新外研版八年级下册M3U2.ppt

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1、Module3JourneytospaceTheearthisa______andit__________thesun.Scientiststhinkthattherehasbeenlifeontheearthfor______________________years.Leadinplanetgoesaroundhundredsofmillionsof数以百万计的However,havewefoundlifeonanyotherplanetsyet?Unit2Wehavenotfoundlifeonanyother

2、planetsyet.noneenvironmentthatsolarpron.没有一人；没有一个；一点儿也没有n.环境pron.那；那个（指代已被提及的事物）adj.太阳的；与太阳有关的Wordsandexpressionssystemsolarsystemgroupgalaxyuniversen.系统；体系星系；（尤指）太阳系n.群；组n.星系n.宇宙Wordsandexpressionslightimpossibleoutcommunicaten.光；光线；光亮adj.（事情）办不到的，不可能的adv.在远方v

3、.联系；交流WordsandexpressionsLookatthepictureandtalkaboutwhatyouknowaboutChinesespaceships.Shenzhou-9isamannedspaceship.Workinpairs1.Anyoneoutthere?2.LifeonEarth3.Thesunandotherstars4.ThestarsatnightReadthepassageandchoosethebesttitleforit.planetstheSuntheEarthMars

4、thesolarsystem行星200billionstarsIt’sapartoftheuniverse(宇宙).theMilkyWayA.galaxyB.planetC.solarsystemD.starE.universeMatchthewordswiththepictures.ABCDEBPutthewordsandexpressionsfromthesmallesttothelargest:A.galaxyB.planetC.solarsystemD.starE.universeBDCAECheck(√)

5、thetruesentences.1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxyintheuniverse.4.Thelightfromthestarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfromspace.6.Spaceshipshavevisitedmostoftheuniverse.√√×√××Answer

6、somequestionsaboutthepassage:1.HavewefoundlifeonMars?2.Howmanyplanetsarethereinthesolarsystem?3.Whichislarger,thegalaxyortheuniverse?4.Whathavescientistsdonetolookatotherplanets?5.Istherelifeoutthereinspace?No,wehaven’t.Eight.Theuniverse.Theyhavesentlotsofspace

7、ships.Wedon’tknow,wehaveneverfoundanylifeonotherplanets.The1stPara.Questions:1.Howlonghastherebeenlifeontheearth?2.Havewefoundlifeonanyotherplanetsyet?Therehasbeenlifeontheearthforhundredsofmillionsofyears.No,wehaven’t.1.Whatiscalledthesolarsystem?Whatisit?2.Ho

8、wmanyplanetsarethereinthesolarsystem?3.Whydon’tscientiststhinkthey’llfindlifeontheotherplanets?Thesunanditsplanetsarecalledthesolarsystem.ItisasmallpartoftheGalaxy/theMilkyW