《选修6Unit4GlobalWarming全单元课件》由会员分享，可在线阅读，更多相关《选修6Unit4GlobalWarming全单元课件（28页珍藏版）》请在金锄头文库上搜索。
1、Unit 3 Global WarmingWhat is energy? What do we use it for?heat , light , power, etc.Where does the energy come from? Sources of energyRenewable ?Non-Renewable?lEnergy is necessary in our life.lSources of energy are endless, so we dont have to worry about it.lThere is no trouble caused when we produ
2、ce energy from the sources.lWe can switch to other sources of energy if one is run out.Do you agree?What is greenhouse?What does it do?Where else do we see “greenhouse” effect?THE EARTH IS BECOMING WARMERBUT DOES IT MATTER?INTRODUCTION:Author _Magazine _Problem discussed_What questions will the auth
3、or explores?Sophie ArmstrongEarth CareGlobal warmingHow has it come about?Does it matter?Para 1-4Para 5-6Part 1: How has it come about?Para 1Para 2Para 3Para 4How has the temperature increased?Who has done it?How has the Co2 developed?What has caused itthe topics of each paragraphWho has done it?Wha
4、t has caused it？How has the C02 developed? How has the temperature increased?Humans Burn fossil fuelsenergy“greenhouse” gasesTrap heat from the sunThe earth gets warm“Greenhouse” EffectTrue or False1.Greenhouse effect does damage to the earth by warming it up.2.Greenhouse effect is due to human acti
5、vities.3.Humans make the greenhouse effect more serious and therefore cause global warming.FFTHow?What researches have been done?About the researches:1.What are the results of each research?2.Are they related? How?3.What the future temperature will be like?CO/CO2 went up.Temperature increased.They a
6、re positively /directly related.It is uncertain yet.Part2: Does it matter?NegativeeffectsPredictor_ temperature increase (maybe by_ degree.)Lead to _A _futurePositiveeffectsPredictor_ warming;_ environmental consequence;A_ futureJanice Foster5a catastropheGeorge HambleymildWith few bad Positive/bett
7、ergreatNegative /worseThinking after reading:1.Which idea do you believe about global warming and its effects? Why?2.Is there anything we can do about global warming?3.If the warming seems hard to slow down no matter what we do, will you keep on saving energy or reduce CO2?Films recommended: 1.难以忽以忽
8、视的真相的真相 愚蠢年代愚蠢年代2.全球全球变暖大暖大骗局局Useful language pointsUsefulphrases1.Consume energy2./3.Come about 4.Explore the questions5.A random phenomenon6.Make accurate measurement of7.Result in/lead to8.Be opposed to (opposite, opponent)9.Even if(though)10.Keep on(carry on)11.On the one handOn the other handUs
9、efulwords1.Graph; data2.Subscribe to3.Fossil Fuel4.Byproducts5.Quantity/range6.Tend to7.Trend8.Catastrophe9.Consequence10.State11.Mild(反反violent)Consume 1.Marthawouldconsumenearlyapoundofcheeseperday.2.Someofthemostefficientmicrowaveconsume70percentlesselectricitythantraditionalmodels.3.Newinformati
10、ondevices,likecomputer,Ipadorsmartphone,havechangedthewaypeopleconsumebooks.subscribe vi. 持有或者同意（某种持有或者同意（某种观点）点）Ivepersonallyneversubscribedtotheviewthateithersexissuperiortotheother.vi.订阅（书报杂志服务等）MyreasonforsubscribingtoNew Scientististokeepstepwithadvancesinscience.翻译练习有很多杂志你可以订阅来提高阅读能力。Therearem
11、anymagazinesto which youcansubscribetoimproveyourreadingability.fueln.燃料；刺激因素Runningoutoffuel,thecarbrokedown.Herstressisalsoherfueltopushherforward.v.得到燃料;供以燃料，加燃料Theystoppedatthepetrolstationtofuelup.Winningtheprizefueledhisenthusiasmaboutphotography.同根词：refuelQuantity 1.Doctorsdoencouragea quanti
