Unit+3+Environmental+Protection+Reading+and+Thinking+课件【高效备课精研+知识精讲提升】 高中英语人教版（2019）选择性必修第三册

1.What’shappeninginthephoto?Theiceismelting.Becauseofglobalwarming/climatechange.2.Whydidithappen?WatchandTalkChoosetheextremeweatheranddisasters(灾难)mentionedinthevideoA.

sealevelrise B.fireC.tsunami海啸D.floodE.heatwaveF.volcaniceruption火山爆发G.drought干旱H.stormsealevelrisefloodheatwavestormA.

sealevelriseB.fire C.tsunami海啸D.flood E.heatwaveF.volcaniceruption火山爆发 G.drought干旱 H.stormWatchandTalkChoosetheextremeweatheranddisastersmentionedinthevideoA.

sealevelrise B.fireC.tsunamiD.floodE.heatwaveF.volcaniceruptionG.droughtH.stormsealevelrisefloodheatwavestormWhatcanwelearnfromthisgraphTheearthisbecomingwarmerandwarmer.CLIMATECHANGEREQUIRESTHEWORLD’SATTENTIONPre-Reading:lookandpredictWhatdoyouexpecttolearnfromthispassage?title1.Whatcausesclimatechange?2.Whataretheeffectsofclimatechange?3.Whatshouldwedo?needsUnit3ReadingandthinkingClimateChangerequirestheWorld’sattentionPara1:1.Greenhousegasemission

温室气体排放2.Thereisno/littledoubtthat 毫无疑问3.meltingice 冰层融化4.risingsealevels 海平面上升5.dramaticchange 急剧的变化globalclimate 全球气候Para2:7.beshockedby 对……感到震惊8.skinandbone 皮包骨9.appeartohavedone 看起来做了某事10.starvetodeath 饿死11.lowsea-icelevels 海冰面降低12.analarmingcase: 令人惊恐的案例13.haveanimpacton 对...有影响14.Earth’secology 地球生态Para3:1.greenhouseeffect 温室效应2.referto 指的是，涉及3.short-waveradiation 短波辐射4.hugeamountsof 大量的5.bereleasedbackintospace 被释放回大气层

releasefrom 从……中释放出来6.methaneandcarbondioxide

甲烷和二氧化碳7.withoutthisprocess 如果没有这个过程8.sustainlife 维系生命9.fossilfuel

化石燃料10.betrappedin 被困在

Para4: 1.comprehensive

evidence

全面的证据2.extremeweather

极端天气3.naturaldisastersworldwide

全球自然灾害4.warmingtrend

变暖的趋势5.Therewillbeahigherpricetopay.

将付出更大的代价6.frequentlybroadcast

经常报道7.economiclosses 经济损失Para5:8.resultin 导致9.long-lastingchanges 持久的变化10.requirestheattention 需要注意11.Makepolicies(policy)

制定政策12.takeappropriateaction

采取适当的行动13.takeappropriatemeasures

采取适当的措施14.restrict

theamountofcarbondioxide

限制二氧化碳的量restrictto:把…限制在15.Itisourresponsibilityto

…

做某事是我们的责任16.seizeeveryopportunityto

抓住每个做某事的机会Find

out

the

topic

sentence

of

each

paragraph.phenomenon/evidenceconsequence/effectssolutionscausesTblemexamplecauseseffectssolutionsphenomenoncauseeffectssolutionExposition说明文是客观说明事物的一种文体，以解说或介绍事物的形状、性质、成因、构造、功用、类别等为主要内容。说明文主要通过对客观事物或事理的介绍说明，达到以知识教人的目的，因此说明文以客观、准确为基本要求，强调科学性和客观性。Whatistheevidenceofglobalwarming?Whydidtheauthorwriteaboutthepolarbear?Whyisthe“natural”greenhouseeffectimportantandnecessary?Whataretheconsequencesofhighgreenhousegasemissions?Whydidtheauthormentiontheclimatescientists’warning?Whatcanbedonetosolvetheglobalwarming?Whatistheauthor’spurposeofwritingthetext?ReadthetextandanswerthefollowingquestionsInwhichparagraphcanyoufindtheanswers?Para.1&2Para.2Para.3Para.4Para.4Para.5The_____isgettingwarmerandwarmer.earthProblemClimatechangeawarmingoceanandatmospheremeltingicerisingsealevelsEvidencel:____________________________Evidence2:__________________Evidence3:_______________________1.What’sthepurposeofthepara1?2.Whatwritingtechniquesdoestheauthoruseinthepassage?A.Toexplainclimatechange B.TointroducethetopicA．Bygivingdefinition(下定义). B．Bycitingquotation(引用).C．Bygivingexamples. D．Byusinggraph(图表).Part1(para2):AnexampleTimeWhereWhathappenedWhyWritingTechnique2013Norway’sArticislandofSvalbardApolarbeardiedofstarvationThebearcouldnothuntsealsbecauseoflowsea-icelevelsWhydidtheauthorwriteaboutthepolarbear?ToshowtheimpactofclimatechangeonEarth’secology.Part2causeWhatarethetwogreenhouseeffects?Readparagraph3andcreateadiagramdescribinghowthegreenhouseeffectworks.HeatreleasedbackintospaceHeatreflectedbacktoEarth’ssurfaceReflectedsunlightAtmosphereSunlightDrawadiagram

