人教版英语选修六Unit-4-Global-Warming(Using-Language：Readi课件.ppt

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 glacierscoastal 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 such 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 energy 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 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,we 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 pollution.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 and warmer is that there is too much carbon dioxide.作为一名高中生，面对全球变暖的趋势，要求作为一名高中生，面对全球变暖的趋势，要求你给世界环境组织（你给世界环境组织（WEO)写一封信。写一封信。Structure Para 1:简要概括现象或者出现的问题。简要概括现象或者出现的问题。Para 2:分析形成原因分析形成原因Para 3:提出自己的建议或解决措施。提出自己的建议或解决措施。最后写上总结性的话。最后写上总结性的话。As is known to all,.冲所周知。冲所周知。It is common that.。是很普遍的。是很普遍的 There is no doubt that.毫无疑问毫无疑问 Recently the problem of has been brought into focus.It is universally acknowleged that（全世界都知道（全世界都知道）With the rapid development of,more and more people believe that（随着（随着的发展，越来越多的人认为）的发展，越来越多的人认为）英语写作中常用句型英语写作中常用句型1 概括现象和引出问题概括现象和引出问题 there are some reasons for./to do.The cause of.is that.The reasons as follows.Obviously,if we want to do something it is essential that（显然，如果我们想要做么事，很重要的显然，如果我们想要做么事，很重要的是是）It is high time that we put an end to the(trend).（该是我该是我们停止这一趋势的时候了）们停止这一趋势的时候了）Only in this way can we（只有这样，我们才能只有这样，我们才能）英语写作中常用句型英语写作中常用句型2 说明原因和提出建议说明原因和提出建议 Therefor,you should.因此，我们应该。因此，我们应该。All in all,we cant live without.总之，我们不能没有。总之，我们不能没有。As far as im concerned,.据我所知，。据我所知，。In short,it can be said that（总之，他的意思是总之，他的意思是）Taking all these factors into consideration,we naturally/reasonably come to the conclusion that（把把所有的这些因素加以考虑，我们自然可以得出结论所有的这些因素加以考虑，我们自然可以得出结论）Hence/Therefore,wed better come to the conclusion that（因此，我们最好的出这样的结论因此，我们最好的出这样的结论）英语写作中常用句型英语写作中常用句型3 用于结尾的句型用于结尾的句型 随着圣诞节的来临，它在中国变得越来越受欢迎，是什么原因使人们迷恋这个节日哪？请列举两条原因，并指出它对中国文化的影响。最后谈谈个人的观点。Homework 随着圣诞节的来临，它在中国变得越来越受欢迎，是什么原因使人们迷恋这个节日哪？请列举两条原因，并指出它对中国文化的影响。最后谈谈个人的观点。Thank you！Nowadays,man is facing a big problemthe global warming,which is becoming more and more serious.Its said that during the 20th century the temperature of the earth rose about one degree Fahrenheit.All scientists subscribe to the view that the phenomenon is caused mainly by burning of fossil fuels like coal,natural gas and oil to produce energy.As far as Im concerned,the rapid increase of population is the most important reason.It is high time that something was done about it,for example,we should walk or ride a bike instead of driving a car if you can,and you can plant trees in your garden or your school yard.By doing these,I hope we can reduce the greenhouse gas and protect the earth.there is no doubt that the Christmas is the biggest festival，which becomes more and more popular in China.With the festival approaching,the streets are decorated with lights and colorful baloons.The goods of the shops are at a discount.why are the people craze about