Unit3EnvironmentalProtectionReadingandThinking课件-高中英语人教版选择性

UNIT3

EnvironmentalProtectionReadingandThinkingBytheendoftheclass,youwillbeabletoBytheendofthisclass,wewillbeableto1.knowthecausesandconsequencesofclimatechange.2.explorepracticalwaystoaddressclimatechange.3.figureouteffectiveinformationongraphsanddiagrams.LearningObjectives1.Whatcanyouseeinthepicture?2.Whatisthecauseofthisphenomenon?Alargepieceoficeisbreakingoff

alargeglacieroricesheet.GlobalwarmingLead-ineconomiclossestheriseofsealeveldyinganimalsdroughtextremeweathercoastalcitiessubmergedWhatconsequencesmayglobalwarmingbringabout?Lead-inClimateChangeRequiresTheWorld’sAttentionobjectives：Analysethecausesandconsequencesofclimatechange.Voiceyourpersonalopinionsonhowtoprotectenvironment.Whatdoweneedtodo?Pre-readingQ1.What'sthetypeofthistext?

A.

Newsreport.

B.

Biography.

C.

Expositoryessay.

D.

Argumentation.Q2.Inwhichpartofanewspaperormagazinemaywefindthispassage?A.EntertainmentB.EconomyC.EducationD.EnvironmentIntheexpositorytext,theauthorssometimesusesomegraphsordiagramsintheiressaysinordertoconvincetheirreaders.ReadforTextType

MatchthemainideawitheachparagraphPara1Para2Para3Para4Para5Aproblemofclimatechange.Thecausesoftheincreaseintheglobaltemperature.Theconsequencesoftheriseintemperature.Thesolutionstoreducinggreenhousegasemissions.Anexactexampleofclimatechange.ReadforMainIdeaproblemconsequencecausessolutionsReadforStructure1.Whataretheproblemsaboutclimatechange?Findouttheevidence.2.Whathappenedtopolarbear’slife?Findoutthereasons.3.Whatarethecausesoftheincreaseintheglobaltemperature?4.Whataretheconsequencesoftheglobaltemperaturerise?Andwhydidtheauthormentiontheclimatescientists’warning?5.Howtoreducegreenhousegasemissions?ReadforDetailsWhatistheproblemaboutclimatechange?The________isgettingwarmerandwarmer.Evidence1:_______________________________Evidence2:______________Evidence3:___________________EarthaoceanandatmosphereicesealevelsclimatechangewarmingmeltingrisingReadforDetailsPara.1Whatisthegraphabout?Whatinformationcanyougetfromit?thechangeintheGlobalSurfaceTemperaturebetween1920and2016.TemperatureAnomaly（气温反常现象）increasesharplyincreasegradually/steadilyReadforDetailsclimatechangestarvationlongerfood-seekingtravellackoffoodlow

sea-icelevel

Whatistherootcause?leadto；cause;accountforThefollowingreasonsprovedthedeathofthepolarbear.Puttheminacorrectorder.ReadforDetailsPara.2Para.3KeepingEarth’swarmandhabitable“Natural”greenhouseeffect“man-made”greenhouseeffectCausingEarth’ssurfacetemperaturetorisequicklyiftoomuchheatenergyistrappedGreenhouseeffect

Whatarethecausesoftheincreaseintheglobaltemperature?ReadforDetailsReadforDetailsLet’sfinishadiagramdescribinghowthegreenhouseeffectworks.HeatreleasedbackintospaceHeatreflectedbacktoEarth’ssurfaceReflectedsunlightAtmosphereSunlight

ReadforDetailsThe

rise

in

the

temperatureextreme

weather

&

natural

disastersserious

damage,

costing

human

livesextreme

rainstorms,

heatwavesled

toresultsexamplesQ1:Whataretheconsequencesofhighgreenhousegasemissions?Q2.

Whydidtheauthormentiontheclimatescientists’warning?Because

global

warming

needs

everyone’s

attention

and

it

is

essential

that

we

take

appropriate

actions.ReadforDetailsPara.4

Whatcanbedonetosolvetheglobalwarming?solutionsgovernmentsmake

__________take

appropriate

___________________individualsreduce

_______________________

everyone

about

global

warmingpoliciesactions

and

measurescarbonfootprinteducatePara.5ReadforDetailsWearenotpayingenoughattentiontoclimatechange.Post-readingWhatcanwedotoreduce“carbonfootprint”?Post-readingWhatis“carbonfootprint”?Post-readingSortthegarbageAvoidsingle-useplasticbagsVolunteeertoplanttreesEncouragepeerstoparticipateinitEndwastingresourcesAdvocateforchangeRideabikeorwalktoschoolTurnoffallelectricdeviceswhennecessaryHeatreductionWhatcanwedo?Post-reading1.Lucidwatersandlushmountainsarevaluableas"mountainsofgoldandsilver".青山就是金山银山。2.Ifwedon'tsavewater,thelastdropofwaterwillbeourtear.如果我们不节约用水，那么最后一滴水将会是我们的眼泪。3.Onlybychangingthewaywetreattheenvironmentcanwegetalongwellwithit.Onlybysavingtheenvironmentcanwesaveourselves.

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