Unit3EnvironmentalProtectionReadingandThinking課件高中英語(yǔ)人教版選擇性2

UNIT3

EnvironmentalProtectionEarthprovidesenoughtosatisfyeveryman’sneeds,butnoteveryman’sgreed.地球能滿(mǎn)足人類(lèi)的需要，但滿(mǎn)足不了人類(lèi)的貪婪?！狹ohandasK.Gandhi1.Whatcanyouseeinthepicture?2.Whatisthecauseofthisphenomenon?meltingglacier地球能滿(mǎn)足人類(lèi)的需要，但滿(mǎn)足不了人類(lèi)的貪婪。

Earthprovidesenoughtosatisfyeveryman’sneeds,butnoteveryman’sgreed.GlobalwarmingWhataretheextremeweatheranddisastersmentionedinthevideo?drought[dra?t]flood[fl?d]Storm（st??m）sealevelriseheatwavefireGlobalwarmingClimatechangeWhatdoyouthinkcausessuchextremeweatheranddisasters?Whatis“GlobalWarming”?Whatdoyouknowaboutglobalwarming?

ReadingandthinkingClimateChangeRequiresTheWorld’sAttentionWhatinformationcanwegetfromthegraph?ThegraphshowsthechangeintheGlobalSurfaceTemperaturebetween1920and2016.TheGlobalSurfacetemperatureisabnormalandrising.TemperatureAnomaly（氣溫反?，F(xiàn)象）LookanddiscussThereisnodoubtthattheEarthisgettingwarmerandwarmer.Thensomethingbadhashappened......Thepolarbear(北極熊)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[?k?sp?z?t?r?]Expositorywriting本文按照“證據(jù)—原因—危害—措施”的邏輯順序展開(kāi)，環(huán)環(huán)相扣，步步深入。標(biāo)題ClimateChangeRequirestheWorld’sAttention點(diǎn)明了作者的訴求：氣候變化對(duì)地球生態(tài)系統(tǒng)的影響是巨大的，需要全人類(lèi)共同關(guān)注和面對(duì)。文本以現(xiàn)在時(shí)態(tài)和將來(lái)時(shí)態(tài)為主，強(qiáng)調(diào)文章的現(xiàn)實(shí)意義及對(duì)將來(lái)不利后果的預(yù)測(cè)。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地球能滿(mǎn)足每個(gè)人的需要，但不能滿(mǎn)足每個(gè)人的貪婪。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.了解氣候變化需要全世界的關(guān)注關(guān)注氣候變化幾十年來(lái)毫無(wú)疑問(wèn)海洋大氣層和融化的海平面上升證據(jù)急劇的1.Thereislittledoubtthat

Earthisgettingwarmerandwarmer.Thereislittledoubt...幾乎沒(méi)有疑問(wèn)的是……Thereisnodoubtthat...毫無(wú)疑問(wèn)的是……Thereissomedoubtaboutsth.

對(duì)……值得懷疑that引導(dǎo)同位語(yǔ)從句，解釋說(shuō)明doubt的具體內(nèi)容注意：doubt前有否定意義的詞修飾時(shí)，其后的同位語(yǔ)從句由that引導(dǎo)；doubt前有肯定意義的詞修飾時(shí)，其后的同位語(yǔ)從句由whether或if引導(dǎo)。2.Awarmingoceanandatmospherealongwithmeltingiceandrisingsealevelsprovideevidenceofadramaticchangeintheglobalclimate.(P26)句式分析alongwith

連接前后兩個(gè)主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞應(yīng)和________那個(gè)主語(yǔ)保持一致，即“就遠(yuǎn)原則”。前面的海洋和大氣變暖，以及冰層融化、海平面上升，都為全球氣候急劇變化提供了依據(jù)。1.Alibrarywithfivethousandbooks_________(offer)tothenationasagift.2.Allbutone_____(be)herejustnow.3.WeChat,aswellasDingTalk,__________(play)animportantpartindailycommunicationnowadays.isofferedwereisplaying即學(xué)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.對(duì)...感到震驚+定從挪威的北極圈斯瓦爾巴群島根據(jù)+定從+定從剩下皮包骨+定從專(zhuān)家+賓從位置好像挨餓聲稱(chēng)+賓從海冰面降低意味著海豹像從前一樣長(zhǎng)途跋涉為了令人震驚的案例+賓從對(duì)...有影響生態(tài)3.Accordingtothescientistswhofounditsdeadbody,allthatremainedofthepolarbearwas“skinandbones”.who引導(dǎo)的定語(yǔ)從句，修飾先行詞scientiststhat引導(dǎo)的定語(yǔ)從句，修飾先行詞all,that不能用which代替句意：根據(jù)發(fā)現(xiàn)北極熊尸體的科學(xué)家的說(shuō)法，這只北極熊只剩下了“皮和骨頭”?！?018-北京】5.Sheandherfamilybicycletowork,_________helpsthemkeepfit.【2018-天津】2.Kae,________sisterIsharedaroomwithwhenwewereatcollege,has

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

oftenmentionakeyclimateprocesscalledthe“greenhouseeffect",which

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

heatfromthesunenterstheatmosphereandwarms

Earth'ssurfaceasshort-waveradiation.Theheatisreleasedbackintospaceatlongerwavelengths.全球平均表面氣溫提及關(guān)鍵的氣候過(guò)程溫室效應(yīng)+非定從常見(jiàn)的含義天然的人造的v.使變暖+同位語(yǔ)從句熱量大氣層指的是表面以短波輻射的形式bereleasedinto...被釋放到...以更大的波長(zhǎng)Greenhousegasesintheatmosphere,suchasmethaneandcarbondioxide,trapsomeoftheheat,keepingEarth'sclimatewarmandhabitable.Withoutthisprocess,Earthcouldnotsustainlife.However,the“man-made"greenhouseeffecthasnowbecome

abigproblem.Whenpeopleproduce

hugeamountsof

extragreenhousegasesby

burningfossilfuels,moreheatenergy

istrappedintheatmosphereandcausesEarth'ssurface

temperaturetorisequickly.溫室氣體甲烷CO2v.留住適合居住的維持+時(shí)間狀從

產(chǎn)生大量的額外bydoingsth.通過(guò)做某事燃燒化學(xué)燃料熱能被困在...上升導(dǎo)致4.The“natural”greenhouseeffectreferstothefact_____heatfromthesunenterstheatmosphereandwarmsEarth’ssurfaceasshort-waveradiation.that同位語(yǔ)從句：大多由從屬連詞_____引導(dǎo),常常跟在order,report,wish,decision,suggestion,belief,doubt,fact,hope,message,news等抽象名詞的____，一般用來(lái)解釋或說(shuō)明這些名詞的具體含義或內(nèi)容。that后面即學(xué)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)大氣層中甲烷、二氧化碳等溫室氣體吸收了部分熱量，從而使地球保持氣候溫暖、適宜居住。(P27)句式分析v-ing短語(yǔ)在句子中作__________。結(jié)果狀語(yǔ)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