2025年新版侏羅紀(jì)聽力試題及答案（聽力考試正式開始，請(qǐng)考生調(diào)整耳機(jī)，準(zhǔn)備作答。）Part1ShortConversations（共5段對(duì)話，每段對(duì)話后有1個(gè)問題，錄音播放一遍）Conversation1M:DidyoureadDr.Larson’slatestpaperonAllosaurus?Hearguestheyweren’tapexpredatorsbutscavengers.W:That’sabigshiftfromtheoldtheory.ButhisteamfoundtoothmarksonStegosaurusfossils—Allosaurusteeth,butthewoundswerealreadyhealing.SotheStegosaursurvivedtheattack,meaningtheAllosauruswasn’tkillingit,justscavenging?M:Exactly.Andbonedensityscansshowtheirskullscouldn’thandletheforceofalivepreystruggle.Q1:WhatisthemainpointofDr.Larson’snewresearch?Conversation2W:Themuseum’snewJurassicexhibithasaSpinosaurusskeleton.IthoughttheyonlylivedintheCretaceous.M:Mostdid,butthisspecimenwasfoundinUtah’sMorrisonFormation,datedto150millionyearsago—lateJurassic.Theteamusedzircongeochronologytoconfirmthestrata.W:Sothatpushestheirexistencebackby20millionyears.That’llrewritethetextbooks.Q2:WhatissignificantabouttheSpinosaurusspecimenmentioned?Conversation3M:WhyaretheresofewBrachiosaurusfossilscomparedtoApatosaurus?W:Theirnasalopeningsareontopoftheskull,whichsomethinkmeanstheylivednearwater.Iftheydiedinriverdeltas,sedimentwouldburythemquickly—butriversystemserodeovertime,destroyingfossils.Apatosaurspreferredfloodplains,wheresedimentsaccumulatesteadily.M:Sopreservationenvironmentmattersmorethanpopulationsize?Q3:WhatdoesthewomansuggestaboutBrachiosaurusfossilscarcity?Conversation4W:ThedronesurveyinPatagoniafoundanewfossilbed.Thethermalimagingshowedbone-likestructuresunder3metersofsediment.M:Anycluesonthespecies?Thearea’sknownforsauropods,butthesurveydetectedahighconcentrationofsmall,curvedbones—maybeCompsognathus?W:OrCoelurus—theyhadsimilarhindlimbstructures.We’llstartexcavatingnextmonth.Q4:Whataretheresearchersplanningtodonext?Conversation5M:TheT.rexinJurassicParkisfromtheCretaceous,butthemovie’ssetintheJurassic.Whythemix-up?W:Originally,theywantedAllosaurusasthemainpredator,but90sCGIcouldn’tmakeitlookmenacingenough.T.rexwasmoreiconic,evenifit’schronologicallywrong.Theproducersprioritizedaudiencerecognition.Q5:WhydoesJurassicParkfeatureT.rexdespitethetimeperioderror?Part2LongConversation（一段長(zhǎng)對(duì)話，后有5個(gè)問題，錄音播放一遍）W:Professor,I’mwritingapaperontheaccuracyofJurassicPark’sdinosaurbehavior.CanIaskyouafewquestions?M:Sure.Let’sstartwiththeVelociraptors.Inthemovie,they’repackhunterswithhighintelligence.W:Right.ButrealVelociraptorswerethesizeofturkeys,right?M:Yes,about1.8meterslong,notthe2.5-metergiantsinthefilm.That’sbecausetheyusedDeinonychusskeletonsforthedesign—Deinonychuswaslargerandmorecloselyrelatedtobirds.Asforpackhunting,there’sdebate.ADeinonychusbonebedinMontanahasmultipleindividuals,butsomearguetheydiedtogetherinaflood,nothunting.W:WhatabouttheTriceratopsillnessinthefirstmovie?Thevetsaysit’saplanttoxin.Isthatplausible?M:Interesting.Modernherbivoresdogetpoisonedbytoxicplants—koalashavespecializedliverstohandleeucalyptus.Jurassicplantslikecycadsproducedneurotoxins.IfaTriceratopsatetoomany,itcouldcausedigestiveissues.Themovie’spremiseispossible,thoughtherapidonsetofsymptomsisexaggerated.W:TheBrachiosaurusareshowneatingfromtreetops.Isthataccurate?M:Theirlongnecksandupward-facingteethsuggesttheywerehighbrowsers.Astudyin2023used3Dmodelingtosimulatetheirneckmovement—theycouldreachupto15meters,whichmatchestheheightofJurassicconifers.Sothatpart’sactuallyprettygood.W:Lastquestion:theSpinosaurusinJurassicWorld.It’sshownasmoreaquaticthantheT.rex.Isthereevidenceforthat?M:RecentfossilsfromMoroccoshowSpinosaurushaddensebones(likepenguins)forbuoyancy,andpaddle-likefeet.Itssnoutiscrocodilian,suitedforcatchingfish.Sothemovie’sportrayalofitasasemi-aquaticpredatorisbasedonreal2014–2020discoveries.ThoughitscombatwithT.rexisfictional—theynevercoexisted.Q6:WhatdoestheprofessorsayabouttheVelociraptorsinJurassicPark?Q7:Whydoestheprofessormentionkoalas?Q8:Whatdoesthe2023studyconfirmaboutBrachiosaurus?Q9:WhatfeatureofSpinosaurussupportsitssemi-aquaticlifestyle?Q10:WhatisfictionalabouttheSpinosaurus-T.rexcombatinJurassicWorld?Part3Lecture（一段學(xué)術(shù)講座，后有10個(gè)問題，錄音播放一遍）Goodmorning,everyone.Todaywe’lldiscussagroundbreaking2024studyonJurassicpaleoclimateanditsimpactondinosaurevolution.Fordecades,wethoughttheJurassicwasuniformlywarmandhumid,butnewdatafromAntarcticsedimentcorestellsadifferentstory.First,let’ssetthescene.TheJurassicperiod,201–145millionyearsago,sawthebreakupofPangaeaintoLaurasiaandGondwana.Thiscontinentaldriftaffectedoceancurrentsandatmosphericcirculation.Previously,mostclimatedatacamefromtheNorthernHemisphere,buttheAntarcticcores—drilled3kmbelowtheice—provideaSouthernHemisphereperspective.Thecorescontainfossilizedplanktonandoxygenisotopes,whichtracktemperature.Theresults?TheearlyJurassic(201–174mya)wasindeedhot,withaverageglobaltemps10°Chigherthantoday.ButthemiddleJurassic(174–163mya)sawacoolingtrend—tempsdropped4°Cover10millionyears.ThiscoolingwasdrivenbyincreasedvolcanicactivityinthePacific,whichreleasedsulfuraerosolsthatreflectedsunlight.Howdidthisaffectdinosaurs?Let’slookatsauropods.EarlyJurassicsauropods,likePlateosaurus,hadsimpleteethforstrippingleaves.BythemiddleJurassic,asconifersandcycads(whichhavetougherleaves)becamedominant,sauropodsevolvedmorecomplexteeth—Camarasaurushadspoon-shapedteethforcrushing,andDiplodocusdevelopedpencil-liketeethforraking.Theirdigestivesystemsalsochanged:fossilizedgastroliths(stomachstones)inmiddleJurassicsauropodsarelargerandsmoother,indicatingtheyneededtogrindtougherplantmaterialmoreefficiently.Theropods,too,wereimpacted.Thecoolingledtomoreseasonalrainfall,creatingfragmentedhabitats.Smallertheropods,likeMegalosaurus,adaptedtoforestedenvironmentswithshorterlimbsforagility.Largertheropods,suchasAllosaurus,evolvedlongerlegsforchasingpreyacrossopensavannasthatemergedasforeststhinned.Anotherkeyfinding:themiddleJurassiccoolingcoincidedwithaburstofdinosaurdiversity.Beforethecooling,60%ofdinosaurgeneraweresauropods.By165mya,sauropodsmadeup45%,whileornithischians(likeStegosaurus)andtheropodseachroseto25%.Thissuggestsclimatechangeactedasanevolutionarypressure,favoringspeciesthatcouldexploitnewniches.Now,awordonmethodology.TheAntarcticcoresweredatedusingargon-argondatingonvolcanicashlayerswithinthesediment.Theoxygenisotopeanalysisaccountedforicevolume—sincetherewerenopolaricecapsintheJurassic,allisotopechangesreflecttemperature,notice.ThismakesthedatamorereliablethanpreviousNorthernHemispherestudies,whichsometimesconflatedtemperatureandiceeffects.Inconclusion,theJurassicwasn’tastatic“ageofdinosaurs”—itwasadynamicperiodwhereclimateshiftsdroverapidevolutionarychange.Thisstudyremindsusthattounderstanddinosaursuccess,wemustlookbeyondtheirbiologytothechangingworldtheyinhabited.Q11:WhatwasthemainsourceofnewJurassicclimatedatamentioned?Q12:WhatcausedthemiddleJurassiccoolingaccordingtothelecture?Q13:HowdidCamarasaurusteethdifferfromPlateosaurusteeth?Q14:WhatdothegastrolithsofmiddleJurassicsauropodsindicate?Q15:WhatadaptationdidMegalosaurushaveforforestedhabitats?Q16:Whatpercentageofdinosaurgeneraweretheropodsby165mya?Q17:WhyistheAntarcticdatamorereliablethanpreviousNorthernHemispherestudies?Q18:Whatisthelecture’smainconclusionabouttheJurassicperiod?Q19:WhatmethodwasusedtodatetheAntarcticsedimentcores?Q20:WhattypeofplantsbecamedominantinthemiddleJurassic?答案及解析Part1Q1:Allosaurusmighthavebeenscavengersratherthanapexpredators.（對(duì)話中提到牙齒痕跡顯示劍龍存活，且頭骨無(wú)法承受捕獵壓力，支持食腐論。）Q2:ItlivedinthelateJurassic,pushingthespecies’existenceback20millionyears.（標(biāo)本來(lái)自莫里森組，年代確認(rèn)晚侏羅世，改寫生存時(shí)間。）Q3:Theirpreferredhabitat(riverdeltas)ledtopoorerfossilpreservation.（腕龍死于三角洲，沉積物易被侵蝕，而梁龍的泛濫平原更利于保存。）Q4:StartexcavatingthenewfossilbedinPatagonia.（對(duì)話結(jié)尾提到“下個(gè)月開始挖掘”。）Q5:T.rexwasmoreiconic,and90sCGIcouldn’tmakeAllosauruslookmenacing.（制片人優(yōu)先考慮觀眾認(rèn)知度和視覺效果。）Part2Q6:TheyweremodeledafterDeinonychusandlargerthanrealVelociraptors.（教授指出電影中的迅猛龍基于恐爪龍，體型更大。）Q7:Toexplainthatherbivorescanevolvetohandletoxicplants.（樹袋熊的肝臟適應(yīng)桉樹葉，類比三角龍可能中毒。）Q8:Theirnecks