Diagramsareveryusefultoolsthatcanbeusedtobrainstormideas,mapoutprocesses,showcauseandeffectrelationships,explainanewideaorconcept,andsoon.Whenyoureadanessayaboutscientificissues,youcantrydrawingadiagram,whichwillnotonlyallowyoutovisualisetheproblemsmoreclearlybutalsocanhelpdemonstrateyourcreativethinkingandproblem-solving.Adiagramdescribinghowthegreenhouseeffectworksnaturalman-madeDefinitionHeatfromthesunentersthe__________andwarmsEarth’s__________as_________-waveradiation.FunctionKeepingEarth’swarmand_____________DefinitionPeopleproducehugeamountsof_________greenhousegasesbyburning_____________.AbigproblemMore________energyistrappedintheatmosphereandcausesEarth’ssurfacetempreatureto________quickly.habitableextrafossilfuelsatmospheresurfaceshortheatriseGreenhouseEffect3.Whyisthe“natural”greenhouseeffectimportantandnecessary?Part2cause4.Whatisthecauseofclimatechange?People’sburningoffossilfuelsisthecauseofclimatechange.Tostressthatit

is

essential(important)

that

we

take

appropriate

actions.Part3consequence4.Whataretheconsequencesoftheglobaltemperaturerise?5.Whydidtheauthormentiontheclimatescientists’warning?Globalwarmingextremeweathernaturaldisastersseriousdamage,costinghumanlivesextremerainstorms,heatwavesled

toled

toresultsexamples????Part3solution6.Whatcanbedonetosolvetheglobalwarming?solutionsgovernmentsindividualsmake

policiestakeappropriateactionsandmeasuresreduceour“carbonfootprint”by…educateeveryoneaboutglobalwarming????DiscussionWhatwillyoudotohelp?turnelectricalappliancesoffwhennotusingthemrecyclecans,bottles,plasticbagsandnewspapersbuythingsmadefromrecycledmaterialswalkorrideabikeinsteadofdrivingplantmoretreestalkwithfamilyandfriendsaboutglobalwarmingcarbonfootprinttreeWhatwritingtechniquesdoestheauthoruseinthepassage?Whatwritingtechniques(写作手法)doestheauthoruseinthepassage?Readforlanguagefeaturesa

graphaphotogiveanexamplegiveandefinitionmakecomparisoncitescientists’andexperts’quotesexamplesraiseaquestionattheendofthearticleforreaderstothinkaboutWhatistheauthor’spurposeofwritingthetext?A．Tocallforpeopletodonatemoney.B．Toaskpeoplenottokillpolarbears.C．ToappealtopeopletocareaboutEarth’secology.D．Toeducatepeopleaboutglobalwarming.Toeducatereadersaboutclimatechange,andinspirereaderstotakeactionstodealwiththeproblem.AnExpositoryEssayStructurePhenomenonCauseConsequenceSolutionsLanguagefeaturesGraphs,photosDefinitionExamplesComparisonQuotationQuestionsandanswersWritingPara.1Para.2Para.3greetingandtopicsuggestionsandreasonsorexamplesappealingandthanks例题:请你以Howtoreduce“carbonfootprint”inourdailylife为题目写一篇80词左右的英语演讲稿。Good

morning.

my

dea

rteachers

and

my

friends.

It’sagreathonortogiveaspeechaboutHowtoreduce“carbonfootprint”inourdailylife.分点叙述过渡词（conju