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1、Unit4Astronomy:thescienceofthestarsthefirstmaninspaceYuriGagarinThefirstmanonthemoonNeilArmstrongRussia1961U.S.A.1969Astronomyisthescientificstudyoftheuniverseandtheheavenbodies(suchasthesun,themoon,andstars),gas,anddustwithinit.astronomerTheSolarsystemeightplanetsmanycometsotherob
2、jectsMercuryMarsVenusSaturnJupiterNeptuneUranusEarthPlutoHowLifeBeganontheEarth海洋里的细胞开始分裂登陆爬行动物恐龙Mammals人类的兴起1.Theoriginoflifeonearthisaquestionthatinterestsastronomers.Whatdoyouknowaboutit?Howoldistheuniverse?(severalbillionyearsago)HowoldistheEarth?(between4.5and3.8millionyearsag
3、o)WhichwerethefirstcreaturesorplantsonEarth?...Pre-reading2.Eachreligionandculturehasitsownideasabouthowlifebeganonearth.Whatdoyouknow?InChina,weallknowthatPanguseparatestheskyfromtheearth.Panguseparatestheskyfromtheearth中国神话传说中有盘古开天地的说法。巨人盘古用一把利斧劈开混沌,将天地分开。死后,他的气息化成风和云,声音变成轰轰的雷声,左
4、眼化为太阳,右眼化为月亮,手足与四肢变成大地的四极与五方的名山,血液化成江河,筋脉铺成道路,肌肉形成田地,须发成为星星,牙齿和骨骼化为金属、珍珠、玉石,汗水成为滋润万物生长的甘霖和雨露。OtherlegendsaboutthebeginningofuniverseTheBiblicalAccountDay1:GodspokeandseparatedlightfromdarknesscreatingDayandNightDay2:GodspokeandseparatedthewatercreatingskyandoceanDay3:Godspokeandcre
5、ateddrylandDay4:Godspokeandcreatedthesun,moonandstarsDay5:GodspokeandcreatedlivingcreaturesintheairandseaDay6:GodspokeandcreatedthelandanimalsandmanDay7:GodrestedandblessedthisdaycallingitHolyIndiaBrahmaisthegodfirstrepresentedintheHinduTriad.Heisthecreatoroftheuniverseandallliving
6、beingsaresaidtohaveevolvedfromhim.▲BigBangGasNewstarsDyingstarsremnants平面图太阳系地球大气ReadingI.Readthepassagecarefullyandmatchthemainideawitheachparagraph.P27Para.1Theformation(形成)oftheearth.Para.2Theimportanceofwaterforlife.Para.3Awidelyacceptedtheoryabouttheformationoftheuniverse.Para
7、.4Thearrivalofhumansandtheirimpactontheearth.Para.5Thedevelopmentofplantsandanimalsontheearth.Acloudofdust→asolidball→presenceofwater→onthewater→shellfish&otherfish→plantsbegintogrowondryland→insectsandamphibiansappear→retilesappear→dinosaursappear→mammalsappearThedevelopmentoflife
8、smallplantsgrowonthewatera
