should ...... , we shouldn’t ..... Second, as for noise pollution, we are supposed to...., we shouldn't.... Third, about water pollution,we should...,we can't....
The earth is our home and we have the duty to take care of it for ourselves. So I hope that you can take my advice. Thank you.