Unit2Wehavenotfoundlifeonanyotherplanetsyet.

Unit2Wehavenotfoundlifeonanyotherplanetsyet.,Module3,Journeytospace,1.Anyoneoutthere?2.Lifeontheearth3.Thesunandotherstars4.Thestarsatnight,Readthepassageandchoosethebesttitleforit.,The1stPara.Questions:,1.Howlonghastherebeenlifeontheearth?2.Havewefoundlifeonanyotherplanetsyet?,Therehasbeenlifeontheearthforhundredsofmillionsofyears.,No,wehavent.,The2&3rdPara.,2.Putthewordsandexpressionsfromthesmallesttothelargest:_,A.galaxyB.planetC.solarsystemD.starE.universe,Whichistrue?A:Sevenplanetsgoaroundtheearth.B:thereareonlystarsinthegalaxy.C.Thesolarsystemislargerthanthegalaxy.D:theEnvironmentoftheearthisdifferentfromthatotherplanetinthesolarsystem.,Spaceshipshavetravelledto_and_.Butnottravelled_yet,becauseitistoo_.,The4thPara.,theplanetMars,outsidethesolarsystem,tootherstarsinourGalaxy,far,The5thPara.,Havescientistsdiscoveredanylifeinouterspaceyet?,No,notyet.,Istherelifeoutthesolarsysteminspace?,Wedonotknowtheanswersyet.,1.Noneofthemhasanenvironmentlikethatoftheearth,soscientistsdonotthinktheywillfindlifeonthem.noneof表示（三个以上）一个也没有。,e.g.我们中没一个人去过火星。,Noneofushas/havebeentoMars.,DifficultSentences,1.Noneofthemhasanenvironmentlikethatoftheearth,soscientistsdonotthinktheywillfindlifeonthem.that是指示代词,可用that或those来代替前面已提到过的人或事物；Theairinthecountrysideisfresherthan_inthecity.Thestreetsinthecityarewiderandthebuildingsaretallerthan_inthecounty.,that,those,DifficultSentences,2.However,nospaceshiphastraveledfarenoughtoreachotherstarsinourGalaxy.enoughtodoadj./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_.,enoughmoneytospend,fastenoughto,isntoldenoughtolookafterhimself,DifficultSentences,1、崔老师叫我们不要在课间围着罗老师转。MissCuiaskedus_afterclasses.2.到目前为止，他们当中没有一个人迟到过。Sofar,_lateforschool.3、君裕被同学们称为“学霸”。Junyu_superscholarbytheclassmates.4、楚君足够漂亮去当一名模特。Chujun_amodel.,CompletetheSentences,nottogoaroundMrLuo,noneofthemhavebeen,iscalled,isprettyenoughtobe,Thesunanditsplanetsarecalled_,Theearthisa_anditgoesaroundthesun._otherplanetsgoaroundtheSun.,planet,Seven,thesolarsystem太阳系,theGalaxy/theMilkyWay银河系,Thereare_starsintheMilkyWay.,billionsof,Oursolarsystemispartof_.,Scientistshavediscoveredmanyother_intheuniverse.Soitis_toimaginehowlargetheuniverseis.,galaxies,impossible,ScientistsspaceshiptoMars.Thejourneyseveralmonths.,havesent,hastaken,Astronautsthemoon.,havealreadybeento,NooneMarsyet,becauseMarsisveryfaraway,muchfartherthanthemoon.,hasbeento,LotsofscientistsareworkinghardsendastronautstoMarsoneday.,inorderto,Writing,Lookatthepicturefromasciencestoryforchildrenandanswerthequestions.,Whathavethescientistsjustreceived?(amessagefromoneofourspaceships)Theyhavejustreceivedamessagefromoneofourspaceships.1.Wherehasthespaceshiplanded?(Mars),IthaslandedonMars.,2.Whathasthespaceshipdiscovered?(peopleonMars)3.WhyhavethepeopleonMarsnotsentusamessage?(donotknowhowto),Ithasdiscoveredpeopleo