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1、CollegeEnglish(NewEdition)LOGOIntegratedCourse1ObjectivesStudentsaretolearn:1.Noextraterrestrialswilleverlandonearth.2.Keywordsandphrases:pessimisticdeputyalikeadoptonaccountofworkupknockoffgooverregardlessofmakelikeknockdownfadeout3.Keystructures:1)apassiveinfini
2、tive…2)thenominativeabsoluteconstruction4.Writingstrategy:HowtowriteanexpositoryessayPre-readingtasksTeachingWhile-readingtasksTasksPost–readingtasksPre-readingtasks•GroupDiscussion•CulturalNotes•Theme-basedLeading-inGroupDiscussionHowmanyplanetsarethereintheunive
3、rse?Canyounamethem?Doyouthinktherearelivesthere?Andstateyourreasons.Doyouthinkinterstellartravelwilleverbepossible?UnidentifiedFlyingObjects(UFOs)areanyobjectintheskythattheviewercannotrecognize.Manyareduetovariousnaturalphenomena(planets,meteors,aurora,highaltitu
4、declouds,flocksofbirds)orhumanactivity(satellites,balloons,aircraft).Somearehoaxesormistakenobservations.ManypeoplebelievethatUFOsarecraftpilotedbyintelligentextraterrestriallifethatarevisitingtheEarth.CulturalNotesOursolarsystemhasnineplanetswithinit.Theseplanets
5、are:Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,NeptuneandPluto太阳系（SolarSystem）是由太阳、9颗大行星、66颗卫星以及无数的小行星、彗星及陨星组成的。行星由太阳起往外的顺序是：水星（Mercury）、金星（Venus）、地球（Earth）、火星（Mars）、木星（Jupiter）、土星（Saturn）、天王星（Uranus）、海王星（Neptune）和冥王星（Pluto）.SolarSystemSUNyrucrreehenrsnMtritpu
6、tuutsauanapotuEJSrelunUNPesVraMVenusfromSpacemeteoritecratersonitssurfaceVenusissometimesregardedasEarth’ssisterplanet.Insomewaystheyareverysimilar:VenusisonlyslightlysmallerthanEarth(95%ofEarth'sdiameter,80%ofEarth'smass).Bothhavefewcratersindicatingrelativelyyou
7、ngsurfaces.Theirdensitiesandchemicalcompositionsaresimilar.金星有时被视为地球的姊妹星球.他们在某些方面十分相似:金星只是略小于地球(95%的地球直径,80%的地球质量).相对数都表明在这个“年轻”的表面，与地球相比其密度和化学成分相似.lBecauseofthesesimilarities,itwasthoughtthatbelowitsdensecloudsVenusmightbeveryEarthlikeandmightevenhavelife.But,unf
8、ortunately,moredetailedstudyofVenusrevealsthatinmanyimportantwaysitisradicallydifferentfromEarth.Itmaybetheleasthospitableplaceforlifeinthesolarsystem.l
