Unit3EnvironmentalProtectionReadingandThinking课件高中英语人教版选择性2

UNIT3

EnvironmentalProtectionEarthprovidesenoughtosatisfyeveryman’sneeds,butnoteveryman’sgreed.地球能满足人类的需要，但满足不了人类的贪婪。—MohandasK.Gandhi1.Whatcanyouseeinthepicture?2.Whatisthecauseofthisphenomenon?meltingglacier地球能满足人类的需要，但满足不了人类的贪婪。

Earthprovidesenoughtosatisfyeveryman’sneeds,butnoteveryman’sgreed.GlobalwarmingWhataretheextremeweatheranddisastersmentionedinthevideo?drought[draʊt]flood[flʌd]Storm（stɔːm）sealevelriseheatwavefireGlobalwarmingClimatechangeWhatdoyouthinkcausessuchextremeweatheranddisasters?Whatis“GlobalWarming”?Whatdoyouknowaboutglobalwarming?

ReadingandthinkingClimateChangeRequiresTheWorld’sAttentionWhatinformationcanwegetfromthegraph?ThegraphshowsthechangeintheGlobalSurfaceTemperaturebetween1920and2016.TheGlobalSurfacetemperatureisabnormalandrising.TemperatureAnomaly（气温反常现象）LookanddiscussThereisnodoubtthattheEarthisgettingwarmerandwarmer.Thensomethingbadhashappened......Thepolarbear(北极熊)wasskinandbonesandstarvedtodeath.Q1.What'sthetypeofthistext?

A.

Newsreport.

B.

Biography.

C.

Expositoryessay.

D.

Argumentation.Q2.Inwhichpartofanewspaperormagazinemaywefindthispassage?

A.EntertainmentB.EconomyC.EducationD.EnvironmentReadthetexttypeIntheexpositorytext,theauthorssometimesusesomegraphsordiagramsintheiressaysinordertoconvincetheirreaders.Find

out

the

topic

sentence

of

each

paragraph.Paras.1&2Para.3Para.4Para.5problemParas.1&2Para.3Para.4Para.5causeconsequencesolutionsReadforstructure.Whatistheproblemaboutclimatechange?Para1Readfordetails.TheEarthisgettingwarmerandwarmer.Evidence3:___________________meltingicerisingsealevelsclimatechangeEvidence1:_______________awarmingoceanandatmosphereEvidence2:______________Readfordetails.Para2瘦骨嶙峋AnexampleofclimatechangeThenewsphotoofadeadpolarbearwastakeninNorway’sArcticofSvalbardin2013.Thepolarbearwas“skinandbones”.Para2:Anexampleofclimatechangeclimatechangestarvationlongerfood-seekingtravellackoffoodlow

sea-icelevelThefollowingreasonsaccountforthedeathofthepolarbear,withoneinfluencinganother.Readparagraph2andputtheminacorrectlogicalorder.

Whatistherootcause?Readfordetails.Para3Whatarethecauseoftheincreaseintheglobalaveragesurfacetemperature?

__________greenhouseeffect_________greenhouseeffectcausingEarth’ssurfacetemperature______________iftoomuchheatenergyis_______keepingEarth’sclimate_______and__________naturalman-madewarmhabitabletorisequicklytrappedGreenhouseEffectFunctionAbigproblemHowdoesgreenhouseeffectwork?Readparagraph3andcreateadiagramdescribinghowthegreenhouseeffectworks.HeatreleasedbackintospaceHeatreflectedbacktoEarth’ssurfaceReflectedsunlightAtmosphereSunlightDrawadiagramDiagramsareveryusefultoolsthatcanbeusedtobrainstormideas,mapoutprocesses,showcauseandeffectrelationships,explainanewideaorconcept,andsoon.Whenyoureadanessayaboutscientificissues,youcantrydrawingadiagram,whichwillnotonlyallowyoutovisualisetheproblemsmoreclearlybutalsocanhelpdemonstrateyourcreativethinkingandproblem-solving.Theriseintemperatureextremeweathernaturaldisastersseriousdamage,costinghumanlives,economiclossesleadstoexamplesresultsWhatarethe

consequences

oftheglobaltemperaturerise?

