新视野视听说第三册学习教案.pptx

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1、会计学1新视野视听新视野视听(shtng)说第三册说第三册第一页，共52页。Watchavideoclip.Workingroupstodiscussthefollowingquestions.第1页/共52页第二页，共52页。1.Whatdoyouthinkmayaccountforthenaturaldisasterinthevideoclip?2.Whatdoyouthinkmightbethecausesofwhatwashappeninginthevideoclip?第2页/共52页第三页，共52页。Workinpairsandidentifytheextremeweatherass

2、ociatedwiththefollowingpictures.ThensharewhatyouknowabouttheExtremeWeatherwithyourpartner.lighteningandthunderstormshailtornadoesflashfloodshurricaneswinterstorms第3页/共52页第四页，共52页。Workingroupstodiscussthefollowingquestions.1.Haveyouwitnessedanychangesoftheenvironmentinyourhometown?2.Whatdoyouthinkist

3、herelationshipbetweentheclimateandenvironment?3.Doyouknowsomeotherclimatedisasterscausedbythepollutionofenvironment?第4页/共52页第五页，共52页。microscopen.显微镜(anopticalinstrumentthatproducesmagnifiedimagesofsmallobjects)ElNio厄尔尼诺现象droughtn.干旱(gnhn)(alongperiodofdryweatherwhenthereislittleornorain)e.g.Freshveg

4、etableswerescarceduringthedrought.greenhouseeffect温室效应(thegradualwarmingoftheairsurroundingtheEarthasaresultofheatbeingtrappedbypollution)e.g.Carbondioxideemissioncontributestogreenhouseeffect.BasicListeningPractice第5页/共52页第六页，共52页。harnessv.利用（或控制(kngzh)）以产生能量等(controlandusethenaturalforceorpowerofs

5、omething)e.g.Theproblemwashowtoharnesstheseforces.hazardn.危险(danger;risk)e.g.Hehadputhisownlifeinhazard.CFC含氟氯烃(agasusedinfridgesandaerosolcans,harmfultotheozonelayer)aerosoln.喷雾器(acontainerinwhichliquidsarekeptunderpressureandforcedoutinspray)BasicListeningPractice第6页/共52页第七页，共52页。Questionsandkey1.

6、Q:Whichofthefollowingistrueaccordingtothedialog?B)EvenscientistscannotunderstandElNio.2.Q:Howdothemanandthewomanviewtheenvironment?D)Boththemanandthewomanthinkpositivelyaboutit.3.Q:WhathavetheChinesepeoplebeenencouragedtodo?A)Togrowtrees.4.Q:Whataregovernmentorganizationshelpingpeopletodo?A)Totreato

7、ldelectricalappliancessafely.5.Q:Whatdoesthemanmean?C)Thewomanshouldnotuseanaerosolspray.BasicListeningPractice第7页/共52页第八页，共52页。Weshouldhaveproperrespectfornature!Martha玛莎人名Ed艾德人名litterv.乱扔垃圾(lj)(leaverubbishinpublicplaces)e.g.Dontlitterthepaperoverthefloor.trashn.垃圾(lj)(somethingworthlittleornothin

8、g)e.g.Pleasetakeoutthetrash.Listeningin第8页/共52页第九页，共52页。WhilebeinginterviewedbyMartha,Edsaidmorepeopleinhisculturerespect(1)_nowthaneverbefore.Whenaskedaboutthemostserious(2)_intheworldtoday,hementionedthedamagedozonelayerandthe(3)_inbigcities.Edlearnedaboutenvironmentalproblemsatschool.Alotofclubsa

9、ndsomeTVprograms(4)_environmentalsafety.Hebelievesthatstudentsshouldlearnmoreabouttheenvironmentatschool.Thentheycanbemore(5)_alltheproblemsandpreventmoreproblems(6)_.Whenaskedaboutanew(7)_hewouldliketocreatetohelptheenvironment,hesaidthatwhenpeople(8)_theircigarettebutts,theyhavetothrowthemintotheg

10、arbagebin.Theyshouldbe(9)_iftheythrowthemonthefloororground.Personally,Edissoagainstlitteringthatheneverlitters.Healwaysthrowshis(10)_intothegarbagebin.KeynatureenvironmentalproblempollutionpromoteawareoffromoccurringlawthrowawayfinedtrashListeningin第9页/共52页第十页，共52页。RiverPollutiondiscolorv.使变色(bins)

