选修6Unit4GlobalWarming全单元市公开课一等奖省赛课微课金奖PPT课件.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2016-03-23,#,Unit 3 Global Warming,1/28,What is energy?What do we use it for?,heat,light,power,etc.,2/28,Where does the energy come from?,Sources of energy,Renewable?,Non-Renewable?,3/28,Energy is necessary in our life.,Sources of energy are endless,so we dont have to worry about it.,There is no trouble caused when we produce energy from the sources.,We can switch to other sources of energy if one is run out.,Do you agree?,4/28,What is greenhouse?What does it do?,Where else do we see,“greenhouse”effect?,5/28,THE EARTH IS BECOMING WARMERBUT DOES IT MATTER?,INTRODUCTION,:,Author _,Magazine _,Problem discussed_,What questions will the author explores?,Sophie Armstrong,Earth Care,Global warming,How has,it,come about,?,Does,it,matter?,Para 1-4,Para 5-6,6/28,Part 1:How has it come about?,Para 1,Para 2,Para 3,Para 4,How has the temperature increased?,Who has done it?,How has the Co2 developed?,What has caused it,the topics of each paragraph,Who has done it?,What has caused,it,？,How has the C,0,2,developed?,How,has the temperature increased,?,7/28,Humans,Burn,fossil,fuels,energy,“greenhouse”gases,Trap heat from the sun,The earth gets warm,“Greenhouse”Effect,8/28,True or False,Greenhouse,effect does damage to the earth by warming it up,.,Greenhouse effect is due to human activities.,Humans make the greenhouse effect more serious and therefore cause global warming.,F,F,T,How?,9/28,What researches have been done?,About the researches:,What are the results of each research?,Are they related?How?,What the future temperature will be like?,CO,/,CO,2,went up.,Temperature,increased.,They are positively/directly related.,It is uncertain yet.,10/28,Part2:Does it matter?,Negative effects,Predictor_,_ temperature,increase,(maybe by_ degree.),Lead to _,A _future,Positive effects,Predictor_,_ warming;,_ environmental consequence;,A_ future,Janice Foster,5,a catastrophe,George Hambley,mild,With few bad,Positive,/better,great,Negative/worse,11/28,Thinking after reading:,Which idea do you believe about global warming and its effects?Why?,Is there anything we can do about global warming?,If the warming seems hard to slow down no matter what we do,will you keep on saving energy or reduce CO,2,?,12/28,Films recommended,:,难以忽略真相,愚蠢年代,全球变暖大骗局,13/28,Useful language points,Useful phrases,Consume energy,/,Come about,Explore the questions,A random phenomenon,Make accurate,measurement,of,Result in/lead to,Be opposed to(opposite,opponent),Even if(though),Keep on(carry on),On the one handOn the other hand,Useful words,Graph;data,Subscribe to,Fossil Fuel,Byproducts,Quantity/range,Tend to,Trend,Catastrophe,Consequence,State,Mild(,反,violent),14/28,Consume,Martha would,consume,nearly a pound of cheese per day.,Some of the most efficient microwave,consume,70 percent less electricity than traditional models.,New information devices,like computer,Ipad or smart phone,have changed the way people,consume,books.,15/28,subscribe,vi.,持有或者同意（某种观点）,Ive personally never,subscribed to the view,that either sex is superior to the other.,vi.,订阅（书报杂志服务等）,My reason for,subscribing to,New Scientist,is to keep step with advances in science.,翻译练习,有很多杂志你能够订阅来提升阅读能力。,There are many magazines,to which,you can,subscribe,to improve your reading ability,.,16/28,fuel,n.,燃料；刺激原因,Running out of,fuel,the car broke down.,Her stress is also her,fuel,to push her forward.,v.,得到燃料,;,供以燃料，加燃料,They stopped at the petrol station to,fuel up.,Winning the prize,fueled,his enthusiasm about photography.,同根词：,refuel,17/28,Quantity,Doctors do encourage,a quantity of,exercises,but they also insist on a balanced diet.,Now large,quantities,of,shopping,are,made through the internet.,You can be offered a lower price if you buy their goods,in quantity.,18/28,tend,People subscribe to the view that the fat,tend to,eat more.,Most people,tend to,be friends with those who are similar to themselves.,As to whether global warming would lead to catastrophe,most people,tend to/towards,the negative viewpoint.,Kids,have a,natural,tendency,to,believe their parents.,19/28,consequence,The,consequence,of long-term air pollution is that more people suffer from lung cancer.,Parents and adolescents tends to hold different views.,Consequently/As a consequence,they often argue with each other.,Dont think you can get drunk,with,few,bad consequences.,The storm died down,with,the,consequence that,a whole city lay in ruins.,20/28,state,N.area or country,N.Situation or condition,V.to speak formally,Leaders of the,states,are meeting in,Louisville.,The old house is in a risky,state,.,The,police,stated,that he was arrested for,abusing power.,派生词,statement,21/28,It,使用方法（,II,）强调句,结构：,It is that.(/who),作用：强调句子中某成份：,主语、宾语,状语,特点：对原句结构时态和意义不产生影响。,It is,human activities,that,have led to global warming.=_,It is,the burning of fossil fuels,that,has resulted in the increase in temperature.=_,Human,activities,have,led to global,warming.,The,burning of fossil,fuels,has,resulted in the increase in temperature,.,22/28,It is how we consume energy that has to be improved.,It,is,the heat from the sun,that,we need to warm up.,It was,Linda,that/,who/whom,I was talking to over the,phone.,It was,beside the river,that,I last saw her alone.,It was,yesterday not last week,that,we had the meeting.Why do you forget it so fast?,It was,not until you grow up,that,you will understand you parents.,It was,where you took the photo,that,I had traveled last year.,书后练习,page 29,23/28,强调句疑问格式及回答,-Was it,you,that,called the police?-_,Is it,the,greenhouse effect,that,has resulted in the temperature increase?-_,-Was it,in the US,that,we met each other for the first time?-_,24/28,-Where,was it that,you got the watch?-_,How,is it that,the Global warming comes about?-_,Who,was it that,you were talking to over the phone?-_,句型转换练习：周报,15-A3,A4,25/28,强调,句和定语从句区分,1.It was ten oclock,he came back.,2.It was at ten oclock,he came back.,A.that B.when C.so D.which,3.It is autumn,leaves fall.,4.It is in autumn,leaves fall.,A.that B.when C.so D.which,2026/5/3 周日,B,A,B,A,26/28,翻译句子练习,因为你没关灯,我们才浪费了许多电。,二氧化碳增加,造成温室效应更严重。,我们消耗能源方式,需要改进。,燃烧化石燃料会释放,大量二氧化碳,。,环境,往往,影响着,我们健康。,他持有,我们应该降低能源浪费观点,。,就是,他,反对全球变暖是个偶然现象这个观点吗？,27/28,It was,because you didnt turn off the light,that we wasted much electricity.,It is,the increase of CO2,that has resulted in a more serious greenhouse effect.,。,It is,the way we consume energy,that has to be improved,。,It is,quantities of CO2,that burning fossil fuels will produce/let out,。,It is,the environment,that tends to decide our health.,It was,the view that we should reduce the waste of energy,that he subscribed to.,Is it,he,who is opposed to the view that global warming is a random phenomenon?,28/28,