Unit 3 Reading and Thinking阅读学案-高中英语人教版选择性必修第三册 -

课堂学生导学提纲（高二英语）第页值得做的事情都值得被做好！Unit3EnvironmentalProtectionReadingandThinkingClimatechangerequirestheworld’sattention课型：新授课课时：2课时班级:______姓名:________小组:_______【学习目标】TeachingObjectives：1.Toexplaincausesandnegativeeffectsofglobalwarming2.Torealizetheimportanceofcuttinggreenhousegasesandtakeeffectiveactiontodoit3.Tolearntoidentifythestyleofthistextandinferthewriter’spurposeⅠ.了解感知1.Whatcausestheclimatechange?2.Whatarethesolutionstostopclimatechange?______________________________________________________________________________Ⅱ.深入学习Step1Pre-readingTask1.Readthepicturesandanswersomequestions:①Whatisthegraphabout?Whatinformationcanyougetfromit?______________________________________________________________________________②Whathappenedinthepicture?Doyouknowwhatcausedit?____________________________________________________________________________________________________________________________________________________________Task2.根据课文内容选择正确答案①Whattypeofwritingisthispassage?A.ArgumentativewritingB.NarrativewritingC.ExpositorywritingD.Advertisingwriting②Inwhichpartofanewspaperormagazinemaywefindthispassage?A.EntertainmentB.EconomyC.EducationD.EnvironmentTask3.ReadthetextandsumupthemainideaofeachparagraphPara1:Globalclimateis.Para2:AnaboutabearstarvedtodeathPara3:WhatiscausingtheincreaseintheglobaltemperaturePara4:TheoftheriseintemperatureandthewarningPara5:FurtherpossiblechangestotheandourdutyStep2.WhilereadingTask1.StructurePartPara.Mainidea11-2TheofdramaticclimatechangethathadanimpactonEarth’secology23Theoftheincreaseintheglobalaveragesurfacetemperature34Theoftheriseintemperature45ThetoreducinggreenhousegasemissionsPart1Evidence1.Whathappenedtothepolarbearinthephoto?Whydidthewriterwriteaboutit?Thepolarbearinthephoto.Becauseitshowedoneoftheeffectsofduetoclimatechange.2.Canyouuseyourwordstodescribehowclimatechangehaveinfluencedthepolarbear’slife?Climatechangelowsea-icelevelsbearscouldnothunthadtotravelgreaterdistancestofindfoodstarvedtodeathitsdeadbodyfoundPart2Cause1.Whyisthe“natural”greenhouseeffectimportantandnecessary?The“natural”greenhouseeffectisimportantbecause.2.theconsequencesofhighgreenhousegas:3.Figureoutthereasonwhyearth’stemperaturerising.“Natural”greenhouseeffectGreenhouseeffectGreenhouseeffect“Man-made”greenhouseeffectPart3consequences1.Theconsequencesofglobaltemperaturerise:resultsresultsTheriseintemperatureTheriseintemperatureledtoextremeweather/naturaldisastersledtoextremeweather/naturaldisastersexampleexample2.Whydidtheauthormentiontheclimatescientists’warning?Theauthormentionedtheclimatescientist’swarningbecauseitisessentialthatweanditneedstobebroughtto.3.Whatistheauthor’spurposeofwritingthistext?Part4solutionsAsindividuals,whatcanwedoinourdailylifetohelptominimizeclimatechange?Step3.Post-readingChoosetherightitemfromtheboxtomakethesummarycomplete.Changetheformwhennecessary.Starve,natural,ecology,naturaldisaster,carbonfootprint,fossilfuelStarve,natural,ecology,naturaldisaster,carbonfootprint,fossilfuelWarmingoceans,meltingiceandrisingsealevelsproveclimatechangeishappening.ItsshockingimpactonEarth's1._________couldbeseenina2013photoofapolarbearontheNorway'sArcticislandofSvalbardthathad2._________todeath.Unabletohuntsealsasbefore,scientistsconcludedlowsea-icelevelsduetoclimatechangehadforcedittotravellongdistancestofindfood.Whenexplainingclimatechange'scauses,scientistsoftentalkabouttwotypesof“greenhouseeffect”—“3._________”and“man-made.”Asthesunwarmsearth,greenhousegasesintheatmospheresuchasmethaneandcarbondioxidetrapsomeheatin,makingEarthwarmenoughtoliveon.Extraman-madegreenhousegasesfromburning4.____________trapevenmoreheatintheatmosphere,leadingtoextremeweatherand5._________________.

Scientistswarnofmoredisasterstocomeifthisman-madeglobalwarmingisnots