选修六unit4reading市公开课一等奖省赛课微课金奖课件.pptx

单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,*,Unit 4 Global Warming,1/68,Light our cities,Heat our buildings,-,1.What do we use energy for?,Many things,consume energy,in our daily life.,2/68,2.Where does all this energy come from?,Wind power,a coal power station,3/68,an oil refinery,a nuclear power plant,炼油厂,4/68,solar panels,hydro-electric dam,5/68,Renewable non-renewable:,energy sources,supplies of it,never run out,one day they will,run out,.,6/68,Renewable,or,non-renewable,?,7/68,Renewable,or,non-renewable,?,8/68,Coal,Oil,Natural gas,Uranium,Wind(wind power),Sun(solar energy),Water(hydro-electric power),Plant waste(biomass energy),Hot springs or geysers(geothermal energy),The sea(tidal energy),Fossil fuels,Non-renewable,Renewable,化石燃料,9/68,3.What are fossil fuels?,Ancient animal and plant material below the surface of the earth with a high carbon content,such as coal,oil and natural gas,which can be burnt to produce energy.Also known as,non-renewable energy,because once they are used they have gone forever;they cannot be renewed.,10/68,4.What is the greenhouse made and used for?,11/68,12/68,13/68,A,greenhouse,is made of glass and is used for growing plants,especially during cold weather.,14/68,5.How does it work?,The air inside is warm because the glass,traps the heat from the sun,and,keeps it from escaping,.This makes the greenhouse heat up and so the,plants can grow,throughout the,cold period,.,15/68,6.What are the“greenhouse gases”?,In the atmosphere,surrounding the earth,there are gases,which are called“greenhouse gases”,including carbon dioxide,methane(,甲烷,沼气,)and water vapor.,16/68,7.What do you think greenhouse gases do?,They,trap heat from the sun,and therefore warm the earth.,17/68,The Earth Is Becoming Warmer,But Does It Matter?,18/68,Look at the magazine title quickly and try to,find out:how is the text organized?,It has a,title;,a first paragraph,that is,in bold,;the main text;,Diagram,(graph);some,quote,s.,19/68,Fast Reading,Read the text fast,and answer the questions on page 27 Ex1,20/68,Who wrote the magazine article?What is the name of the magazine?,Sophie Armstrong,wrote the magazine article.The name of the magazine is,Earth Care,.,21/68,What are the names of the three scientists mentioned in the article?,They are Dr.Janice Foster,Charles Keeling and George,Hambley.,22/68,3.What do they think about global warming?Do they agree with one another?,They dont agree with each other.,Dr.Janice Foster,thinks,the effects of,global warming could be very,serious,.,George Hambley,thinks,global warming will be,mild,with few bad,environmental consequences,.,23/68,4.What are the two graphs about?,Graph 1 shows,the temperature increase,of one degree Fahrenheit between 1860 to.,Graph 2 shows,the carbon dioxide content,in the atmosphere from 1957 to 1997.,Graph 1:,Graph 2:,24/68,What is,the main topic,of the,article?,Global warming,25/68,Careful Reading,Read the text carefully and sum up,the main idea of each part.,26/68,Part one:,(para1),Introduce a topic /raise a question,Part two:,(para2-5),Explain how global warming comes about.,Part three:,(para6),List two different attitudes,Part four:,(para7),Draw a conclusion.,27/68,1.What is the purpose of the paragraph that is in bold?,To introduce the topic.,To illustrate(,阐述,)points by providing evidence.,2.What are the diagrams for?,Questionnaires,28/68,3.The author probably agrees that _,A.actually global warming is good for man.B.we should do nothing about the global warming.C.catastrophes will happen if the globe keeps on warming.D.a lot remains to be found out about the effects of global warming.,29/68,4.But there are some very different attitudes among scientists towards this,issue,.”,“issue,here means the same as the one in_.A.I bought the new stamp the day of its,issue,.B.They are talking about one of the key,issues,in the election campaign.C.The government is expected to,issue,a statement about the election.D.The magazine has 12,issues,each year.,30/68,Reading,Read with the tape and finish Part 2 on page 27,True/false,31/68,1.How has the global warming come about?,2.What are the effects of global,warming?,Careful Reading,Read the text again and answer the questions.,32/68,1.How has the global warming come about?,Human activity,The burning of fossil fuels,greenhouse gases,greenhouse effect,Huge quantities of,extra,carbon dioxide,(We need those gases),33/68,2.What are the effects of global warming?,Encourage a greater range of animals.,The sea level to rise.,Severe storms,floods,droughts,famines,the spread of diseases,and