高中英语 Book 7 Unit 2 Global Warming课件 冀教版选修7

UnitTwo

GlobalWarming临邑二中陈临邑二中陈临邑二中陈临邑二中陈Theearthisourmostpreciousresource.Itgivesuslife;itiswherewelive.Whatwilltheworldlikeinahundredyears?WhilescientistsmightdisagreeabouttheeffectsOfglobalwarming,theyagreethatitishappening,andthatitwillchangethefaceoftheplanet.临邑二中陈Cheattheearthandtheearthwillcheatyou.——ChineseProverb临邑二中陈临邑二中陈临邑二中陈临邑二中陈Thebeautifulearthisourhome.Doyoulovetolivehere?临邑二中陈garbagedeforestationdesertificationStarvation临邑二中陈Airpollution临邑二中陈deforestation临邑二中陈Waterpollution临邑二中陈Theareaofdesertisgrowing.

desertification临邑二中陈toomanysheepandcattleallthegrassbeeaten

grassnevergrowagain;thelandbecomedesert临邑二中陈treesbecutdownnothingtohold…soilbeblownawaysoilbewashedaway…临邑二中陈treesbedestroyedfishbekilled临邑二中陈smog临邑二中陈mostseriousproblems临邑二中陈WaterpollutionTrash/GarbageAirPollution临邑二中陈DeforestationDesertificationStarvation临邑二中陈Afterseeingthepictures,doyoustillenjoylivingontheearth?临邑二中陈临邑二中陈Readthepassageandtellthemainideaofthedialogue.Debatesaboutthereasonsfortheglobewarming.临邑二中陈TrueorFalseorINP1.TheplayissetinBeijing,whereaninternationalconferenceonclimatechangeisbeingheld.2.ScientistNo.1isoptimistic,andScientistNo.2ispessimistic,aboutglobewarming.3.ScientistNo.2believesthatwehavemisreadandmisinterpretedchangesintemperature.4.SmokestackIndustriesarefromHongKong.5.Carbondioxidecomesfromfactories.6.Theplaytellsusthatwearesafe,thattreesarecontinuingtogrow,andthattheearthwilllastmillionsofyears.FalseFalseTrueINPTrueFalse临邑二中陈Readandlookforinformation:1.ListthreethingsScientistNo.1mentionedtosupportherideathatweareindanger.●Industrialactivitybyhumansisproducingmuchpollution.●Asortofgreenhousenowsurroundstheearth.Thegreenhouseallowsthesun’srayin,butpreventharmfulgasesfromescaping.●Thewarmweatherwillcausebigchangesinforestryandagriculture临邑二中陈2.ListfourthingsScientistNo.2mentionedinsupportofhisideathatthingsarenotanyworsethantheywere.●Manyfactorsarecausingtheearth’stemperaturetorise.●Mostofourtemperature-measuringdevicesarelocatedincities,whichhavemillionsofpeopleandcreatedtheirown“heatislands”.●Thismightexaggeratetemperaturereading.●Evenifclimatewarmingdoesoccuraspredicted,itwillnotbethefirsttimeintheearth’shistory.临邑二中陈3.ThemainideaofwhatSmokestackIndustriessaidis:●Ineedcoal/oil(fue,energy)●4.ThemainideaofwhatAutomobilesaidis:5.ThemainideaofwhattheEarthsaidis:●Ineedgasandoilafterall.Iexpecttobehereforalongtime,andIneedtobetakencareof.临邑二中陈discussion1.Howdoesthegreenhouseeffectdevelop?2.Whatroledotreesplayinachievingourenvironmentalbalance?临邑二中陈Languagepoints:1.sb.bebelievedtobe/do…Itisbelievedthat…Itisreportedthatanotherman-madesatellitehasbeenputintoorbit.believed/said/reported/considered/thought/supposed/known/expected/announced/decided/declared/understood/predicted预计Anotherman-madesatelliteisreportedtohavebeenputintoorbit.临邑二中陈2.…ifnotcenturies.Thefluisbelieved___byvirusesthatliketoreproduceinthecellsinsidethehumannoseandthroat.A.causingB.tobecausedC.beingcausedD.tohavecausedIfnecessary,youcanusemycar.Ifindoubt,askapoliceman.Ifleftuntreated,hisillnesscouldresultinblindness.ifnot/ifany/ifever/ifso临邑二中陈I’llgoifyou’regoing---Ifnot,I’dratherstayathome.(要不)Theyknewtheyhadtosavethetrees.Ifnot,theywouldhavenowordatall.(不然)Therearefewpeoplenowadays,ifany,whorememberhim.Sheseldom,ifever,goestothecinema.(几乎;即使…也)临邑二中陈3.bereleasedby…v/n放开,释放;免除,解除Shedidn`tstruggle,releasingherhands.…没有透露…

Thelatestdevelopmentshavejustbeenreleasedtothemedia.allowsthtobemadeknownv/n.发布(新闻,消息);发行(书,电影,唱片)Thepolicehavereleasednofurtherdetailsabouttheaccident.Theactor’snewfilmwillbereleasednextmonth.ThenewsoftwareisplannedforreleaseinApril.临邑二中陈(在进行,在举行)4.beunderway---havingstartedandandmakingprogressTheprojectisnowwellunderway.Abattletoconquernaturegotunderway.---Don’tyouagree?---Oh,absolutely!5.Absolutely!---Yes/Certainly/Quiteso(正是,那当然,对极了)It’sabsolutelyimpossible.(绝对地,完全地)=completelyYouareabsolutelywrong.Iknowabsolutelynothingaboutit.(确实地,全然地)=atall临邑二中陈6.Thereportmakesitperfectlyclearthat…1)believe,consider,think,find,feel,find,makeWefinditdifficultthatweshouldfinishtheworkontime.Theymakeitarulethattheydomorningexercises.2)动词+介词构成的短语后接that从句时,要用形式宾语it我们发现很难按时完成这个工作.他们习惯于每天做早操.Ishallseetoitthatheistakengoodcareofwhenyouareabsent.保证/确保，务必让…it做形式成分Wearethinkingofitthatwe’lllendyousomemoney.临邑二中陈Ihateitwhenpeopletalkwiththeirmouthsfull.3)like,enjoy,love,hate,takeIlikeitintheautumnwhentheweatherisclearandbright.Wetookitforgrantedthathewouldcome.Youmaytakeitfrommethatheishonest.临邑二中陈7.Withallduerespect,…尽管对阁下尊敬之至(用于客气地对对方的观点提出异议)Withallduerespect,Imustdisagreewithwhatyouhavejustsaid.(恕我直言)Ithinkyouarewronginmanyrespects.Givehimmybestrespects.8.Byallmeans.---Ofcourse/Certainly.

---ShallIaskhimtocomein?---Byallmeans.Wemustgettherebyallmeansbeforehegoesaway.=byeverymeans(想尽一切办法,一定要)=aspect(s)临邑二中陈bynomeansbythismeansbymeansof=notatall决不,一点都不=inthisway=byusingsth/withthehelpof用,借助于济南决不比杭州美丽.BynomeansisJi’nanmorebeautifulthanHangzou.Thoughtsareexpressedbymeansofspeech.meansn.方法,手段

(单复数同形)Allpossiblemeans______beentried.Takingaplaneis____quickestmeansofgettingthere.A.aB.an