11、(causesomethingtochangecolor)e.g.Thismaterialmaydiscolorifexposedtodirectsunlight.smellyadj.臭的(havingabadsmell;stinking)e.g.Thetoiletsinthatrestaurantwerehorriblysmellyanddirty.fertilizern.肥料(asubstancethatisputonthesoiltomakecropsgrow)e.g.Getsomemorefertilizerforthegarden.drainv.排水(flowaway)e.g.The

12、yarediggingtrenchestodrainthewateraway.Listeningin第10页/共52页第十一页，共52页。RiverPollutionconcentrationn.浓度;含量(theamountofasubstanceinaliquid)e.g.Althoughallplantsnormallycontainfluorine,theconcentrationvariesgreatly.nitraten.硝酸盐;硝酸盐类化肥phosphaten.磷酸盐;磷肥(lnfi)algaen.（复数）水藻bacterian.（复数）细菌(germs)pollutantn.污

13、染物(apollutingsubstance)cyaniden.氰化物leadn.铅Listeningin第11页/共52页第十二页，共52页。RiverPollutionmercuryn.汞,水银(shuyn)toxicadj.有毒的(poisonous)e.g.Thefactoryhadaccidentallyreleasedaquantityoftoxicwasteintothesea.filmn.薄膜;薄薄一层(athinlayer)e.g.Thisfilmofwaterisaboutfivemilesthickatitsdeepestpart.dissolvev.溶解(mixwith

14、aliquidandbecomepartofit)e.g.Bothsaltandsugardissolveeasilyinwater.Listeningin第12页/共52页第十三页，共52页。Questionsandkey1.Q:Whatisthepassagemainlyabout?D)Thecausesofriverpollution.2.Q:Whydoestheriverwaterturngreen?A)Becausenitrateandphosphateinthewaterincrease.3.Q:Whatharmdoesindustrialwastecause?B)Poisonin

15、g.4.Q:Whichofthefollowingistrueofoilpollution?C)Itpreventsoxygenfromenteringthewater.5.Q:Whatharmcanwarmwaterinariverbring?D)Lackofoxygen.Listeningin第13页/共52页第十四页，共52页。PollutionsWhenhouseholdsandfactoriesdumpsewerageandharmfulsubstancesintoriversandlakes,waterpollutioncanbeserious.Airpollutionmaywor

16、senastheeconomydevelops.Ifthesmokefromthefactorychimneysdoesnotmeetenvironmentalstandards,itpollutestheair.Also,theincreasingnumberofcarsbringsfurtherdeteriorationtothequalityoftheair.Thecigarettespeoplesmokealsocontributetothepollution.Listeningin第14页/共52页第十五页，共52页。carbondioxiden.carbondioxiden.二氧化

17、碳二氧化碳二氧化碳二氧化碳perunitofGDPperunitofGDP单位单位单位单位GDP(perunitofgrossdomesticproduct)GDP(perunitofgrossdomesticproduct)theNationalEnergyAdministrationtheNationalEnergyAdministration国家能源局国家能源局国家能源局国家能源局harmoniousadj.harmoniousadj.和谐的和谐的和谐的和谐的(witheachpartfittingwellwithother(witheachpartfittingwellwithothe

18、rparts)parts)e.g.Thereisnothingmoreharmonious,moresymmetrical,e.g.Thereisnothingmoreharmonious,moresymmetrical,thanthisthanthisgroupofstructures.groupofstructures.priorityn.priorityn.优先权优先权优先权优先权;重点重点重点重点(zhngdin)(theright(zhngdin)(therighttotobegivenbegivenattentionfirst)attentionfirst)e.g.Thereare

19、greatdangersingivingabsoluteprioritye.g.Therearegreatdangersingivingabsoluteprioritytoto anyanydepartment.department.low-carbonadj.low-carbonadj.低碳的低碳的低碳的低碳的e.g.Butouroptionsforlow-e.g.Butouroptionsforlow-carbonenergysourcesarelimited.carbonenergysourcesarelimited.hydroelectricadj.hydroelectricadj.水