Readfordetails.Para4extremerainstorms,heatwavesWhatcanbedonetosolvetheglobalwarming?Readfordetails.Para5solutionsgovernmentsmake

policiestake

appropriate

actions

and

measuresindividualsreduce

our

“carbon

footprint”

by…educate

everyone

about

global

warmingThedevelopmentofthepassage.problemexamplereasonsinfluencessolutionsphenomenoncauseeffectsolution[ɪkˈspɒzɪtərɪ]Expositorywriting本文按照“证据—原因—危害—措施”的逻辑顺序展开，环环相扣，步步深入。标题ClimateChangeRequirestheWorld’sAttention点明了作者的诉求：气候变化对地球生态系统的影响是巨大的，需要全人类共同关注和面对。文本以现在时态和将来时态为主，强调文章的现实意义及对将来不利后果的预测。Climatechange

Problem

SolutionsCausesEffects

governmentindividualsextremeweathernaturaldisastersGreenhouseeffectnatural

greenhouseeffectman-made

greenhouseeffectMind-map

Asweknow,Earthisgettingwarmerandwarmer,(1)______resultsinmeltingiceandrisingsealevels.In2013,adeadpolarbear(2)_________(find)onNorway’sArcticislandofSvalbard.Expertssaidthatitwaslowsea-icelevels(3)______(cause)byclimatechange(4)____killedthepolarbear.Scientistsoftenmentionthatthe“man-made”greenhouseeffectisabigproblem.(5)____riseintemperaturehasledtoanincreaseinextremeweatherandnaturaldisastersworldwide,(6)_______(cause)seriousdamageandcostinghumanlives.Thefurtherglobalwarmingresulted(7)_____thecontinuedgreenhousegasemissions(8)________(require)theattentionofpeopleallovertheworld.Governmentsneedtomakepoliciesandtakemeasures(9)________(reduce)greenhousegasemissions.Asindividuals,weshouldalsoreduceour“carbonfootprint”byrestrictingtheamountofcarbondioxideour(10)________(lifestyle)produce.

whichwasfoundcausedthatThecausingfromSummary

requirestoreducelifestylesEarthprovidesenoughtosatisfyeveryman’sneeds,butnoteveryman’sgreed.—MohandasK.Gandhi地球能满足每个人的需要，但不能满足每个人的贪婪。weshouldcherishwhatwehaveanddowhateverwecantomaketheworldabetterplace,leavingthegreenmountainsandbluewatersforouroffsprings.Whatis“carbonfootprint”?Groupdiscussionlittertreetransportationlighteat...Asastudent,whatcanwedotoprotecttheenvironmentinourdailylife?GroupdiscussionTurnoffthelights,computersetc.themomentyoudon’tneedthem.SortoutthegarbageUserenewableenergiesStopusingplasticbagsUsetheminimumpaperTakegreentransportationTakeashowerinsteadofabathplantmoretreesTakethestairsinsteadofelevatorHUMANNATUREFirstly,natureprovideshumansomethingessentialsothatearthbecomesahabitableplaceforhumantolivein.Secondly,humanliveintheearthandproducesomething,meanwhilesomeoftheiractivitieswillsoharmtothenature.Inaword,wehavetoliveinharmonywitheachotherandkeepablance.2.

What’stherelationshipbetweenhumanandnature？Period2LanguagepointsReadingandThinkingCLIMATECHANGEREQUIRESTHEWORLD'SATTENTIONWehaveknownabout

climatechange

fordecades.ThereislittledoubtthatEarthisgetting

warmerandwarmer(seethegraph).Awarmingoceanandatmosphere

alongwith

meltingice

andrisingsealevelsprovideevidenceofadramaticchangeintheglobalclimate.了解气候变化需要全世界的关注关注气候变化几十年来毫无疑问海洋大气层和融化的海平面上升证据急剧的1.Thereislittledoubtthat

Earthisgettingwarmerandwarmer.Thereislittledoubt...几乎没有疑问的是……Thereisnodoubtthat...毫无疑问的是……Thereissomedoubtaboutsth.

对……值得怀疑that引导同位语从句，解释说明doubt的具体内容注意：doubt前有否定意义的词修饰时，其后的同位语从句由that引导；doubt前有肯定意义的词修饰时，其后的同位语从句由whether或if引导。2.Awarmingoceanandatmospherealongwithmeltingiceandrisingsealevelsprovideevidenceofadramaticchangeintheglobalclimate.(P26)句式分析alongwith

连接前后两个主语时，谓语动词应和________那个主语保持一致，即“就远原则”。前面的海洋和大气变暖，以及冰层融化、海平面上升，都为全球气候急剧变化提供了依据。1.Alibrarywithfivethousandbooks_________(offer)tothenationasagift.2.Allbutone_____(be)herejustnow.3.WeChat,aswellasDingTalk,__________(play)animportantpartindailycommunicationnowadays.isofferedwereisplaying即学即用In2013,alotofpeoplewereshockedbyanewsphotoofadeadpolarbearthat

wasfoundon

Norway'sArcticislandofSvalbard.Accordingtothescientistswhofounditsdeadbody,allthat

