外研版英语八上《We-have-not-found-life-on-any-other-planet

Unit2Wehavenotfoundlifeonanyotherplanetsyet.Module3Journeytospace3Astronautshavealreadybeentothemoon.themoontheearthMars4EarthScientistshavesentspaceshiptoMars.Thejourneyhastakenseveralmonths.NoonehasbeentoMarsyet,becauseMarsisveryfaraway,muchfartherthanthemoon.Doyoubelievethatthereislifeinthespace?Shenzhou-9isamannedspaceship.WhatdoyouknowaboutChinesespaceships?1.Theearthisastar.2.Thesunisastar.3.Thereismorethanonegalaxyintheuniverse.Check(√)thetruesentences.×√√4.Thelightfromthestarsinothergalaxieshastravelledforalongtimetoreachus.5.Scientistshavereceivedmanymessagesfromspace.6.Spaceshipshavevisitedmostoftheuniverse.√××Readthepassageandchoosethebesttitleforit.1.Anyoneoutthere?2.Lifeontheearth3.Thesunandotherstars4.Thestarsatnight√Languagepoints1.Scientiststhinkthattherehasbeenlifeontheearthforhundredsofmillionsofyears.科学家认为地球上的生命已经有亿万年了。e.g.TherearebillionsofstarsintheGalaxy,andthesunisonlyoneofthem.银河系中有数十亿颗恒星，太阳只是其中的一个。hundred前加基数词，表示“一百，两百.......”hundred要用单数形式。hundred与of连用，表示“数百”，要用复数形式，hundredsofmillionsof数百万hundredsof数百thousandsof成千上万billionsof数十亿2.However,wehavenotfoundlifeonanyotherplanetsyet.然而，我们还没有在任何其他行星上发现生命。eg.Ihaven’tlearntanyfartherinformationyet.我还没有得到进一步的信息。Haveyoureceivedherletteryet?你收到她的来信了吗？yet用于否定句和疑问句，意思是“还，尚”。not…yet的意思是“还没，尚未”，表示某事物在某一时间尚未发生，但未来也许会发生。3.Theearthisaplanetanditgoesaroundthesun.Sevenotherplanetsalsogoaroundthesun.地球是颗行星，它围绕着太阳转。此外还有七颗行星也围绕着太阳转。太阳系的其他七颗行星：水星(Mercury)、金星(Venus)、火星(Mars)、木星(Jupiter)、土星(Saturn)、天王星(Uranus)、海王星(Neptune)。4.Noneofthemhasanenvironmentlikethatoftheearth,soscientistsdonotthinktheywillfindlifeonthem.它们中没有一个有像地球这样的环境，因此科学家们认为在它们上面找不到生命。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.Noneofushas/havebeentotheMars.我们中没一个去过火星。5.…oursolarsystemisasmallpartofamuchlargergroupofstarsandplanets,calledtheGalaxyortheMilkyWay.......我们的太阳系只是一个由恒星和行星组成的星系的一小部分，这个星系比太阳系大得多，称作银河系或银河。这里的theGalaxy专指“银河系”，也可以称作theMilkyWay。而galaxy则泛指“星系”。e.g.Scientistshavediscoveredadistantgalaxy.科学家们发现了一个遥远的星系。6.Sohowlargeistheuniverse?It’simpossibletoimagine.所以宇宙有多大？我们无从想象。Itis+形容词(forsb)+to+动词原形意思是“（对某人来说）做某事很...”e.g.Itisdifficulttoreadthesewords.读这些单词很难。7.However,nospaceshiphastravelledfarenoughtoreachotherstarsinourGalaxy.然而，还没有一艘宇宙飞船飞得足够远，能到达银河系中的其他恒星。形容词/副词+enoughtodo足够...做某事eg.Theroomislargeenoughtoholdthreebeds.否定not形容词/副词+enoughtodo不够...做某事enough+名词adj/adv+enougheg.Wedon'thaveenoughfood.Hewasluckyenough.8.Withsomanystarsintheuniverse,arewealone,oristherelifeoutthereinspace?宇宙中有这么多星球，我们是孤独的吗？或者太空中还有其他生命存在呢？with+名词+介词短语，表示伴随情况，意思是“带着……”。e.g.Mr.Zhangiscomingwithabookinhishands.张老师手里带着一书进来了。alone在句中作形容词，不作定语只做表语，也可作副词。意思是“独自地”。e.g.Shewasaloneinthatdarkroom.她独自一人呆在那黑屋子里。Completethepassagewiththewordsandexpressioninthebox.communicateenvironmentnonesolarsystemuniverseIstherelifeonotherplanets?Therearesevenotherplanetsinour(1)____________,but(2)______ofthemhasa(n)(3)____________likethatoftheearth.solarsystemnoneenvironmentSpaceshipsfromtheearthhavedonesurveysoftheotherplanets,buttheyhavenotfoundanylifethere.Whyhasnoonefromotherplanetstriedto(4)_____________withus?Itistruethatscientistshavenotdiscoveredlifeonotherplanetsinthe(5)_________yet,butsomescientistsbelievethattheywillfinditsomeday.communicateuniversePhrases1.好几亿年2.好几十亿的恒星3.绕着太阳转4.他们没有一个5.没人6.被叫做7.太阳系8.银河系9.在宇宙中10.在太空11.难以想象。12.遨游得足够远13.来到达别的恒星14.与（某人）沟通/联系hundredsofmillionsofyearsbillionsofstarsgoaroundthesunnoneofthemnooneis/arecalledthesolarsystemtheGalaxy/theMilkyWayintheuniverseinspaceIt’simpossibletoimagine.travelfarenough…toreachotherstarscommunicatewithsb.1.Thevolunteerssent________bookstoamountainvillageschoolonChildren'sDay.(2013年江苏连云港)A.twohundredsofB.twohundredofC.twohundredsD.twohundred2.Ourschoolissofamousthat________peoplecomeandvisititeveryterm.(2013年江苏宿迁)A.hundredB.hundredsC.hundredofD.hundredsof3.Hepromisedtopickmeupattheschoolgate.However,he_______yet.(2011安徽)A.didn’tarriveB.doesn’tarriveC.isn’tarrivingD.hasn’tarrived4.Anumberoftourists______Yangzhoumanytimesbecauseitissuchabeautifulcity.(2013扬州)A.havebeentoB.hasbeentoC.hasgonetoD.havegonetoLookatthepicturefromasciencestoryforchildrenandanswerthequestions.Whathavethescientistsjustreceived?(amessagefromoneofourspaceships)Theyhavejustreceivedamessagefromoneofourspaceships.Whathavethescientistsjustreceived?(amessagefromoneofourspaceships)Theyhavejustreceivedamessagefromoneofourspaceships.1.Wherehasthespaceshiplanded?(Mars)IthaslandedonMars.2.Whathasthespaceshipdiscovered?(peopleonMars)3.WhyhavethepeopleonMarsnotsentusamessage?(donotknowhowto)IthasdiscoveredpeopleonMars.Theydonotknowhowtosendusamessage.4.WhyhavethepeopleonMarsnotvisitedusontheearth?(donotknowhowto)Theydonotknowhowtovisitusontheearth.WehavejustreceivedamessagefromourspaceshiptoMars…____________________________________________________________________________________________________________________________________