20、力发电的水力发电的水力发电的水力发电的(producingelectricityby(producingelectricitybywaterpower)waterpower)e.g.Plansarebeingdrawnupe.g.Plansarebeingdrawnuptotobuildahydroelectricstationhere.buildahydroelectricstationhere.CurbingcarbonemissionsListeningin第15页/共52页第十六页，共52页。capacityn.capacityn.生产量生产量生产量生产量(theamountofsom

21、ethingthatafactory,(theamountofsomethingthatafactory,company,company,machine,etc.canproduceordealwith)machine,etc.canproduceordealwith)e.g.Isthismanufacturingcostbasedonproductione.g.Isthismanufacturingcostbasedonproductionfiguresatfullfiguresatfullcapacity?capacity?kilowattn.kilowattn.千瓦千瓦千瓦千瓦(qinw

22、)(qinw)（功率单位）（功率单位）（功率单位）（功率单位）non-fossiladj.non-fossiladj.非化石的非化石的非化石的非化石的shutdownv.shutdownv.关闭关闭关闭关闭(closedown)(closedown)e.g.Thebestradiochannelintownisindirectlyforcede.g.Thebestradiochannelintownisindirectlyforcedtoto shutdown.shutdown.curbv.curbv.抑制抑制抑制抑制(controlorlimitsomethinginorder(contro

23、lorlimitsomethinginordertotopreventitfrompreventitfromhavingaharmfuleffect)havingaharmfuleffect)e.g.Democraticelectionandpublicopinionsupervisione.g.Democraticelectionandpublicopinionsupervisionhelpcurbhelpcurbcorruption.corruption.Curbingcarbonemissions第16页/共52页第十七页，共52页。1.Q:Whatisthepassagemainlya

24、bout?1.Q:Whatisthepassagemainlyabout?D)Cuttingthecarbondioxideemissions:Chinasachievementsandproblems.D)Cuttingthecarbondioxideemissions:Chinasachievementsandproblems.2.Q:FromfouryearsagountilAugustthisyear,howmanykilowattsof2.Q:FromfouryearsagountilAugustthisyear,howmanykilowattsofcoal-firedplantca

25、pacitywillhavebeenclosed?coal-firedplantcapacitywillhavebeenclosed?D)Morethan70million.D)Morethan70million.3.Q:By2020,whatwillbetheproportionofnon-fossilenergyinthetotalpowerin3.Q:By2020,whatwillbetheproportionofnon-fossilenergyinthetotalpowerinChina?China?A)15%.A)15%.4.Q:Whichofthefollowingistrueof

26、theinvestmentbyChinaandtheUnited4.Q:WhichofthefollowingistrueoftheinvestmentbyChinaandtheUnitedStatesincleanenergylastyear?Statesincleanenergylastyear?B)ChinasinvestmentwasalmosttwiceaslargeastheUnitedStates.B)ChinasinvestmentwasalmosttwiceaslargeastheUnitedStates.5.Q:WhichofthefollowingisNOTmention

27、edinthepassageasa5.Q:WhichofthefollowingisNOTmentionedinthepassageasaproblemarisingfromcurbinggreenhousegasemissions?problemarisingfromcurbinggreenhousegasemissions?C)Causingmorestrikes.C)Causingmorestrikes.QuestionsandkeyListeningin第17页/共52页第十八页，共52页。EnvironmentcalendarFebruary 2 World Wetland Day世

28、界湿地日March 21World Forestry Day世界森林日March 22World Water Day世界水日March 23World Meteorological Day世界气象日April 7World Health Day世界健康日April 18World Heritage Day世界遗产日April 22Earth Day地球日May 31Anti Tobacco Day禁烟日(Tobecontinued)Listeningin第18页/共52页第十九页，共52页。EnvironmentcalendarJune 5World Environment Day世界环境日J

29、uly 11World Population Day世界人口日September 16World Ozone Day世界臭氧日September 28Green Consumer Day绿色消费者日October 3World Habitat Day世界居住日October 1-7World Wildlife Week世界野生动植物周October 4World Animal Welfare Day世界动物福利日October 13International Day for Natural Disaster Reduction国际减少自然灾害日(Continued)Listeningin第19

30、页/共52页第二十页，共52页。Ourglobeisindanger.humidadj.潮湿潮湿(chosh)的的(moist;damp)e.g.Intheeast,theairishumidinsummer.paneln.板板(aflatrectangularpieceofglass,wood,metal,etc.)trapv.挡住挡住(preventsomethingsuchasgasorwaterfromgettingaway)e.g.Thisiscalledthegreenhouseeffect,andthegasesthattraptheheataregreenhousegases.

