Unit4Astronomy：thescienceoftheStars一：用适当的连词填空；1.Thefactis_______Ihavelosthisaddress.2.Goandgetyourcoat.It's_______youleftit.3.Iwonder_____youaregettingonwithyourstudies.4.Thequestionis______cancompletethedifficulttask.5.Hegotcaughtintheheavytraffic.Thatwas______hewaslate.6.__________leavestheroomlastoughttoturnoffthelight.7.__________youhavedonemightdoharmtoothers.二、完形ExploringtheautumnskyThecoolnightsofautumnarehereto___1___usthechillofwinterisnotfaroff.Alongwiththecoolair,thebrilliant___2___ofthesummertrianglefallinthewesttobereplacedwitharatherbland-lookingregionofsky.Butdon't___3___initialappearancesdeceiveyou.___4___inthefallskyaregemsequaltosummertime.TheBigDipperswingslowthis___5___,andforpartsofthesouthernUnitedStatesit___6___sets.CassiopeiatheQueen,a___7___offivebrightstarsinthe___8___ofa"W"or"M,"reachesits___9___pointoverhead,thesamespottheBigDipperreached6months___10___.TotheeastofCassiopeia,PerseustheHeroriseshigh.NestledbetweenthesetwogroupsisthewondrousDoubleCluster—NGCs869and884—afantasticsightinbinocularsoralow-powertelescope.1.A.recallB.retellC.remindD.advise2.A.starsB.planetsC.satellitesD.subjects3.A.makeB.haveC.forceD.let4.A.HiddenB.TohideC.HidingD.Appearing5.A.yearB.monthC.dayD.season6.A.trulyB.exactlyC.actuallyD.possibly7.A.teamB.classC.kindD.group8.A.formB.shapeC.figureD.formation9.A.highestB.lowestC.higherD.deepest10..A.beforeB.agoC.sinceD.later三、阅读理解InJuly1994Jupiter,thelargestplanetinoursolarsystem,wasstruckby21piecesofcomet(彗星).Whenthefragments(碎片)landedinthesouthernpartofthegiantplanet,theexplosionswerewatchedbyscientisthereonearth.Butwhatifourownplanetwashitbyacomet?第1页共5页Theyearis2094.Ithasbeenannouncedthatacometisheadingtowardstheearth.Mostofitwillmissourplanet,buttwofragmentswillprobablyhitthesouthernpartoftheearth.Thenewshascausedpanic.On17July,afragmentfourkilometerswideenterstheearth’satmospherewithahugeexplosion.Abouthalfofthefragmentisdestroyed.ButthemajorpartsurvivesandhitstheSouthAtlanticat200...
