国际交流英语视听说unit6课后答案

Unit6ExploringSpaceBook1Unit6ExploringSpaceBook1Unit6ExploringSpaceAnalyticalListeningPredictingContent.Youwillhearadoctor’spresentationaboutthehealtheffectsofspacetravel.Withapartner,decidewhichtopicthedoctorwillprobablyNOTtalkabout.Circleyouranswer.BeforeListeningListening1☐Astronautsoftendon’tgetenoughsleep.☐Astronautswearspecialspacesuitstoprotecttheirbodies.☐Astronautsneedtogetalotofexerciseinspace.☐Astronautshavespecialjobstodowhilethey’reinspace.PriorKnowledge.BeforeListeningAnswerKeysAstronautshavespecialjobstodowhilethey’reinspace.Listening1A|CheckingPredictionsAPresentationbyaMedicalDoctorListeningListening1AnswerKeysAstronautsoftendon’tgetenoughsleep.Astronautswearspecialspacesuitstoprotecttheirbodies.Astronautsneedtogetalotofexerciseinspace.Listening1B|ListeningforMainIdeas.Readthestatementsandanswerchoices.Thenlistenagainandchoosethecorrectwordorphrasetocompleteeachstatement.Listening11.Spacesuitsgiveastronautsairand_____.a.coldtemperaturesb.lightc.airpressure2.Theastronautswilleat_____smallmealseverydayonthespacestation.a.threeb.fourc.five3.Togetmoresleep,theastronautscan_____.a.coverwindowsb.takemedicinec.drinkwarmtea4.Astronautsneedtogetalotofexercisesothattheydon’tbecome_____.a.heavyandslowb.thinandweakc.tiredandboredCabCAnswerKeys1.F(Hesayshealwaysenjoystalkingtochildren.)2.T3.T4.F(Astronautsneedtoexercisefortwoorthreehourseverydaytostaystrongandhealthy.)Listening1C|MakingInferences.A|Collaboration.Withapartner,createascheduleforonedayinthelifeofanastronautontheInternationalSpaceStation.Usetheinformationfromthepresentation.Rememberthatastronautsneedtimeeachdayforbothworkandleisure.AfterListeningListening1A|CheckingTimeExpressions.Listentopartofatalkbyatourguide.Check(√)thetimeexpressionsyouhear.BeforeListeningListening2☐after☐assoonas☐before☐during☐finally☐first☐last☐next☐second☐until√√√AnswerKeys1.before2.assoonas3.last4.during5.After6.FinallyListening2B|UsingTimeExpressions.ATalkbyaTourGuideA|ListeningforMainIdeas.Readthestatementsandanswerchoices.Thenlistentotheentiretalkandchoosethecorrectwordtocompleteeachstatement.ListeningListening2TobecontinuedListening21.TheYerkestelescopeisspecialbecauseit’sthe_____refractingtelescopeintheworld.a.oldestb.largestc.lightest2.Tolookatdifferentpartsofthesky,the_____movesaroundinacircle.a.telescopeb.scientistc.room3.ScientistsusedtheYerkestelescopetodiscoverthe_____oftheMilkyWaygalaxy.a.ageb.sizec.shapebccB|Note-Taking.Listenagainandcompletethenotes.Listening2AgeofYerkesObservatory:fromthe18______Telescopetypes:1.Reflecting(use:__________)2.Refracting(use:lenses)SizeoflensesinYerkestelescope:______inchesObservatoryin1892:1.inthe___________2.onahill90smirrors40countryUnit6ExploringSpaceViewingtheWorldApollo17:the11thandfinalmannedmissionintheU.S.Apollospaceprogram.ItwaslaunchedonDecember7,1972,anditwasthelastmissiontolandhumansonthemoon.“阿波罗17”号ExampleAnswersBeforeViewingMannedSpaceExplorationAdvantagesDisadvantages•Wecanlearnmoreaboutspace.•Astronautscandothingsthatmachinescan’tsuchasfiguringoutasolutiontoanunexpectedproblem.•Astronautscanmakedecisions.•Astronautscanhelpgetmorepublicsupportforspaceexploration.•It’sveryexpensive.•Itcanbedangerous,andastronautshavediedinthepast.•Ittakestimeandresourcestotrainastronauts.B|UsingaDictionary.Readandlistentotheinformation.Thenuseyourdictionarytohelpyouwiththeunderlinedwords.BeforeViewingThelastpeopletowalkonthemoonwerethecrewofApollo17in1972.Bythattime,however,unmannedspaceexplorationoftheplanetsinoursolarsystemwasalreadytakingplace.Sendingsatellitesandprobesintospaceissaferandlessexpensivethansendingpeople.Probeshavebeensenttothesun,tootherplanets,andtotheirmoons.Marsalonehasbeenstudiedbyadozenspaceprobes.Theprobeseitherflybyororbitaplanet,andtheysendpicturesandothervaluableinformationbacktoEarth.ExampleAnswerssolarsystem:thesunandalltheplanetsandotherobjectsthatorbititprobes:unmannedspacecraftthatgatherinformationandsenditbacktoEarthdozen:twelveorbit:goaroundaplanetBeforeViewingWhileViewingA|Lookattheillustrationshowingtherelativesizesofthecelestialbodies.Thenwatchthevideoandcheck(√)eachcelestialbodywhenyouhearitsname.WhileViewing☐Earth☐Mars☐Neptune☐Saturn☐Venus☐Jupiter☐Mercury☐Pluto(dwarfplanet)☐UranusAnswerKeysAlloftheplanetsexceptEartharementionedinthevideo.WhileViewingAnswerKeys1.b2.f3.a4.c,d,g,h5.e6.d,g,h7.h8.hWhileViewingAnswerKeys1.F(Itbeganinthe1950s.)2.F(Marspresentsconditionsfavorabletohumansettlement.)3.T4.TWhileViewingUnit6ExploringSpaceFurtherListeningListening1thespaceshuttleColumbia:thefirstspaceworthy(能作航天飞行的)spaceshuttleinNASA’sfleet.Itwaslaunchedin1981anditcompleted27missionsbeforebeingdestroyedwhenitwasreturningtoEarthonFebruary1,2003.Allsevencrewmemberswerekilled.“哥伦比亚”号航天飞机Listening1ExampleAnswersThat’sbecauselightfromstarstravelsthroughtheearth’satmospherebeforeweseeit.Gasesintheatmospherearealwaysmoving,andsostarsappeartotwinkle.1.Whydostarsinthenightskyappeartotwinkle?Listening1ExampleAnswersNo,theydon’t.Theylooklikesteadypointsoflight.2.Dostarstwinkleinspace?Listening1Example