(共19张PPT)
Unit 4 Global Warming
---Using language
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Polar bear in the Arctic
Global warming
Carbon dioxide
Greenhouse gases
Coal
gasoline
oil
fossil fuels 化石燃料
Burning of
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What is the effect of Global Warming ?
effect
drought
flood
tsunami
tornado
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Does global warming have nothing to do with us as an individual?.
what can we do about it?
Learning objectives
Be able to get the main idea of the passage
and learn what we can do to protect our environment
Be able to foster the awareness of protecting the environment and learn how to write a poster to advocate environmental protection
1. Read the first letter and predict what the second letter is about.
A. Explaining how the way we use energy effect global warming.
B. Giving advice on how to improve the way we use energy to reduce the amount of carbon dioxide.
B
Fast-reading
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Careful-reading
2.What is Ouyang Guang’s opinion about global warming?
3.Does Earth Care agree with Ouyang Guang’s opinion ? And what opinion he has?
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Careful-reading
2.What is Ouyang Guang’s opinion about global warming?
He feels that individuals cannot have effect on huge environmental problems.
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Careful-reading
3.Does Earth Care agree with Ouyang Guang’s opinion ? And what opinion he has?
No, Earth Care doesn’t agree. He believe Individuals can make a difference to the environment.
.
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1. Turn ____________________ off when not using them.
Don’t turn up ___________. Put on ____________.
2. Walk or ride a ________. Don’t drive.
3. ________ cans, bottles, _______________ and newspapers.
Buy things made from _________________.
4. Buy things that are ___________________ energy.
5. Plant _________.
6. Talk with _______________________ about global warming.
electrical appliances
the heat
more clothes
bike
Recycle
plastic bags
recycled materials
economic with
trees
your family and friends
Suggestions given by Earth Care
4.“Remember --- your contribution counts.” Here “counts” means _____.
A. to say or name the number in order
B. to consider or regard something or somebody
D
C. to say or name the objects one by one
D. to have value, force or importance
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Does global warming have nothing to do with us as an individual?
Individuals can make a big difference
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CHANGE FROM THIS MOMENT
What can we do about it?
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A heading
Rules or suggestions
A slogan
Illustrations
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Group task
Form groups of 4 and discuss with your group members. Make a poster on how to reduce the amount of carbon dioxide.
A student is to draw an illustration and the other 3 students are to put forward at least 5 ways as well as a slogan.
Have one representative explain your work.
Presentation time
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Homework
Write a passage on what individuals can do about global warming.