Unit 22 Environmental Protection global warming

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名称 Unit 22 Environmental Protection global warming
格式 rar
文件大小 249.3KB
资源类型 教案
版本资源 北师大版
科目 英语
更新时间 2010-05-10 17:36:00

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课件12张PPT。 Global warmingCan we take the heat?我们受得了这么热吗?Air pollution全球变暖海平面上升 世界第二小国将被大海吞噬.全球变暖为祸首 Discuss what you know about global warning?
You can guess the reasons of the global warning.
You can guess the harm to our earth.
You can guess what you can do to reduce greenhouse gases.
本片讲述了未来世界由于温室效应使全球变暖,气候变异,地球陷入第二次冰河期的故事 本片讲述了未来世界由于温室效应使全球变暖,气候变异,地球陷入第二次冰河期的故事
全球变暖造成的冰川融化,使喜马拉雅山脉的冰川湖水量激增,威胁当地居民的安全。这个湖泊35年前还没有形成。 Reading:
Scan the text for these words and work out their meanings:
1. environmentalist;
2. radiate:
3. atmospheric:
4. concentration:
5. release:
6. insignificant:
7. consequence:
8. dramatic:
9. energy- efficient
Read the text again, answer the following questions:
1. what is global warning?
2. what human activities are causing global warning?
3. By how much has the global average temperature increased in the last 100 years?
4. Are greenhouse gases necessary for life on Earth?
5. How can individuals help solve the problem of global warning?Global warning is an average increase in the earth’s atmosphere.Industry, agriculture, transportation, deforestation and the burning of fuels…By 1 Yes, they are, because they trap heat in the atmosphere of the earth. Otherwise…..As individuals we can make small changes like taking public transport, recycling, using low-flow shower heads, buying energy –efficient light bulbs to…