必修三Unit4Reading-How-Life-Began-on-the-Earth

B3Unit4Astronomy:thescienceofthestars浙江省余姚中学卢建立thescientificstudyoftheuniverseandtheheavenbodies(suchasthesun,themoon,andstars),gas,anddustwithinit.Astronomy：Inoursolarsystemeightplanetscirclearoundthesun.TheSolarSystemA.地球______B.木星______C.火星______D.水星________E.海王星_______F.土星________G.天王星_______H.金星________EarthJupiterMarsMercuryNeptuneSaturnUranusVenusTheSolarSystemCanyounametheeightplanets?Pluto(冥王星)?adwarfplanetInoursolarsystemeightplanetscirclearoundthesun.1111B3Unit4Reading：HowlifebeganontheearthWarmingupChineseLegends(传说)Panguseparatestheskyfromtheearth.Hiswholebodythenturnsintoallkindsofthingsintheuniverse.Legend:TheGoddessNuwamendedtheheavenandcreatedhumanbeingsfromtheclay(粘土).AccordingtoBible(圣经),Godcreatedtheworldandthefirstman,Adam(亚当)andthefirstwoman,Eve(夏娃).TheWesternReligiousBeliefsHowlifebeganontheearthskimmingPara.1Para.2Para.3Para.4Para.5Theformation(形成)of.Theimportanceofforlife.Awidelyacceptedtheory–Thedevelopmentofontheearth.Thearrivalofontheearth.theBigBangtheearthwaterplantsandanimalshumansandtheirimpactHowdoestheauthordevelopthepassage?Task1:A.Giveexamples（举例）B.Intimeorder（以时间顺序）C.Comparison（比较）What’sthewritingstyleofthetext?A.Narrative记叙文B.Explanation说明文C.Essay散文Task2:1.Whatistheoriginalearth’satmospheremadeupof?2.Whatisfundamentaltothedevelopmentoflife?3.Whichkindoflife-beingfirstappearedontheearth,plantsoranimals?ScanningScanthepassagequicklytoanswerthefollowingquestions.Carbon,nitrogen,watervapour,andothergases.Water.1.Whatistheoriginalearth’satmospheremadeupof?2.Whatisfundamentaltothedevelopmentoflife?3.Whichkindoflife-beingfirstappearedontheearth,plantsoranimals?Why?Atfirst,smallplantsbegantoappearonthesurfaceofthewater,theyproducedoxygen,whichencouragedthelaterdevelopmentofearlyshellfishandallsortsoffish.MoredetailstimetheearthAstheearthcooleddownSeveralbillionyearsafterthe“BigBang”Between4.5and3.8billionyearsagoacloudofdustasolidglobeexplodedwithfireandrockWaterbegantoappearproduceC/Nwatervapor,etc.Stage1Thedevelopmentoftheearth(p1-3)Whyiswatersoimportantforthebeginningoflife?Becausewaterallowedtheearthtodissolveharmfulgasesintooceansandseas.Stage2Thedevelopmentoflife(p4-5)ReadPara.4-5andfillintheblanks.45678910smallplantsinwaterinsectsreptilesamphibiansmammalsdinosaurshumansplantsanimalsgreenplantsonlandforestsshellfishandallsortsoffish321Evolutionoflifeontheearth•（）1Insectsandamphibiansappeared.•（）2Dinosaursappeared.•（）3Theearthbecameasolidball.•（）4Smallplantsgrewonthewater.•（）5Reptilesappeared.•（）6Plantsbegantogrowondryland.•（）7Theearthwasacloudofdust.•（）8Waterappearedontheearth.•（9Shellfishandotherfishappeared.•（）10Theuniversebeganwitha“BigBang”.•（）11Cleveranimalswithhandsandfeetappeared.•（）12Mammalsappeared.5106）2948371DetailedreadingPuttheorderofdevelopmentoflifeintoatimeline.1211Page271.Whywastheearthdifferentfromotherplanets?Thewaterremained.2.Whydidtheplantsgrowbeforetheanimalscame?Becauseplantsprovideoxygenforanimalstobreathe.3.Whyisitwronginfilmsandstoriestoshowdinosaursandpeopletogether?Becausedinosaursdiedoutlongbeforehumanbeingsdevelopedontheearth.4.Thereusedtobenineplanetsinthesolarsystem.Recentlyscientistshavedecidedthatoneofthemcannolongerbeconsideredaplanet.Doyouknowthenameofthatplanet?Doyouknowwhytheyremovedit?Pluto.Scientistsnowthinkitistoosmalltobecalledaplanet.5.Whatproblemiscausedbyhumanbeings?Theycauseglobalwarming.ThedevelopmentoftheearthandthelifeontheearthAtheory:TheBigBangacloudofdustasolidglobeatmosphere:carbon,nitrogen,waterandothergaseswater4132settledintoexplodewithfireandrockdissolveharmfulgasesandacidsCooldownsmallplantsinthewaterearlyshellfishandfishgreenplantsonlandinsectsandamphibiansinsectsandamphibiansreptilesdinosaursmammalsreptilesdinosaursmammalsTheyproducedyoungbyl____eggs.ayingThey__________youngbabyanimalsandproducedmilktofeedthem.gavebirthtoDinosaurse_____ontheearthformorethan140millionyears.xistedManhadevolvedfromapes.That’sthedevelopmentoflife.GreenhouseeffectTheearthisouronlyonehome.Arewetakinggoodcareoftheearth?Whatproblemsarehumanscausing?puttingtoomuchcarbondioxideintotheairtheearthmaybecometoohotNolifewillbeontheearthdiscussionAsastudent,whatlittlethingscanwedofortheearth?solarenergyplanttreesrecyclerubbishpreventdesertificationsavewaterpurifyairWehaveonlyoneearth!Weshouldtakecareoftheearth!Onlyifwecareshallwehelp！Onlyifwehelpwillallbesaved!B3Unit4Learningaboutlanguage浙江省余姚中学卢建立Page28___________________________________________________\\\\\\Page28√√√√Page28fundamentalastronomygavebirthtoexistedAsaresultatomspreventsfrompuzzlePage28Page29HOWLIFEBEGANONTHEEARTHNooneknowsexactlyhowtheearthbegan,asithappenedsolongago.However,accordingtoawidelyacceptedtheory,theuniversebeganwithaBigBangthatthrewmatterinalldirections.Afterthat,atomsbegantoformandcombinetocreatestarsandotherbodies.ForseveralbillionyearsaftertheBigBang,theearthwasstilljustacloudofdust.Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.Itexplodedloud