新外研版八年级下册M3U2学习资料.ppt

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1、新外研版八年级下册M3U2Unit2Wehavenotfoundlifeonanyotherplanetsyet.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Wordsandexpressionslightimpossibl

2、eoutcommunicaten.光；光线；光亮adj.（事情）办不到的，不可能的adv.在远方v.联系；交流WordsandexpressionsLookatthepictureandtalkaboutwhatyouknowaboutChinesespaceships.Shenzhou-9isamannedspaceship.Workinpairs1.Anyoneoutthere?2.LifeonEarth3.Thesunandotherstars4.ThestarsatnightReadthepassage

3、andchoosethebesttitleforit.planetstheSuntheEarthMarsthesolarsystem行星200billionstarsIt’sapartoftheuniverse(宇宙).theMilkyWayA.galaxyB.planetC.solarsystemD.starE.universeMatchthewordswiththepictures.ABCDEBPutthewordsandexpressionsfromthesmallesttothelargest:A.g

4、alaxyB.planetC.solarsystemD.starE.universeBDCAECheck(√)thetruesentences.1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxyintheuniverse.4.Thelightfromthestarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfroms

5、pace.6.Spaceshipshavevisitedmostoftheuniverse.√√×√××Answersomequestionsaboutthepassage:1.HavewefoundlifeonMars?2.Howmanyplanetsarethereinthesolarsystem?3.Whichislarger,thegalaxyortheuniverse?4.Whathavescientistsdonetolookatotherplanets?5.Istherelifeouttherei

6、nspace?No,wehaven’t.Eight.Theuniverse.Theyhavesentlotsofspaceships.Wedon’tknow,wehaveneverfoundanylifeonotherplanets.The1stPara.Questions:1.Howlonghastherebeenlifeontheearth?2.Havewefoundlifeonanyotherplanetsyet?Therehasbeenlifeontheearthforhundredsofmillion

7、sofyears.No,wehaven’t.1.Whatiscalledthesolarsystem?Whatisit?2.Howmanyplanetsarethereinthesolarsystem?3.Whydon’tscientiststhinkthey’llfindlifeontheotherplanets?Thesunanditsplanetsarecalledthesolarsystem.ItisasmallpartoftheGalaxy/theMilkyWay.The2ndPara.Questio

8、ns:Thereareeightplanets.Becausenoneofthemhasanenvironmentlikethatoftheearth.Whathavescientistsdiscovered?2.Whyisitimpossibletoimaginehowlargetheuniverseis?They’vediscoveredmanyothergalaxiesinthe