Unit3ClimatechangeReadingandthinking课件高中英语人教版选择性

CLIMATECHANGEREQUIRESTHEWORLD’SATTENTION博罗中学

王佳April18th,2025

XB3U3

TeachingObjectives:Bytheendoftheclass,youwillableto:1.findoutthe

problemsandcausesoftheearthafterreading;2.beawareof(意识）theconsequences(后果）ofgreenhousegases(温室气体);3.

designaposter(海报）of

somesolutionstotheglobalwarmingbyteamwork;4.

understandthestructureofan

expositionofaphenomenon.（现象型说明文）Lookatthegraphandphotos.Whataretheyabout?thewarmerandwarmerearthastarvingpolarbearLead-inIdentify

Post-reading

Assess

Before-readingWhile-reading

Post-reading

Assessing

somemeltingiceClimateChangeRequiresTheWorld’sAttentionExplorethetitleandpredictLead-inIdentify

Apply

Assess

Before-reading

While-reading

Post-reading

Assessing

Dividethepassageinto4partsandmatchthemainideawitheachpart.Part1(Para.____)Part2(Para.____)Part3(Para.____)Part4(Para.____)Thecauseoftheincreaseintheglobalaveragesurfacetemperature.Thesolutionstoreducinggreenhousegasemissions.TheproblemsandacaseofglobalclimatechangeTheconsequencesoftheriseintemperature.1-2345causesolutionsproblemsconsequencesExpositoryBefore-reading

While-reading

Post-reading

Assessing

Fast-readingforstructuresproblemscausesconsequencessolutionsBefore-reading

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Post-reading

Assessing

Whatisthewritingstyleofthistext?A.Exposition(说明文）B.Narration（记叙文）C.Argumentation（议论文）D.Anewsreport（新闻报道）

awarmingocean&atmospheremeltingicerisingsealevels(海平面）adeadpolarbearBefore-reading

While-reading

Post-reading

Assessing

climate'sgettingwarmerandwarmer

Problemsinpart1(para1&2)CarefulreadingfordetailsThecausesThegreenhouseeffecttypesthe“natural”onethe“man-made”onefunctioncausetheearth'ssurfacetorisequicklykeeptheearth'sclimatewarmandhabitableresultsBefore-reading

While-reading

Post-reading

Assessing

Causesinpart2(para.3)Whatwritingtechniquesdoestheauthoruseintheparagraph?Makinganexplanation(下定义)andacomparison.(作比较）Consequences(后果)inpart3(para.4)Before-reading

While-reading

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Assessing

Whataretheconsequencesofglobalwarming?GovernmentsIndividuals___________Reduceourcarbonfootprint(碳足迹)Educateeveryoneaboutglobalwarming,alongwithitscausesandimpactsBefore-reading

While-reading

Post-reading

Assessing

Makepolicies

Takeappropriateactionsandmeasures

Solutionsinpart4(para.5)____________________

________________________

__________________________Whatactionscanwetaketoreduceourcarbonfootprintandraisepeople’sawarenessofprotectingtheworld?CriticalthinkingBefore-reading

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Assessing

Director组员任务分配Reporter代表小组上台

展示作品

StudentB:Writer书写海报内容StudentC:

StudentD:Designer设计海报内容

StudentA:Designaposterofalow-carbonlifestyleingroups.

Before-reading

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Assessing

Designer设计海报内容Before-reading

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assessmentcriteria(评价标准)pointslanguageTherearenogrammarmistakes3contentThesolutionsarepracticalandfeasible(可行的).4designThedesignoftheposterisattractive.3Youradvicefortheposter:2Designapostertoraisepeople’awarenesssuselesstissue(纸巾）,regainhandkerchief（手帕）forestprotectionTurnofflight,switch,pulltheplugifnotuse.planttreeswalkorcycletoworkBefore-readingWhile-reading

Post-reading

Assessing

WhathaveIlearnttoday?1Whatistheprobleminthispassage?2Whatarethecausesoftheproblems?3Whataretheconsequencesoftheglobalwarming?4Whatarethesolutionstothisproblem?se4quencesconquconsequencesBefore-reading

While-reading

Post-reading

Assessing

problemscausesconsequencessolutionsAssignment:2022年高考英语全国甲卷阅读理解D篇Trytoanalyze（分析）thisexpositionandfinishtheexercises.Antarctica’sMeltingProblem

Blackcarbon,thedark,dustypollutionthatcomesfromburningfossilfuels,hassettledinlocationswheretouristsandresearchersspendalotoftime,scientistsfound.Eventhesmallestamountofthedarkpollutantcanhaveasignificantimpactonmeltingbecauseofitsverylowreflectiveness:thingsthatarelightincolor,likesnow,reflectthesun'senergyandstaycool;thingsthataredark,likeblackcarbon,absorbthesun'senergyandwarmup.

“Thesnowalbedo(反射率)effectisoneofthelargestuncertaintiesinregionalandglobalclimatemodelingrightnow,”AliaKhan,asnowandicescientistatWesternWashingtonUniversity,toldCNN.“That’soneofthemotivationsforthestudy,toquantifytheimpactofblackcarbononregionalsnowmelt,whichisimportantforquantifyingtheroleofblackcarboninthegloballossofsnowandice.”

“Antarcticaissittingthereprettymuchsilentlyallyear.But,ifitweren’tthere,inthestatethatitismeanttobe,thebalancethatwehaveintheclimatesystemwillnolongerbe,”MarilynRaphael,ageographyprofessorsaid.“Antarctica’sseaiceisalsoimportanttomaintainabalanceinatmosphericcirculation,”headded.Aswatersgetwarmer,someAntarcticcreaturesarefindingtheirhomesmoreandmoreunlivable.

“Everythingwedohasconsequences,”Raphaelsaid.“Weneedtoeducateourselvesaboutthoseconsequences,especiallyinsystemsthatweknowrelativelylittleabout.Wehavetobecarefulthatwedon’tupsettheclimatebalance.”

1.Whycanthesmallestamountofblackcarbonhaveahugeimpactonmelting?A.Itishighlyreflective.B.Itsdarkcolorabsorbsheat.C.Itproducesvastenergy.D.Itcausesmuchpollution.2.

AccordingtoAlia,whichofthefollowingisonereasonforconductingthestudy?A.Tomeasuretheimpactofblackcarbon