31、carbonmonoxiden.一氧化碳一氧化碳SpeakingOut第20页/共52页第二十一页，共52页。ScriptJohn:Howisyourgrandma(1)_?Nora:Overthelastfewyears,grannyhasbeencomplainingthat(2)_.Shebelievestheweatherhaschanged.John:Whatshemeansistheclimateslong-termconditions.Weatherrefersonlytoday-to-dayconditions.Nora:Yeah.Shesayssummerishotter,a

32、ndwinterwetter.ButItriedtocomforther,saying,“Itsallinyourmind,granny.”John:Shesright,youknow.Thegreenhouseeffect(3)_.(Tobecontinued)gettingalongduringthisunusuallyhotweatherthehot,humidweatheriskillingherdoesbringglobalwarmingandrainSpeakingOut第21页/共52页第二十二页，共52页。Script(Continued)Nora:HowcanIexplain

33、globalwarmingandgreenhousegasestoa97-year-oldgranny?John:TellhertheEarthnowislikearealgreenhousemadeofglasspanelsthatletinlightandtrapheat.Nora:ThinkshellwanttoknowthatcarbonmonoxidefromEarthmakesgreenhousegases?John:(4)_.Nora:Illtellgranny(5)_,ortouseaerosolsprayonherhair.John:OK.Jokeaboutit,butitw

34、ontbesofunnywhen(6)_.Everybodyshouldknowwhatcausesglobalwarming.OtherwisewewontstopitnottoburnanymorewoodorcoalthepolaricecapsmeltandoceansriseSpeakingOut第22页/共52页第二十三页，共52页。GlobalwarmingGlobalwarmingistheincreaseintheaveragetemperatureoftheEarthsnear-surfaceairandoceansinrecentdecadesanditsprojecte

35、dcontinuation.Theterm“globalwarming”isaspecificexampleofthebroaderterm“climatechange”,whichcanalsorefertoglobalcooling.Incommonusagethetermreferstorecentwarmingandimpliesahumaninfluence.SpeakingOut第23页/共52页第二十四页，共52页。Rainforestswillsoonbeonlyamemory.donationn.捐赠捐赠(somethinggiventoapersonoranorganiza

36、tioninordertohelpthem)e.g.Illbesendingthemadonationinappreciationoftheirhelp.denseadj.稠密稠密(chum)的的;浓密的浓密的(withalotofthingsthatarecloselytogether)e.g.Thecityhasadensemanufacturingpopulation.vegetationn.植物植物(plantsofanareaoraregion)e.g.Thesparsevegetationwillonlyfeedasmallpopulationofanimals.Alaska阿拉斯

37、加州（美国州名）阿拉斯加州（美国州名）loggern.伐木者伐木者(apersonwhocutstrees)SpeakingOut第24页/共52页第二十五页，共52页。Susan:Susan:Hey,Chris.ThereisanenvironmentalgrouponcampusHey,Chris.Thereisanenvironmentalgrouponcampus(1)_.(1)_.Chris:Chris:Sowhat?Sowhat?Susan:Susan:Sowhat?!Dontyouwanttosavetherainforests?Sowhat?!Dontyouwanttosave

38、therainforests?Chris:Chris:Butthererenorainforestsinourcountry.(2)_Butthererenorainforestsinourcountry.(2)_._.Susan:Susan:Comeon.Arainforestisanyforestwhere(3)_Comeon.Arainforestisanyforestwhere(3)_._.Tropicalrainforestscanbefoundinhot,Tropicalrainforestscanbefoundinhot,tropicalareas,buttherearealso

39、coolrainforests,includingoneinsoutheasttropicalareas,buttherearealsocoolrainforests,includingoneinsoutheastAlaska.Alaska.Chris:Chris:Howdidyouknowthat?Howdidyouknowthat?Script(Tobecontinued)askingfordonationstosavetherainforestsTheyneedhot,tropicalclimatesheavyrainfallleadstodensevegetationSpeakingO

40、ut第25页/共52页第二十六页，共52页。(Continued)(Continued)Susan:Susan:Well,Ivejustreadabookonrainforests.Youknow,140Well,Ivejustreadabookonrainforests.Youknow,140millionpeopleliveinthemillionpeopleliveinthe worldsrainforests,and35percentofworldsrainforests,and35percentoftheworlds(4)_theworlds(4)_._.Chris:Chris:Wo