12、ty of exercises,buttheyalsoinsistonabalanceddiet.2.Nowlargequantitiesofshoppingaremadethroughtheinternet.3.Youcanbeofferedalowerpriceifyoubuytheirgoodsin quantity.tend1.Peoplesubscribetotheviewthatthefattend toeatmore.2.Mostpeopletend to befriendswiththosewhoaresimilartothemselves.3.Astowhethergloba
13、lwarmingwouldleadtocatastrophe,mostpeopletend to/towards thenegativeviewpoint.4.Kidshave a natural tendency to believetheirparents.consequence1.Theconsequenceoflong-termairpollutionisthatmorepeoplesufferfromlungcancer.2.Parentsandadolescentstendstoholddifferentviews.Consequently/As a consequence,the
14、yoftenarguewitheachother.3.Dontthinkyoucangetdrunkwith few bad consequences.4.Thestormdieddown,withtheconsequence that awholecitylayinruins.stateN. area or countryN. Situation or conditionV. to speak formallyLeaders of the states are meeting in Louisville.The old house is in a risky state.The police
15、 stated that he was arrested for abusing power.派生派生词 statementIt 用法用法 （II）强调句句结构：构：It is that.(/who)作用：作用：强调句子中某成分：句子中某成分：主主语、宾语, 状状语特点：特点：对原句原句结构构时态和意和意义不不产生影响。生影响。1.It is humanactivitiesthathaveledtoglobalwarming.=_2.It is theburningoffossilfuelsthathasresultedintheincreaseintemperature.=_Human ac
16、tivities have led to global warming.The burning of fossil fuels has resulted in the increase in temperature.1.It is how we consume energy that has to be improved.2.It is theheatfromthesunthatweneedtowarmup.3.It was Lindathat/who/whom Iwastalkingtooverthephone.4.It was besidetheriverthatIlastsawheral
17、one.5.It was yesterdaynotlastweekthatwehadthemeeting.Whydoyouforgetitsofast?6.It was notuntilyougrowupthatyouwillunderstandyouparents.7.It was whereyoutookthephotothatIhadtraveledlastyear.书后后练习page 29强调句的疑句的疑问格式及回答格式及回答1.-Was it youthatcalledthepolice?-_2.Is it the greenhouseeffectthathasresultedint
18、hetemperatureincrease?-_3.-Was it intheUSthatwemeteachotherforthefirsttime?-_4.-Where was it that yougotthewatch?-_5.How is it thattheGlobalwarmingcomesabout?-_6.Who was it thatyouweretalkingtooverthephone?-_句型句型转换练习：周：周报15-A3, A4强调句和定语从句的区别强调句和定语从句的区别1.It was ten oclock1.It was ten oclock he came b
19、ack.he came back.2.It was at ten oclock 2.It was at ten oclock he came back. he came back. A. that B. when C. so A. that B. when C. so D. whichD. which3. It is autumn3. It is autumn leaves fall. leaves fall. 4. It is in autumn4. It is in autumn leaves fall. leaves fall. A. that B. when C. so A. that
20、 B. when C. so D. whichD. whichBABA2024/9/6翻翻译句子句子练习1.因因为你没关灯你没关灯我我们才浪才浪费了了许多多电。2.二氧化碳的增加二氧化碳的增加导致温室效致温室效应更更严重。重。3.我我们消耗能源的方式消耗能源的方式需要改善。需要改善。4.燃燃烧化石燃料会化石燃料会释放放大量的二氧化碳大量的二氧化碳。5.环境境往往往往影响着影响着我我们的健康。的健康。6.他持有他持有我我们应该减少能源浪减少能源浪费的的观点点。7.就是就是他他反反对全球全球变暖是个偶然暖是个偶然现象象这个个观点点吗？1.It was because you didnt turn
21、off the light that we wasted much electricity.2.It is the increase of CO2 that has resulted in a more serious greenhouse effect.。3.It is the way we consume energy that has to be improved。4.It is quantities of CO2 that burning fossil fuels will produce/let out。5.It is the environment that tends to decide our health.6.It was the view that we should reduce the waste of energy that he subscribed to.7.Is it he who is opposed to the view that global warming is a random phenomenon?
