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

Reading&ThinkingUnit3EnvironmentalProtectionCONTENTSTeachingobjectives02Leadin03Pre-reading04While-reading0105Post-reading07Homework06SummaryTeachingobjectivesTeachingobjectives(1)Knowledgeaims①Enablestudentstosummarizethemainideaofeachpart.②Enablestudentstohaveabetterunderstandingofclimatechange.(2)Abilityaims①Enablestudentstoanalysetheconsequencesofclimatechange.②Enablestudentstovoicetheirownopinionabouthowtodealwithclimatechange.(3)AffectiveaimEnablestudentstoraisetheawarenessofenvironmentalprotection.LeadinLeadinWatchavideoandanswerthequestionsQ1:WhataretheextremeweatheranddisastersmentionedinthevideoQ2:WhatcausessuchextremeweatheranddisastersLeadinWatchavideoandanswerthequestionsLeadinWhatconsequencesmayglobalwarmingcauseLeadinConsequenceseconomiclossesextremeweatheranincreaseintemperatureariseofsealevellowsea-icelevelawarmingoceanPre-readingPredictionWhatisthegraphaboutWhatinformationcanyougetIt'saboutglobalsurfacetemperatureduring1920-2016.Theglobalsurfacetemperatureduring1920-2016iskeepingincreasingandtheincreasingspeedisveryhigh.PredictionWhatmightbethestorybehindthephotoPolarbearslosetheirhomesbecausetheearthisbecomingwarmerandiceismelting.WhatcanyouseeMeltingice,adeadpolarbear,rescuersPre-readingPredictwhataspectsaboutclimatechangewillbetalkedaboutinthetextClimateChangeRequiresTheWorldAttentionThegraph,photoandtitlecanhelpyoutopredictwhatyouwillreadandtounderstandthenewtext.Aspects:Thereasonsandeffectsofclimatechangeandhowtodealwithclimatechange.Title:ClimateChangeRequiresTheWorldAttentionWhile-readingWhile-readingMatchthemainideaofeachpartParagraph1-2Paragraph3Paragraph4Paragraph5a.Consequencesoftheriseintemperatureb.Solutionstoreducinggreenhousegasemissionsc.Phenomenaofclimatechanged.CausesoftheriseintheglobalaveragesurfacetemperatureWhile-readingReadParagraph1-2Whatphenomenaofclimatechangecanyoufind?deadiceRisingPhenomena(Para.1-2)Awarming_____________andatmosphereMelting____________________sealevelsA_________polarbearoceanThinking:WhatcausedthedeathofthepolarbearinthephotothepolarbearwasskinandbonesCause:________sea-icelevelscausedby____________________meantthebearcouldn'thuntsealsasbefore.Ithadtotravelgreaterdistancesinordertofind___________.lowclimatechangefoodWhile-readingReadParagraph3Whatcausetheincreaseintheglobalaveragesurfacetemperature?greenhouseeffect_______greenhouseeffect________greenhouseeffectnaturalman-madeDefinition:Function:heatfromthesunkeepEarth'sclimatewarmandhabitableDefinition:Function:gasesofburningfossilfuelscauseEarth'ssurfacetemperaturetorisequicklyWhile-readingReadParagraph4Whataretheconsequencesofdramaticclimatechange?theriseintemperatureledto1.________weather2.________disastersexamples1.extremerainstorms2.________extremenaturalheatwavesresults1.seriousdamage2._______humanlives3._________lossescostingeconomicWhile-readingReadParagraph5Whatarethesolutionsmentionedinthefifthparagraph?governmentsIndividuals1.make

1.reduceour"_____"by

theamountofcarbondioxideourlifestylesproduce.2.take

actionsandmeasurestoreduce.2.seizeevery

toeducateeveryoneabout

.policiesappropriate

greenhousegasemmisions

carbonfootprint

restricting

opportunityglobalwarmingPost-readingGroupdiscussionAsstudents,whatcanwedotohelpdealwithclimatechangeinourdailylife1.Inmyopinion,weshould_______becauseitisagoodwaytohelp________2.Inmyview,itwouldbeagreatideaifwecould______Bydoingthis,wecanhelp__________3.Personallyspeaking.Istronglysuggestthatweshould_____,because__________SomeusefulexpressionsPost-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,lightbulbs,cartridges(墨盒),batteries,laptops,cellphones,thenewspaperanddifferentkindsofmetals.RecycleSummaryClimateChangephenomenaSummarycausesconsequencessolutions2.risingsealevels1.awarmingoceanandatmosphere3.meltingice4.adeadpolarbearnaturalgreenhouseeffectman-madegreenhouseeffectextremeweathernaturaldisastersgo