41、w!Imimpressed.Sowhatelsehaveyoulearned?Wow!Imimpressed.Sowhatelsehaveyoulearned?Susan:Susan:Mostoftheworldsrainforests(5)_Mostoftheworldsrainforests(5)_loggers,farmersanddevelopers.Theyaredisappearing_loggers,farmersanddevelopers.Theyaredisappearingatarateof100acresaminute!atarateof100acresaminute!C

42、hris:Chris:Itsterrible!Itsterrible!Susan:Susan:Yeah.Wevegotto(6)_.Now,wouldYeah.Wevegotto(6)_.Now,wouldyouliketogiveadonation?youliketogiveadonation?Chris:Chris:Sure.Sure.ScriptplantandanimalspeciesexistonlyinrainforestsareindangerofdestructionbyfindawaytosavethemSpeakingOut第26页/共52页第二十七页，共52页。Rainf

43、orestsRainforestsareforestscharacterizedbyhighrainfall,withdefinitionsbasedonaminimumnormalannualrainfallof1750-2000mm(68-78inches).Themonsoontrough,alternativelyknownastheintertropicalconvergencezone,playsasignificantroleincreatingtheclimaticconditionsnecessaryfortheEarthstropicalrainforests.Around

44、40%to75%ofallbioticspeciesareindigenoustotherainforests.Ithasbeenestimatedthattheremaybemanymillionsofspeciesofplants,insectsandmicroorganismsstillundiscoveredintropicalrainforests.Tropicalrainforestshavebeencalledthe“jewelsoftheEarth”andthe“worldslargestpharmacy”,becauseoveronequarterofnaturalmedic

45、ineshavebeendiscoveredthere.Rainforestsarealsoresponsiblefor28%oftheworldsoxygenturnover,sometimesmisnamedoxygenproduction,processingitthroughphotosynthesisfromcarbondioxideandconsumingitthroughrespiration.SpeakingOut第27页/共52页第二十八页，共52页。Whataterriblesandstorm!Mongolian.蒙古国蒙古国airborneadj.空中传播空中传播(chu

46、nb)的的(carriedthroughtheair)e.g.Also,ithelpstopreventdustandotherairbornecontaminatesfromflowingintotheroom.afforestationn.植树造林植树造林(theactofplantingtreesinordertomakeaforest)e.g.Wehavedecidedtotransformthemountainsbyafforestation.SpeakingOut第28页/共52页第二十九页，共52页。Susan:Susan:Hey,John.Youreback.Afewdaysa

47、go,(1)_Hey,John.Youreback.Afewdaysago,(1)_._.John:John:Oh,thatsbad.Oh,thatsbad.Susan:Susan:(2)_.Ihad(2)_.Ihadtowearascarfaroundmyhead.towearascarfaroundmyhead.John:John:Thedust,asIknow,comesfromMongolia.AndfrommyThedust,asIknow,comesfromMongolia.Andfrommyreadinginscience,Iveheardthedustoften(3)_read

48、inginscience,Iveheardthedustoften(3)_._.Susan:Susan:Thisisaseriousprobleminmanypartsoftheworld,Thisisaseriousprobleminmanypartsoftheworld,andunfortunatelyourcityisoneofthem.andunfortunatelyourcityisoneofthem.Script(Tobecontinued)abigsandstormhitourcityTheairwasfullofdirtandsandanddustcomesafteralong

49、periodofdroughtSpeakingOut第29页/共52页第三十页，共52页。(Continued)(Continued)John:John:Andifthedroughtcontinues,thesoiliseasilyairborne.Andifthedroughtcontinues,thesoiliseasilyairborne.Andthenifthewindcomes,(4)_onAndthenifthewindcomes,(4)_onthecoldairthatrisesup,anditcantravelverylongthecoldairthatrisesup,and

50、itcantravelverylongdistances.distances.Susan:Susan:Normally,whentheresawind,itcancleartheair,andNormally,whentheresawind,itcancleartheair,andyouhavebeautifulweather.Butwhenthedustisbroughtinyouhavebeautifulweather.Butwhenthedustisbroughtinwiththewind,thenyoucantbreathe,youcantseewell,andwiththewind,