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

byMissXiangUnit3EnvironmentalProtectionReadingandthinkingLeadinWatchavideoandanswerthequestionsQ1:Whataretheextremeweatheranddisastersmentionedinthevideo?Q2:Whatcausessuchextremeweatheranddisasters?LeadinLeadinConsequenceseconomiclossesextremeweatheranincreaseintemperatureariseofsealevelawarmingoceanWhatconsequencesmayglobalwarmingcause?meltingicePredictionWhatisthegraphabout?Whatinformationcanyouget?It'saboutglobalsurfacetemperatureduring1920-2016.Theglobalsurfacetemperatureduring1920-2016iskeepingincreasingandtheincreasingspeedisveryhigh.PredictionWhatmightbethestorybehindthephoto?Polarbearslosetheirhomesbecausetheearthisbecomingwarmerandiceismelting.Whatcanyousee?Meltingice,adeadpolarbear,rescuersListenandsummarizethemainideaofeachpartBefore-readingSummarizethemainideaofeachpartParagraph1-2Paragraph3Paragraph4Paragraph5____________ofclimatechange

_______oftheriseintheglobalaveragesurfacetemperature

_______________oftheriseintemperature_____________toreducinggreenhousegasemissionsPhenomenaCausesConsequencesSolutionsQ1.What'sthetypeofthistext?A.ArgumentativewritingB.NarrativewritingC.ExpositorywritingD.AdvertisingwritingCQ2.Inwhichpartofanewspaperormagazinemaywefindthispassage?A.EntertainmentB.EconomyC.EducationD.EnvironmentD本文是一篇说明文。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。

While-readingReadParagraph1-2Whatphenomenaofclimatechangecanyoufind?deadiceRisingPhenomena(Para.1-2)Awarming_____________andatmosphereMelting____________________sealevelsA_________polarbearoceanclimatechangestarvedtodeathtravellongertofindfoodbearscouldn’thuntlow

sea-icelevelsFindthecauseandeffectthatledtothedeathofthepolarbear.(1min)

Whatistherootcause?While-readingReadParagraph1-2While-readingReadParagraph3greenhouseeffect_______greenhouseeffect________greenhouseeffectnaturalman-madeDefinition:Function:heatfromthesunkeepEarth'sclimatewarmandhabitableDefinition:Function:gasesofburningfossilfuelscauseEarth'ssurfacetemperaturetorisequicklyListentoPara.3andfindinformationabout“greenhouseeffect”.(2mins)Createadiagramdescribinghowthegreenhouseeffectworks.Heatreleasedbackintospacegreenhousegasesintheatmospheretrapsomeheatshort-waveradiationatmospheresunlightDrawadiagram

Diagramsareveryusefultoolsthatcanbeusedtobrainstormideas,mapoutprocesses,showcauseandeffectrelationships,explainanewideaorconcept,andsoon.Whenyoureadanessayaboutscientificissues,youcantrydrawingadiagram,whichwillnotonlyallowyoutovisualisetheproblemsmoreclearlybutalsocanhelpdemonstrateyourcreativethinkingandproblem-solving.Thedifferencebetweennaturalgreenhouseeffectandman-madegreenhouseeffectWhile-readingReadParagraph4Whataretheconsequencesofdramaticclimatechange?theriseintemperatureledto1.________weather2.________disastersexamples1.extreme

rainstorms2.________extremenaturalheatwavesresults1.seriousdamage2._______humanlives3._________lossescostingeconomicWhile-readingReadParagraph5Whatarethesolutionsmentionedinthefifthparagraph?governmentsIndividuals1.make___________

1.reduceour"_____"by

theamountofcarbondioxideourlifestylesproduce.2.take_____________

actionsandmeasurestoreduce______________

____________________.2.seizeevery_____________

toeducateeveryoneabout

.policiesappropriate

greenhousegasemmisions

carbonfootprint

restricting

opportunityglobalwarming2.Whatistheauthor’spurposeofwritingthistext?Toarouseourawarenessoftheproblemandtoinspirereaderstotakeproperactionstodealwithglobalwarming.Post-readingforcriticalthinkingandtalking

GroupDiscussWhatcanyoudotoreduce

“carbonfootprint”?(4mins)Whatwecandotoreduce“carbonfootprint”Post-readingIntroduce3R1.Becarefulhowlongyoutakeashower.→Takeshortershowers2.Turnoffthewaterwhenyouarebrushingyourteeth.3.Onlyusethenecessaryenergy.Turnoffthelightswhentheyarenotinuse.4.Takequickdrinks.5.Walktoschool.6.Pulloutplugswhenyouarenotusingthem.Reduce1.Reusestuffwhenyouareoutandabout(外出活动).Ifyoucanuseitagain,don'tthrowitout!2.Reusebottles,bags,containersandrags(布料).3.Donatetoys,sosomeoneelsecanusethem.4.Donateclothes.ReuseJustthrowingawayisnotenough.Recyclesomethingstomakenewstuff!Likepaper,cans,plastic,glass,cardboard,games,CDsandDVDs,lig