2019-2020学年高中英语 Unit 3 Under the sea Section Ⅰ War

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Unit3Underthesea[话题导读]IntelligentcreaturesoftheseaMysteryofwhales“Whaleshavethelargestbrainsonearth,brainseverybitascomplexasourown.Theyhavecultureandtheyhavelanguage...Weachetolearnaboutotherformsofintelligentlifeintheuniverse,andyettherearecreaturesasunknownasextraterrestrials(外星人)rightamongus,movinginaslow­motionballetundertheoceans,hiddenfromourview.”—DianeAckerman,TheMoonbyWhaleLightArecentstudyfoundthatdolphinsandwhalesaremoreintelligentthanweoncethought.Dolphinsareuniversallyregardedassomeofthecleverestcreaturesintheworld.Incaptivity(圈养),theycanbetrainedtocompletecomplextasks,suchasjumpingthroughhoops(铁环)andsomersaulting(翻筋斗)throughtheair.Buttheirintelligencedoesn'tstopthere.Inarecentstudyofcetaceans(鲸目动物)—agroupofanimalsthatincludesdolphinsandwhales,researcherscreatedalistofintelligentbehaviorsobservedin90differentcetaceanspecies,reportedtheGuardian.Forexample,thesmartestcetaceanshuntingroups,shareknowledgethroughmimicry(模仿)andevencareforeachother'schildren.Someevenconsidertheirbehaviortobehuman­like.“Thereisthesayingthat‘ittakesavillagetoraiseachildandthatseemstobetrueforbothwhalesandhumans,”MichaelMuthukrishnaoftheLondonSchoolofEconomics,co­authorofthestudy,toldtheGuardian.However,cetaceansdon'tjustusetheirbrainpowerforsurvival.Thestudysuggeststhatdolphinsmightevengossip.That'sbecausesomespeciesgreeteachotherwithspecificwhistles(口哨),justashumansgreeteachotherbyname,theGuardianreported.Sometimes,agroupofdolphinswhistlesthe“name”ofadolphinthatisn'tthere.Couldtheybespeakingabouttheir“friend”behinditsback?Fortheresearchers,dolphinsmalltalkisabigdeal.Astheyfoundthatthemostsocialcetaceansalsohavethelargestbrains,theyarguethatcetaceanintelligencedevelopedtomeetthedemandsofcomplexsocialgroups.Knownasthe“culturalbrainhypothesis(假设)”,ithadonlybeenusedtoexplaintheintelligenceofhumansandotherprimates(灵长目动物).Thenewstudyaimedtofindacommonpathway(途径)fortheevolutionofintelligenceamongbiologicallydifferentspecies.“Itisinterestingtothinkthatwhaleandhumanbrainsaredifferentintheirstructurebuthavebroughtustothesamepatternsinbehavior,”LukeRendell,abiologistattheUniversityofStAndrews,toldtheGuardian.Indeed,westillhavealottolearnaboutourintelligentocean­dwelling(生活在海洋里的)neighbors.“Wedon'thavetolookatotherplanetstolookforaliens,”MuthukrishnatoldtheGuardian,“becauseweknowthatunderwatertherearetheseamazingspecieswithsomanyparallelstousintheircomplexbehaviors.”SectionⅠWarmingUp&Prereading&Reading-Comprehending练读文记词汇学翻译1教材助读[先读通]OLDTOMTHEKILLERWHALEIwas16whenIbeganworkinJune1902atthewhalingstation.Ihadheardof①thekillersthateveryyearhelpedwhalerscatchhugewhales1.Ithought,attime,thatthiswasjustastory2butthenIwitnessed②itwithmyowneyesmanytimes.OntheafternoonIarrivedatthestation,asIwassortingout③myaccommodation④,Iheardaloudnoisecomingfromthebay3.Werandowntotheshore⑤intime⑥toseeanenormousanimalopposite⑦usthrowingitselfoutof⑧thewaterandthencrashing⑨downagain.Itwasblackandwhiteandfish­shaped.ButIknewitwasn'tafish.“That'sOldTom,thekiller4,”oneofthewhalers,George,calledout⑩tome.“He'stellingusthere'sawhaleoutthereforus.”Anotherwhaleryelled⑪out,“Rush­oo...rush­oo.”Thiswasthecallthatannouncedtherewasabouttobe⑫awhalehunt5.“Comeon⑬,Clancy.Totheboat,”Georgesaidasheranaheadof⑭me6.IhadalreadyheardthatGeorgedidn'tlikebeingkeptwaiting7,soeventhoughIdidn'thavetherightclotheson⑮8,Iracedafterhim.Withoutpausing⑯wejumpedintotheboatwiththeotherwhalersandheaded⑰outintothebay.Ilookeddown⑱intothewaterandcouldseeOldTomswimmingbytheboat9,showingustheway10.Afewminuteslater,therewasnoTom,soGeorgestartedbeating⑲thewaterwithhisoar⑳andtherewasTom,circlingbacktotheboat,leadingustothehuntagain11.Usingatelescope○2112wecouldseethatsomethingwashappening.Aswedrewcloser,Icouldseeawhalebeingattackedbyapackof○22aboutsixotherkillers.“What'retheydoing?”IaskedGeorge.“Well,it'steamwork○23—thekillersovertherearethrowingthemselvesontopofthewhale'sblow­hole○24tostopitbreathing.Andthoseothersarestoppingitdiving○25orfleeing○26outtosea13,”Georgetoldme,pointingtowardsthehunt14.Andjustatthatmoment,themostextraordinarythinghappened.Thekillersstartedracingbetweenourboatandthewhalejustlikeapackofexciteddogs.Thentheharpoon○27wasreadyandthemaninthebowoftheboataimed○28itatthewhale.Heletitgo○29andtheharpoonhitthespot.Beingbadlywounded15,thewhalesoondied.Withinamomentortwo,itsbodywasdragged○30swiftly○31bythekillersdownintothedepths○32ofthesea.Themenstartedturningtheboataroundtogohome.“What'shappened?”Iasked.“Havewelostthewhale?”“Ohno,”Jackreplied.“We'llreturntomorrowtobringin○33thebody.Itwon'tfloatuptothesurfaceforaround24hours.”“Inthemeantime○34,OldTom,andtheothersarehavingagoodfeed○35onitslips○36andtongue,”addedRed,laughing16.AlthoughOldTomandtheotherkillerswerefierce○37hunters,theyneverharmedorattackedpeople.Infact,theyprotectedthem.TherewasonedaywhenwewereoutinthebayduringahuntandJameswaswashedoff○38theboat17.“Manoverboard○39!Turntheboataround○40!”urged○41George,shoutingloudly18.Theseawasrough○42thatdayanditwasdifficulttohandletheboat.ThewaveswerecarryingJamesfurtherandfurtherawayfrom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