disappearance of species.,Make plants grow quicker.Crops will produce more.,Bad effects:,Good effects:,34/68,Of the two ideas,which are you in favor of?,The Dr Janice Fosters.,Why?,Because we have witnessed a large number of disasters predicted by some people.,35/68,tsunami,The sea level to rise.,36/68,37/68,tornados,38/68,Severe storms,droughts,famines,the spread of diseases,39/68,destruction of species,40/68,Dicussion,What should we do about the terrible effects above?,41/68,.,.,Try to reduce the use of motor vehicles,42/68,electric vehicle,bike,running,Solar energy car,43/68,Planting trees,Cleaning the rubbish,44/68,Using language,What can we do,about global warming,45/68,1.Who are the writers of the letters?,Ouyang Guang and the editor of Earth Care.,Reading,46/68,2.Whats the purpose of Ouyang Guangs letter?,To get some suggestions for what he can do about global warming.,Read Ouyangs email and answer:,47/68,3.What are Ouyang Guangs two concerns,?,The first is that he feels that individual cannot have effect on huge environmental problems.,The second is that he is not sure where to start with his project.,48/68,5.Does Earth Care agree with Ouyang Guangs opinion that individuals can have little effect?,No,Earth Care doesnt agree.,Read Earth Cares reply and answer:,49/68,6.What suggestions does Earth Care give him?,Turn electrical appliances off when not using them.,Dont turn up the heat,put on more clothes.,Walk or ride a bike,dont drive.,Recycle.,Buy things made from recycled materials.,Buy products that use less energy.,Plant trees.,Talk with family and friends about global warming.,50/68,Group Discussion,What else should our government do to slow down global warming?,51/68,1.Give money to green the surroundings and protect the forests.,52/68,2.Encourage people to find and use more renewable energy.,53/68,rare plants,rare animals,3.Make laws to protect rare plants and animals.,54/68,Return the green world to us,55/68,Lets make this world a better place!,Have a nice day.Good bye!,56/68,1,.on behalf of 代表一方；作为代言人,Id like to thank you on behalf of my family.,2,.put up with 忍受；容忍,=,tolerate,I dont know how you put up with their endless quarrels.,put forward 提出 put off 推迟；延期,put out 扑灭；熄灭 put through 接通电话,put on 穿上；上演 put down 记下；平定,put aside 储存；放在一边,57/68,I cannot,put up with,the toothache.,We cant change the bad weather,so we must,put up with,it.,I wont,put up with,her rudeness any longer!,I cant put up with stress of study,58/68,3.advocate vt.,拥护；提倡；主张,advocate(doing)sth.,提倡做某事,advocate that sb.(should)do,提倡,.,如：,I dont advocate building a factory around our school.,People advocate that something(should)be done to protect the environment.,59/68,4.-,electrical,appliance on,so long as,you are using it.,electric:,电,.,电力,(,指,产生电或用电直接产生,或用电操作等,),electric generator,发电机,an electric shock,触电,an electric light,电灯,electrical:,adj.,与电相关,concerning electricity,概括 总称电器,an electrical engineer,.,an electrical fault,.,电力故障,electrical equipment/appliances,60/68,5.so long as=as long as conj.,只要,假如,It,s OK to leave an electrical appliance on so long as you are using it.,2.,只要你不把书弄脏,就能够借给你,.,只要你在使用电器,使它处于工作状态是能够,.,You may borrow the book so long as you keep it clean.,61/68,Do you have a minute?Ive got something to tell you.,OK,_ you make it short.,A.now that B.if only,C.so long as,D.every time,点拨,now that,既然，表示原因；,if only,是,就好了，后面普通用虚拟语气；,every time,每次，每当，表示时间。,62/68,同义词组,:,on condition that ,only if,if,providing(that),provided(that),注意,:,as long as,有时表示,“,像,那么久,”,;,only if,接从句用于句首,主句主谓语倒装,;,if only,表示,“,要是,该多好啊,!,”,需要虚拟语气,.,63/68,同义表示：,You can go out,on condition that,you wear an overcoat.,You can go out _ _ _ you wear an overcoat.,You can go out _ _ you wear an overcoat.,You can go out _ you wear an overcoat.,as/so long as,provided that/providing that,/only if,if/given,providing/provided,Supposing/suppose,64/68,2,6,.circumstance n.(多用复数)环境；情况,in/under the circumstances,在这种情况下，既然如此,in/under no circumstances,绝不，不论怎样都不（置于句首时，句子部分倒装）,I dont remember all the,circumstances,of the quarrel.,65/68,We have been told that under no,circumstances _ the telephone in the,office for personal affairs.,A.may we use B.we may use,C.we could use D.did we use,66/68,惯用结构：,There is no,doubt that,毫无疑问,There is no,need to do,没有必要,There is no,question,是没有问题,There is no,reason,没有理由,There is no,possibility,that,是没有可能,There is no,knowing/telling,没法知道,/,说,There is no pointing in doing,做,没意义,It is a/no wonder that,真奇怪,/,难怪,It is,no use/good doing sth,67/68,1.Prepare the language points of this passage and underline the important ones.,2.Do the exercise on Page 28.,Homework,68/68,