人教版英语选修六Unit-4-Global-Warming(Using-Language:Readi课件.ppt
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1、Unit 4 Book Reading and writing Global WarmingWhat causes Global Warming?give off too much poisonous gas the number of cars increases population growth too much rubbish cut down too many trees consume too much energy What are the effects of Global Warming on the world?sea-level risemelting glaciersc
2、oastal cities flooded the shortage of water resource species disappear affect the crop grow affect the heath of humans changes of weather What can we do about Global warming?Scan the first letterWhat is Ouyang guangs opinion about environment problems?individuals(个人)(个人)can have little effect on suc
3、h huge environmental problems.However,people should advocate improvements in the way we use energy today.situationssuggestionstoo much rubbish cars increases consume too much energycut down too many treesWhat can we do about Global Warming?plant more trees 1 buy products that are economical with ene
4、rgy 2 turn off electrical appliance 3 put on more clothes Walk or ride a bike recycle cans,bottles,plastic bags and newspapers and buy things made from recycled materials After reading the letters,let us find out the useful expressions.phraseson behalf of have little/an effect on in the way have the
5、 power to do make a difference put up with as a result of turn off/up put on instead of as well as be made from/of talk with 学即模仿;习即重复1 Tv programs have a great effect on our life.环境对孩子的成长有很大的影响环境对孩子的成长有很大的影响The environment has a great effect on the growth of children.2 As long as you do your best,w
6、e are happy.只要我们一起努力,世界将会变的更美丽。只要我们一起努力,世界将会变的更美丽。As long as we work hard togther,the world will become more beautiful。3 There are a few suggestions on how to reduce it.面对环境问题,生活中有很多事情可以做面对环境问题,生活中有很多事情可以做来阻止空气污染。来阻止空气污染。Facing environmental problems,there are a lot of things to do to stop air pollu
7、tion.3 There is no doubt that you are clever.(毫无疑问)毫无疑问毫无疑问是人类的活动引起的全球是人类的活动引起的全球变暖变暖There is no doubt that human activities cause Global Warming.4 The reason why he was late was that his bike was broken.为什么为什么地球变得越来越热,地球变得越来越热,理由是理由是有有太多的二氧化碳在空气中。太多的二氧化碳在空气中。The reason why the earth becomes warmer
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