Unit4 Astronomy阅读课件教学教材.ppt

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1、Unit4Astronomy阅读课件天文学astronomy及时，终于intime原子atom下蛋，产卵layeggs系统，制度system产生，分娩givebirthto学说，理论theory轮到某人inone’sturn猛烈的，激烈的violent阻止，制止prevent...from不同，不像unlike对…至关重要befundamentalto有害的harmfulCheckyouranswersAstronomyisthescientificstudyoftheuniverseandtheheavenbod

2、ies,gas,anddustwithinit.astronomerTheearthBlackholesTheMilkyWaycometMeteorsolarsystemSunVenusMercuryMarsJupiterSaturnEarthNeptuneUranus12357864Onwhichplanetcanwefindlifeexistence?Why?basicthingsweneedtosurviveairwaterfoodsunshineBecausetheearthhasbasicthingsfo

3、rlifetosurvive.atmospheresoilpropertemperaturePre-readingDoyouknowhowourlifebeganontheearth?Doyouknowanyancientideaaboutthebeginningoftheuniverse?InChineseculture…separatestheskyfromtheearth.PanguskyearthNvwamadehumanbeings:AdamEveInwesterncountries:createdth

4、eworldandalllivingthings.GodReadthepassageonP25quickly,andmatchtherightmainideaofeachparagraph.Howmanypartscanthetextbedividedinto?Step1.FastreadingHowlifebeganontheearthPara.1Para.2Para.3Para.4Para.5AtheoryabouthowtheuniversewasformedTheformation(形成）oftheeart

5、hTheimportanceofwaterforlifeThedevelopmentofplantsandanimalsThearrivalofhumansandtheireffectsontheearthMatcheachparagraphwithitsmainideaPart1:ThedevelopmentoftheearthPart2:Thedevelopmentoflife.CarefulReadingPara1Whatisthewidelyacceptedtheory?Theuniversebeganwi

6、tha__________thatthrewallmatter_____________.Afterthat,atomsbegantoformand_________tocreatestarsandotherbodies.Task1ThedevelopmentoftheearthBigBanginalldirectionscombine1.Whatformstheearth'satmosphere?A.Carbondioxide,oxygen.B.Carbondioxide,oxygen,poisonousgas.

7、C.Watervapour,carbondioxide,oxygen,nitrogen.D.Watervapour,carbondioxide,oxygen,nitrogenandothergases.2.Whatdoestheword“they”refertointhesentences“Itexplodedloudlywithfireandrock.Theywereintimetoproducecarbon,nitrogen,watervaporand......”A.PlanetsB.StarsC.Gases

8、D.FireandrockReadpara2-3againandcompletethefollowingquestions.2.Whywastheearthdifferentfromotherplanets?A.Itproducedalotofheat.B.Thewaterremained.C.Waterdisappeared.D.Itwastheoldes