人教版高中英语必修三unit4-reading(公开课)PPT推荐.pptx
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人教版高中英语必修三unit4-reading(公开课)PPT推荐.pptx
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thescienceofthestarsUnit4AstronomyAstronomy?
@#@AreyouinterestedinStep1Aquizonastronomy3.Earthistheonlyplanetmovingaroundthesun.Part1:
@#@TrueorFalse1.Theearthmovesaroundthesun.TF2.Ittakestheearthonedaytomovearoundthesun.4.Thereisatmosphereonthemoon.5.Theearthistheonlyplanetinthesolarsystemwhichhaslivingcreatures.ayear8planetsnoFFTMercury水星Venus金星Earth地球Mars火星Jupiter木星Saturn土星Uranus天王星Neptune海王星1.Doyouknowhowtheuniversebeganaccordingtochineseculture?
@#@InChina,weallknowthatPanguseparatestheskyfromtheearth.LetsbrainstormthefollowingquestionsChineseLegends(传说传说)Panguseparatedtheskyfromtheearth.Hiswholebodythenturnedintoallkindsofthingsintheuniverse.盘盘古古开开天天辟辟地地2.Trytoputtherightorderofdevelopmentoflifeontheearth?
@#@Ifyouwanttoknowmore,pleaseturntoPage25Lookattitleandthepictures.Canyougetsomeinformationaboutwhatwewilllearnfromthetext?
@#@Bigbang?
@#@Theevolution(development)oflifeontheearth?
@#@Thetextmaytellusthe_oftheearthandthe_oflifeonit.HowlifebeginontheearthPre-readingPre-readingFastreadingMatchthemainideawitheachparagraphy.Para.1Theformation(形成形成)oftheearth.Para.2Theimportanceofwaterforlife.Para.3Awidelyacceptedtheoryabouttheformationoftheuniverse.Para.4Thearrivalofhumansandtheirimpactontheearth.Para.5Thedevelopmentofplantsandanimalsontheearth.CarefulreadingTaskone(para1)WhatisthewidelyacceptedtheoryinPara1?
@#@TheuniversebeganwithaBigBangthatthrowmatters.bodies.acloudof_BigBangasolid_slowlycombinetheearth_downitexplodedloudlywith_and_theearths_dustball/globefirerockatmospherecooledHowdidtheearthcomeintobeing(产生)?
@#@Tasktwo(para2)Whyiswatersoimportantforthebeginningoflife?
@#@paragraph3dissolveharmfulgasesandacidsintotheoceansandseas.BecausewaterallowedtheearthtoWhatlifedevelopedafterwaterappeared?
@#@Paragraph4smallplantsgreenplantsforestearlyshellfishandallsortsoffishinsectsandamphibiansreptilesdinosaursmammalsAbout2.6millionyearsagoNowHumansproducetoomuchcarbondioxide,makingtheearthtoohottolivein.Para5Afterthecleveranimals(humans)becameimportantontheearth,whathappened?
@#@Answerquestion1234567Letscheckwhetherweputtherightorderatfirst.Areyouright?
@#@TaskthreePleasereadthetextagain,thenputtheorderofthesesentences.(exercise2,page27)InsectsandamphibiansappearedTheearthbecameasolidballReptilesappeared.Theearthwasacloudofdust.Shellfishandotherfishappeared.Cleveranimalswithhandsandfeetappeared.Dinosaursappeared.Smallplantsgrewonthewater.Plantsbegantogrewontheearth.Waterappearedontheearth.Theuniversebeginwitha“bigbang”Mammalsappeared.BigBang4.5-3.8billionmanymillionyearslater2.6millionNowTimeEventsBigBangdustsolidglobewaterappearssmallplantsshellfishandfishplantsgrowonthelandinsectsandamphibiansreptilesdinosaurmammalscleveranimalshumanslifeearthSumupThetextmaytellusthe_oftheearthandafter_appear,the_oflifeoneafteranotheronit.formationwaterdevelopmentInthelastparagraph,weknowhumansfaceseriouslyglobalwarmingproblem,whichisthreateningourexistence.Canyouwritesomethingtocallonustoprotectourenvironment?
@#@DiscussionTheearthweliveinisbecomingmoreandmoreterrible,sowemusttakemeasurestodealwithitFirstly:
@#@Secondly:
@#@Thirdly:
@#@Wehopetheenvironmentwillbecomemoreandmorebeautiful.SampleTheearthweliveinisbecomingmoreandmoreterrible,sowemusttakemeasurestodealwithitFirstly,thegovernmentshouldpasslawstopreventpeopleandfactoriesfrompollutingtheenvironment.Secondly,everyoneshouldrealizetheimportanceoftheproblemandtrytheirbesttoprotecttheenvironmentandfightagainstpollution.Besides,itsagoodideastoplanttreestoimprovetheenvironment.Wehopeourearthwillbecomemoreandmorebeautiful.例文例文1.Learnthenewwordsbyheart2.Listentotherecordingofthetext,andparaphrasethedifficultsentencesinthetext.Homework
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