高中英语_必修三_unit4_reading_课件 35页

Unit4Astronomy:thescienceofthestars\n\n\nTHESOLARSYSTEMCanyounameeachplanetcorrectlyusingthelettersgiveninthetablebelow?地球______木星______火星______水星________海王星_______F.冥王星_______G.土星________H.天王星_______I.金星________EarthJupiterMarsMercuryNeptunePlutoSaturnUranusVenus\nPre-reading1.Doyouknoweachreligionorculturehasitsownideasaboutthebeginningoftheuniverse?InChina,weallknowthatPanguseparatestheskyfromtheearth.\nTheBiblicalAccountDay1:GodspokeandseparatedlightfromdarknesscreatingDayandNightDay2:GodspokeandseparatedthewatercreatingskyandoceanDay3:Godspokeandcreateddryland\nDay4:Godspokeandcreatedthesun,moonandstarsDay5:GodspokeandcreatedlivingcreaturesintheairandseaDay6:GodspokeandcreatedthelandanimalsandmanDay7:GodrestedandblessedthisdaycallingitHoly\nReadingScanning1.Whatwasthereontheearthbeforelifecouldbegin?Watervapour,carbondioxide,oxygen,nitrogenandothergases.\n2.Whydoscientiststhinktherehasneverbeenlifeonthemoon?Becausethereisnowateronthemoon.3.Whydidanimalsfirstappearintheseas?Becausewaterallowedtheearthtodissolveharmfulgasesintotheoceansandseas.\n4.Whydidgreenplantshelplifetodevelop?Becausegreenplantscantakecarbondioxidefromtheatmosphereandfilltheairwithoxygen.\n5.Whyweremammalsdifferentfromotheranimals?Theyweredifferentbecausetheyproducedtheiryoungfromwithintheirbodies.\nReadthepassagequicklyandfindouttheanswerstothequestionsbelow.1.What’sthemainideaofthetext?2.Howmanypartscanthetextbedividedinto?What’sthemainideaforeachpart?\n1.What’sthemainideaofthetext?Howlifebeganontheearth.2.Howmanypartscanthetextbedividedinto?Twoparts:Part1(para1)Part2(para2.3.4)Watermadeitpossibleforlifebegintodevelop.Thedevelopmentoflivingthings.\nPara.1Para.2Para.3Para.4Para.5A________abouthowtheuniversewasformedThe__________oftheearthTheimportanceof______forlifeThe_______________ofplantsandanimalsThearrivalof_________andtheireffectsontheearththeoryformationwaterdevelopmenthumansHowlifebeganontheearthBeforelifeappeared.Differentlivesdeveloped.\nPart1(para1~3)BeforelifeappearedAccordingtoawidelyacceptedtheory,howdidthestarsform?Howdidtheearth’satmosphereform?Whywastheearthdifferentfromtheotherplanets?Whatarolethewaterplayedinthedevelopmentoflife?\n1.Accordingtoawidelyacceptedtheory,howdidthestarsform?2.Howdidtheearth’satmosphereform?Theuniversebeganwitha“BigBang”thatthrewmatterinalldirections,thenatomsbegantoformandcombinetocreatestars.Theearthwassoviolent.Itexplodedloudlywithforeandrocktoproducecarbon,nitrogen,watervaporandothergases,whichweretomaketheatmosphere.\n3.Whywastheearthdifferentfromtheotherplanets?4.Whatarolethewaterplayedinthedevelopmentoflife?Becausethewateronotherplanetshaddisappearedlater.Thepresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.Thisproduceachainreactionwhichmadeitpossibleforlifetodevelop\nTheearthwasjustacloudofdustwhosefutureis_________afterthe“BigBang”.Thenthedustbegantosettleintoa_______ballwhichisso________and_______loudlywithfireandrock,tobeintimetoproducemanythings,whichmaketheearth’s___________.Astheearthcooleddown,________begantoappearandpeoplethinkitisimportantforthebeginningoflife.Itallowedtheearthtodissolve________gases.Thenlifebegantodevelop.uncertainsolidviolentexplodedatmospherewaterharmful︶︶︵Ifeltlonelyandlifewasdullatthattime.\nPart2(para4~5)Howthelifedeveloped1.Makeatimelineofthedevelopmentoflife2.Whydidtheplantsgrowbeforetheanimalscame?3.Whyisitwronginfilmsandstoriestoshowdinosaursandpeopletogether?\n1.2.3.4.5.6.smallplantsOnsurfaceofwaterEarlyshellfishandallsortsoffishgreenplantsonlandlandanimalsinsects(onland)amphibian(onlandandinwater)Mammals---cleveranimalsforestsreptiles(hugeanimal--dinosaurs)\n3.Whyisitwronginfilmsandstoriestoshowdinosaursandpeopletogether?2.Whydidtheplantsgrowbeforetheanimalscame?Becauseplantsprovideoxygenforanimalstobreathe.Becausedinosaursdiedoutlongbeforehumanbeingsdevelopedontheearth.\n︵︵︶Nobodyunderstoodplantswerethestartofchanges.They___________andfilledthefirstoceansandseaswithoxygen.Thisencouragedthe_____________ofearlyshellfishandfish.Landanimalssuchasinsects,amphibians,reptilesanddinosaursandsoon_________afterthefirstgreenplantsappeared.Dinosaursdisappeared,whichmadepossibletheriseof_____________ontheearth.Thensmallcleveranimals____________allovertheearth.multiplieddevelopmentspreadWithsomanyfriendsonme,Iwashappy.followedmammals\nHumansdevelopednew________ofgrowing,huntingandmovingaround.Astimewentbytheycoveredtheearth.Now_______carbondioxidehasbeenputtingintothe__________,which________heat_____escapingfromtheearthintospace.Asaresult,theproblemof______________occurs.Whetherlifewillcontinueontheearthformillionsofyearstocomewill___________whetherthisproblemcanbesolved.meansfrompreventsNow,I’mworriedaboutthefutureofmyselfandhumans…dependon︹toomuchatmosphereglobalwarming\nBigBangAcloudofdustAtmosphereTheearthAsolidballwater\nwaterPlantsinthewaterShellfishandfishPlantsonland\nInsectsandamphibiansReptilesDinosaursMammals\nhumanscameintobeingandspreadallovertheworld.\nAccordingtothepictures,haveatrytoretellthedevelopmentoflife.\n\n\n\nSupposeyouweretheearth,whatwouldyouadvisehumanstodo?Writealettertothehumanbeing.\nPara11awidelyacceptedtheory2beginwith3inalldirectionsPara2Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot.Whatisevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.\nPara3Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.Whatmanyscientistsbelieveisthatthecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidintotheoceansandseas.3makeitpossibleforlifetodevelopPara41onthesurfaceofthewater2filltheoceansandseaswithoxygen3liveonlandaswellasinthewater4produceyoungbylayingeggs5theageofthedinosaurs6remainamystery7.Thisdisappearancemadepossibletheriseofmammalsontheearth.\nPara51spread2.Theyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfromescapingfromtheearthintospace.3.Asaresultofthis,manyscientistsbelievetheearthmaybecometoohottoliveon.4.Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.