幻灯片 1
高二选修6
Unit 4
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幻灯片 2Using language
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幻灯片 3 Skim the letters and find who the writers are and what their purpose of writing the letters is.
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幻灯片 4The first letter is written by a student who is asking for suggestions for his project — global warming.
The second letter is written by an editor of Earth Care magazine. He offers the student some suggestions on what to do about global warming.
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幻灯片 5List Earth Care’s suggestions and then in groups, discuss whether you think you can carry out each suggestion.
If you are not using electrical appliances, turn them off.
Yes
Save
energy
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幻灯片 6Yes
Save
energy
Yes
Save
energy
Yes
Save
energy
If you’re cold, put on more clothes instead of turning up the heat.
Motor vehicles use a lot of energy, so walk or ride a bike if you can.
Recycle cans, bottles, plastics and newspapers and buy things made from recycled materials.
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幻灯片 7Yes
Save
energy
Yes
Plants absorb carbon dioxide from the air.
Plant more trees.
Get your parents or friends to buy products that are made to save energy.
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幻灯片 8Yes
Together, individuals can make a difference.
Talk with your family and friends about global warming and tell them what you’ve learned.
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幻灯片 9Read the text carefully and fill in the blanks.
What can we do about global warming?
◆ Turn a(n) 1 _________________ off when you’re not using it.
◆ Put on more clothes instead of turning up the 2 _____.
◆ Walk or 3 _________ instead of taking motor vehicles.
◆ 4 ________ cans, bottles, plastics and newspapers.
electrical appliance
heat
ride a bike
Recycle
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幻灯片 10◆ Buy things made from 5 __________
__________.
◆ Buy products that are made to save 6________.
◆ 7__________ in your garden or your school yard.
◆ Talk with your family and friends about 8_______________.
recycled
materials
energy
Plant trees
global warming
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幻灯片 11I. 根据下列各句句意及所给单词的首字母或汉语提示，写出各单词的正确形式。
1. You’ll need three large c____ of paint.
3. I got out of the car but left the m______ running.
4. They decided to set up a(n) ______ (核的) power station.
5. I’ll heat it up in the _________ (微波炉).
cans
motor
nuclear
microwave
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幻灯片 12II. 用所给词的适当形式填空。
1. There was _____________ (disagree) among doctors about the best way to treat the disease.
2. _________ (pollute) from cars is the main cause of global warming.
disagreement
Pollution
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幻灯片 13III. 根据括号内的提示将下列句子补充完
整。
If she could ______________________
________ (忍受那里的条件), we would take her with us.
2. I don’t mind your knowing it ________________________ (只要事情不进一步发展).
3. If you want to save energy, you’d better not use the air conditioner, the heater _________ (等等) when it is not necessary.
put up with the conditions
there
so long as it goes no further
and so on
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幻灯片 144. I realized that she was right — and it _________________ (有影响).
made a difference
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