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Module3Theearthisa______andit__________thesun.Scientiststhinkthattherehasbeenlifeontheearthfor______________________years.planetgoesaroundhundredsofmillionsof数以百万计的However,havewefoundlifeonanyotherplanetsyet?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.联系；交流WordsandexpressionsLookatthepictureandtalkaboutwhatyouknowaboutChinesespaceships.Shenzhou-9isamannedspaceship.1.Anyoneoutthere?2.LifeonEarth3.Thesunandotherstars4.ThestarsatnightReadthepassageandchoosethebesttitleforit.planetstheSuntheEarthMarsthesolarsystem行星200billionstarsIt’sapartoftheuniverse(宇宙).A.galaxyB.planetC.solarsystemD.starE.universeMatchthewordswiththepictures.ABCDEBPutthewordsandexpressionsfromthesmallesttothelargest:A.galaxyB.planetC.solarsystemD.starE.universeBDCAECheck(√)thetruesentences.1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxyintheuniverse.4.Thelightfromthestarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfromspace.6.Spaceshipshavevisitedmostoftheuniverse.√√×√××Answersomequestionsaboutthepassage:1.HavewefoundlifeonMars?2.Howmanyplanetsarethereinthesolarsystem?3.Whichislarger,thegalaxyortheuniverse?4.Whathavescientistsdonetolookatotherplanets?5.Istherelifeoutthereinspace?No,wehaven’t.Eight.Theuniverse.Theyhavesentlotsofspaceships.Wedon’tknow,wehaveneverfoundanylifeonotherplanets.The1stPara.Questions:1.Howlonghastherebeenlifeontheearth?2.Havewefoundlifeonanyotherplanetsyet?Therehasbeenlifeontheearthforhundredsofmillionsofyears.No,wehaven’t.1.Whatiscalledthesolarsystem?Whatisit?2.Howmanyplanetsarethereinthesolarsystem?3.Whydon’tscientiststhinkthey’llfindlifeontheotherplanets?Thesunanditsplanetsarecalledthesolarsystem.ItisasmallpartoftheGalaxy/theMilkyWay.The2ndPara.Questions:Thereareeightplanets.Becausenoneofthemhasanenvironmentlikethatoftheearth.1.Whathavescientistsdiscovered?2.Whyisitimpossibletoimaginehowlargetheuniverseis?They’vediscoveredmanyothergalaxiesintheuniverse.Becausetheyareveryfarawayandtheirlighthastotravelformanyyearstoreachus.The3rdPara.Questions:Scientistshave____________________theplanetMarsto____________.Theyhaveevensentspaceshipsto______________thesolarsystem.However,nospaceshiphastravelled_______________________otherstarsinourGalaxy.The4thPara.sentspaceshipstotakephotostraveloutsidefarenoughtoreach1.成百万年2.在其它的行星上3.绕太阳转4.他们中没有人5.被叫做6.太阳系7.一小部分8.几十亿的星星9.在宇宙中10.许多其他的星系11.距离好远12.不得不，必须13.足够远14.如此多15.和某人联系millionsofyearsonanyotherplanetsgoaroundthesunnoneofthembecalledthesolarsystemasmallpartofbillionsofstarsintheuniversemanyothergalaxiesfarawayhave/hastofarenoughsomanycommunicatewithsb.1.Scientiststhinkthattherehasbeenlifeontheearthforhundredsofmillionsofyears.科学家们认为地球上的生命已经有上亿年的历史。hundred前加基数词，表示“一百、二百、三百……”，hundred要用单数形式；hundred与of连用表示“数百”时，hundred要用复数形式，即hundredsof。例如：Thereareeighthundredstudentsinourschool.Therearehundredsofpeopleinthepark.Weplanted_____treeslastyear.A.hundredsofB.hundredofC.fivehundredsD.fivehundredofthousand,million,billion和hundred的用法相同。Practise2.Withsomanystarsintheuniverse,arewealone,oristherelifeoutthereinspace?宇宙中有这么多星球，我们是孤独的吗？抑或太空中还有其他生命存在呢？Withsomanythingstodo,wehavenotimetoplay.要做的事情这么多，我们都没时间玩了。withsomanystarsintheuniverse是介词短语，作伴随状语。类似的例子还有：Thewomanstoodtherewithherhandsinthepockets.那个女士站在那里，手插在口袋里。Practise—Whydoyoualwayssleep______?—BecauseI’mafraidofthedark.A.byyourselfB.withthedooropenC.withthewindowopenD.withthelighton3.Noneofthemhasanenvironmentlikethatoftheearth,soscientistsdonotthinktheywillfindlifeonthem.他们中没有一个有像地球这样的环境，因此科学家们认为在他们上面找不到生命。noneof…表示（三个以上）一个也没有。做主语时，谓语动词可用单数或复数。e.g.我们中没一个人去过火星。Noneofushas/havebeentoMars.注意：none与noone（nobody）的区别：(1)none既可指人也可指物，通常与表范围的of短语连用；noone(=nobody)只能指人，不能与of短语连用。如：Noneofushas/havebeentoSanya.我们都没去过三亚。(2)none与数量有关，可回答howmany问句，表示“一个也没有”；而noone表示“什么人也没有”，可回答who问句。如：-Whoareyouspeakingto?-_________.-Howmanystudentsarethereintheroom?-_________.NooneNonethat是指示代词。为避免重复，可用that或those来代替前面已提到过的人或事物；1.Theairinthecountrysideisfresherthan_________inthecity.2.Thestreetsinthecityarewiderandthebuildingsaretallerthan________inthecounty.3.Theenvironmentismuchcleanerthan________inthecity.4.ThepopulationofShanghaiismuchlargerthan______ofNanning.thatthosethatthat4.However,nospaceshiphastraveledfarenoughtoreachotherstarsinourGalaxy.然而，没有一个航天器去到足以到达我们银河系其他恒星那么远的地方。…enough…todoadj./adv.+enough+todosth.足够…，可以…not+adj./adv.+enough+todosth.不够…，不可以…(1)我们有足够的钱花。Wehave___________________________.(2)他跑得够快，很快追上了我们。Heran________________catchupwithussoon.(3)他年龄不够大，照顾不了自己。He_______________________________________.enoughmoneytospendfastenoughtoisn’toldenoughtolookafterhimselfCompletethepassagewiththewordsandexpressioninthebox.communicateenvironmentnonesolarsystemuniverseIstherelifeonotherplanets?Therearesevenotherplanetsinour(1)___________,but(2)_______ofthemhasa(n)(3)__________likethatoftheearth.solarsystemnoneenvi