remainedofthepolarbearwas“skinandbones".Anexpert

whohasstudiedpolarbearsfor

manyyearssaidthatfromthepositionofitsdeadbody,thebearappearedtohavestarvedand

died.Expertsclaimed

that

lowsea-icelevelscausedbyclimatechangemeantthebearcould

nothuntsealsasbefore,soithadtotravelgreaterdistances

inorderto

findfood.ThisalarmingcaseshowedhowtheincreaseintemperaturehadanimpactonEarth'secology.对...感到震惊+定从挪威的北极圈斯瓦尔巴群岛根据+定从+定从剩下皮包骨+定从专家+宾从位置好像挨饿声称+宾从海冰面降低意味着海豹像从前一样长途跋涉为了令人震惊的案例+宾从对...有影响生态3.Accordingtothescientistswhofounditsdeadbody,allthatremainedofthepolarbearwas“skinandbones”.who引导的定语从句，修饰先行词scientiststhat引导的定语从句，修饰先行词all,that不能用which代替句意：根据发现北极熊尸体的科学家的说法，这只北极熊只剩下了“皮和骨头”。【2018-北京】5.Sheandherfamilybicycletowork,_________helpsthemkeepfit.【2018-天津】2.Kae,________sisterIsharedaroomwithwhenwewereatcollege,has

gonetoworkinAustralia.【2018-江苏】23.Self-drivingisanarea________Chinaandtherestoftheworldareonthesamestartingline.【2017·北京卷】31.Thelittleproblems________wemeetinourdailylivesmaybeinspirationsforgreatinventions.【2017·江苏】28.In1963theUNsetuptheWorldFoodProgramme,oneof_________purposesistorelieveworldwidestarvation.whichwhosewherewhosethatThenwhatiscausingtheincreaseintheglobalaveragesurfacetemperature?Climatescientists

oftenmentionakeyclimateprocesscalledthe“greenhouseeffect",which

hastwocommonmeanings:the"natural"greenhouseeffectandthe“man-made"greenhouseeffect.The“natural”greenhouseeffectreferstothefactthat

heatfromthesunenterstheatmosphereandwarms

Earth'ssurfaceasshort-waveradiation.Theheatisreleasedbackintospaceatlongerwavelengths.全球平均表面气温提及关键的气候过程温室效应+非定从常见的含义天然的人造的v.使变暖+同位语从句热量大气层指的是表面以短波辐射的形式bereleasedinto...被释放到...以更大的波长Greenhousegasesintheatmosphere,suchasmethaneandcarbondioxide,trapsomeoftheheat,keepingEarth'sclimatewarmandhabitable.Withoutthisprocess,Earthcouldnotsustainlife.However,the“man-made"greenhouseeffecthasnowbecome

abigproblem.Whenpeopleproduce

hugeamountsof

extragreenhousegasesby

burningfossilfuels,moreheatenergy

istrappedintheatmosphereandcausesEarth'ssurface

temperaturetorisequickly.温室气体甲烷CO2v.留住适合居住的维持+时间状从

产生大量的额外bydoingsth.通过做某事燃烧化学燃料热能被困在...上升导致4.The“natural”greenhouseeffectreferstothefact_____heatfromthesunenterstheatmosphereandwarmsEarth’ssurfaceasshort-waveradiation.that同位语从句：大多由从属连词_____引导,常常跟在order,report,wish,decision,suggestion,belief,doubt,fact,hope,message,news等抽象名词的____，一般用来解释或说明这些名词的具体含义或内容。that后面即学即用1.Theyexpressedthehope_______theywouldcomeovertoChinasoon.2.Wordhascome_______someAmericanguestswillcometoourcollegeforavisitnextweek.3.Hecan’tanswerthequestion_______hegotthemoneyfromhishomeyesterday.4.Doyouhaveanyidea_______isactuallygoingonintheclassroom?5.Theproblem________weshouldhavethemeetinginthehallnowmustbedecidedatonce.thatthathowwhatwhether5.Greenhousegasesintheatmosphere,suchasmethaneandcarbondioxide,trapsomeoftheheat,keepingEarth’sclimatewarmandhabitable.(P27)大气层中甲烷、二氧化碳等温室气体吸收了部分热量，从而使地球保持气候温暖、适宜居住。(P27)句式分析v-ing短语在句子中作__________。结果状语1.Europeanfootballisplayedinmorethan80countries,________(make)itoneofthemostpopulargamesintheworld.2.Theircarwascaughtinatrafficjam,thus________(cause)thedelay.3.Herhusbanddiedtenyearsago,_______(leave)herwiththreechildrentolookafter.3.___________(consider)thereasonsmentionedabove,weshouldtakeeffectivemeasurestoprotectourenvironment.4.Theleaderstayedupallnight,_________(think)ofwhattodothenextday.5.__________________(notreceive)herreply,hedecidedtosendanothere-mailtoher.leavingmakingcausingConsideringthinkingNothavingreceivedThereisstrongandcomprehensive

evidence

thattherisein