2024年考研英語二真題及答案

2024考研英語二真題及答案TheoutbreakofswinefluthatwasfirstdetectedinMexicowasdeclaredaglobalepidemiconJune11,2024.Itisthefirstworldwideepidemic_____1_____bytheWorldHealthOrganizationin41years.Theheightenedalert_____2_____anemergencymeetingwithfluexpertsinGenevathatconvenedafterasharpriseincasesinAustralia,andrising_____3_____inBritain,Japan,Chileandelsewhere.Buttheepidemicis"_____4_____"inseverity,accordingtoMargaretChan,theorganization'sdirectorgeneral,_____5_____theoverwhelmingmajorityofpatientsexperiencingonlymildsymptomsandafullrecovery,ofteninthe_____6_____ofanymedicaltreatment.Theoutbreakcametoglobal_____7_____inlateApril2024,whenMexicanauthoritiesnoticedanunusuallylargenumberofhospitalizationsanddeaths_____8_____healthyadults.AsmuchofMexicoCityshutdownattheheightofapanic,casesbeganto_____9_____inNewYorkCity,thesouthwesternUnitedStatesandaroundtheworld.IntheUnitedStates,newcasesseemedtofade_____10_____warmerweatherarrived.ButinlateSeptember2024,officialsreportedtherewas_____11_____fluactivityinalmosteverystateandthatvirtuallyallthe_____12_____testedarethenewswineflu,alsoknownas(A)H1N1,notseasonalflu.IntheU.S.,ithas_____13_____morethanonemillionpeople,andcausedmorethan600deathsandmorethan6,000hospitalizations.Federalhealthofficials_____14_____Tamifluforchildrenfromthenationalstockpileandbegan_____15_____ordersfromthestatesforthenewswinefluvaccine.Thenewvaccine,whichisdifferentfromtheannualfluvaccine,is____16_____aheadofexpectations.MorethanthreemilliondosesweretobemadeavailableinearlyOctober2024,thoughmostofthose_____17_____doseswereoftheFluMistnasalspraytype,whichisnot_____18_____forpregnantwomen,peopleover50orthosewithbreathingdifficulties,heartdiseaseorseveralother_____19_____.Butitwasstillpossibletovaccinatepeopleinotherhigh-riskgroup:healthcareworkers,people_____20_____infantsandhealthyyoungpeople.1[A]criticized[B]appointed[C]commented[D]designated2[A]proceeded[B]activated[C]followed[D]prompted3[A]digits[B]numbers[C]amounts[D]sums4[A]moderate[B]normal[C]unusual[D]extreme5[A]with[B]in[C]from[D]by6[A]progress[B]absence[C]presence[D]favor7[A]reality[B]phenomenon[C]concept[D]notice8.[A]over[B]for[C]among[D]to9[A]stayup[B]cropup[C]fillup[D]coverup10[A]as[B]if[C]unless[D]until11[A]excessive[B]enormous[C]significant[D]magnificent12[A]categories[B]examples[C]patterns[D]samples13[A]imparted[B]immerse[C]injected[D]infected14[A]released[B]relayed[C]relieved[D]remained215[A]placing[B]delivering[C]taking[D]giving16[A]feasible[B]available[C]reliable[D]applicable17[A]prevalent[B]principal[C]innovative[D]initial18[A]presented[B]restricted[C]recommended[D]introduced19[A]problems[B]issues[C]agonies[D]sufferings20[A]involvedin[B]caringfor[C]concernedwith[D]wardingoffSectionSectionⅡReadingcomprehensionPartAText1Thelongestbullruninacenturyofart-markethistoryendedonadramaticnotewithasaleof56worksbyDamienHirst,“BeautifulInsideMyHeadForever〞,atSotheby’sinLondononSeptember15th2024(seepicture).Allbuttwopiecessold,fetchingmorethanā70m,arecordforasalebyasingleartist.Itwasalasthurrah.Astheauctioneercalledoutbids,inNewYorkoneoftheoldestbanksonWallStreet,LehmanBrothers,filedforbankruptcy.Theworldartmarkethadalreadybeenlosingmomentumforawhileafterrisingvertiginouslysince2024.Atitspeakin2024itwasworthsome$65billion,reckonsClareMcAndrew,founderofArtsEconomics,aresearchfirm—doublethefigurefiveyearsearlier.Sincethenitmayhavecomedownto$50billion.Butthemarketgeneratesinterestfarbeyonditssizebecauseitbringstogethergreatwealth,enormousegos,greed,passionandcontroversyinawaymatchedbyfewotherindustries.IntheweeksandmonthsthatfollowedMrHirst’ssale,spendingofanysortbecamedeeplyunfashionable,especiallyinNewYork,wherethebail-outofthebankscoincidedwiththelossofthousandsofjobsandthefinancialdemiseofmanyart-buyinginvestors.Intheartworldthatmeantcollectorsstayedawayfromgalleriesandsalerooms.Salesofcontemporaryartfellbytwo-thirds,andinthemostoverheatedsector—forChinesecontemporaryart—theyweredownbynearly90%intheyeartoNovember2024.Withinweekstheworld’stwobiggestauctionhouses,Sotheby’sandChristie’s,hadtopayoutnearly$200minguaranteestoclientswhohadplacedworksforsalewiththem.ThecurrentdownturnintheartmarketistheworstsincetheJapanesestoppedbuyingImpressionistsattheendof1989,amovethatstartedthemostseriouscontractioninthemarketsincethesecondworldwar.Thistimeexpertsreckonthatpricesareabout40%downontheirpeakonaverage,thoughsomehavebeenfarmorevolatile.ButEdwardDolman,Christie’schiefexecutive,says:“I’mprettyconfidentwe’reatthebottom.〞Whatmakesthisslumpdifferentfromthelast,hesays,isthattherearestillbuyersinthemarket,whereasintheearly1990s,wheninterestrateswerehigh,therewasnodemandeventhoughmanycollectorswantedtosell.Christie’srevenuesinthefirsthalfof2024werestillhigherthaninthefirsthalfof2024.Almosteveryonewhowasinterviewedforthisspecialreportsaidthatthebiggestproblematthemomentisnotalackofdemandbutalackofgoodworktosell.ThethreeDs—death,debtanddivorce—stilldeliverworksofarttothemarket.Butanyonewhodoesnothavetoselliskeepingaway,waitingforconfidencetoreturn.21.Inthefirstparagraph,DamienHirst'ssalewasreferredtoas“alastvictory〞because____-.A.theartmarkethadwitnessedasuccessionofvictoryiesB.theauctioneerfinallygotthetwopiecesatthehighestbidsC.BeautifulInsideMyHeadForeverwonoverallmasterpiecesD.itwassuccessfullymadejustbeforetheworldfinancialcrisis22.Bysaying“spendingofanysortbecamedeeplyunfashionable〞(Line1-2,Para.3),theauthorsuggeststhat_____.A.collectorswerenolongeractivelyinvolvedinart-marketauctionsB.peoplestoppedeverykindofspendingandstayedawayfromgalleriesC.artcollectionasafashionhadlostitsappealtoagreatextentD.worksofartingeneralhadgoneoutoffashionsotheywerenotworthbuying23.WhichofthefollowingstatementsisNOTture?A.Salesofcontemporaryartfelldramaticallyfrom2024to2024.B.Theartmarketsurpassedmanyotherindustriesinmomentum.C.Themarketgenerallywentdownwardinvariousways.D.Someartdealerswereawaitingbetterchancestocome.24.ThethreeDsmentionedinthelastparagraphare____A.auctionhouses'favoritesB.contemporarytrendsC.factorspromotingartworkcirculationD.stylesrepresentingimpressionists25.Themostappropriatetitleforthistextcouldbe___A.FluctuationofArtPricesB.Up-to-dateArtAuctionsC.ArtMarketinDeclineD.ShiftedInterestinArts〔編輯Text2IwasaddressingasmallgatheringinasuburbanVirginialivingroom--awomen'sgroupthathadinvitedmentojointhem.Throughouttheeveningonemanhadbeenparticularlytalkativefrequentlyofferingideasandanecdoteswhilehiswifesatsilentlybesidehimonthecouch.TowardtheendoftheeveningIcommentedthatwomenfrequentlycomplainthattheirhusbandsdon'ttalktothem.Thismanquicklyconcurred.Hegesturedtowardhiswifeandsaid"She'sthetalkerinourfamily."Theroomburstintolaughter;themanlookedpuzzledandhurt."It'strue"heexplained."WhenIcomehomefromworkIhavenothingtosay.Ifshedidn'tkeeptheconversationgoingwe'dspendthewholeeveninginsilence."ThisepisodecrystallizestheironythatalthoughAmericanmentendtotalkmorethanwomeninpublicsituationstheyoftentalklessathome.Andthispatterniswreakinghavocwithmarriage.ThepatternwasobservedbypoliticalscientistAndrewHackerinthelate'70s.SociologistCatherineKohlerRiessmanreportsinhernewbook"DivorceTalk"thatmostofthewomensheinterviewed--butonlyafewofthemen--gavelackofcommunicationasthereasonfortheirdivorces.Giventhecurrentdivorcerateofnearly50percentthatamountstomillionsofcasesintheUnitedStateseveryyear--avirtualepidemicoffailedconversation.Inmyownresearchcomplaintsfromwomenabouttheirhusbandsmostoftenfocusednotontangibleinequitiessuchashavinggivenupthechanceforacareertoaccompanyahusbandtohisordoingfarmorethantheirshareofdailylife-supportworklikecleaningcookingsocialarrangementsanderrands.Insteadtheyfocusedoncommunication:"Hedoesn'tlistentome""Hedoesn'ttalktome."IfoundasHackerobservedyearsbeforethatmostwiveswanttheirhusbandstobefirstandforemostconversationalpartnersbutfewhusbandssharethisexpectationoftheirwives.Inshorttheimagethatbestrepresentsthecurrentcrisisisthestereotypicalcartoonsceneofamansittingatthebreakfasttablewithanewspaperheldupinfrontofhisfacewhileawomanglaresatthebackofitwantingtotalk.26.Whatismostwives'mainexpectationoftheirhusbands?A.Talkingtothem.B.Trustingthem.C.Supportingtheircareers.D.Shsringhousework.27.Judgingfromthecontext,thephrase“wreakinghavoc〞(Line3,Para.2)mostprobablymeans___.Ageneratingmotivation.B.exertinginfluenceC.causingdamageDcreatingpressure28.AllofthefollowingaretrueEXCEPT_______A.mentendtotalkmoreinpublictanwomenB.nearly50percentofrecentdivorcesarecausedbyfailedconversationC.womenattachmuchimportancetocommunicationbetweencouplesDafemaletendstobemoretalkativeathomethanherspouse29.Whichofthefollowingcanbestsummarizethemianideaofthistext?A.Themoraldecayingdeservesmoreresearchbysociologists.B.Marriagebreak_upstemsfromsexinequalities.C.Husbandandwofehavedifferentexpectationsfromtheirmarriage.D.Conversationalpatternsbetweenmanandwifearedifferent.30.Inthefollowingpartimmediatelyafterthistext,theauthorwillmostprobablyfocuson______A.avividaccountofthenewbookDivorceTalkB.adetaileddescriptionofthestereotypicalcartoonC.otherpossiblereasonsforahighdivorcerateintheU.S.DabriefintroductiontothepoliticalscientistAndrewHackerTxet3overthepastdecade,manycompanieshadperfectedtheartofcreatingautomaticbehaviors—habits—amongconsumers.Thesehabitshavehelpedcompaniesearnbillionsofdollarswhencustomerseatsnacks,applylotionsandwipecountersalmostwithoutthinking,ofteninresponsetoacarefullydesignedsetofdailycues.“Therearefundamentalpublichealthproblems,likehandwashingwithsoap,thatremainkillersonlybecausewecan’tfigureouthowtochangepeople’shabits,〞Dr.Curtissaid.“Wewantedtolearnfromprivateindustryhowtocreatenewbehaviorsthathappenautomatically.〞ThecompaniesthatDr.Curtisturnedto—Procter&Gamble,Colgate-PalmoliveandUnilever—hadinvestedhundredsofmillionsofdollarsfindingthesubtlecuesinconsumers’livesthatcorporationscouldusetointroducenewroutines.Ifyoulookhardenough,you’llfindthatmanyoftheproductsweuseeveryday—chewinggums,skinmoisturizers,disinfectingwipes,airfresheners,waterpurifiers,healthsnacks,antiperspirants,colognes,teethwhiteners,fabricsofteners,vitamins—areresultsofmanufacturedhabits.Acenturyago,fewpeopleregularlybrushedtheirteethmultipletimesaday.Today,becauseofcannyadvertisingandpublichealthcampaigns,manyAmericanshabituallygivetheirpearlywhitesacavity-preventingscrubtwiceaday,oftenwithColgate,Crestoroneoftheotherbrands.Afewdecadesago,manypeopledidn’tdrinkwateroutsideofameal.Thenbeveragecompaniesstartedbottlingtheproductionoffar-offsprings,andnowofficeworkersunthinkinglysipbottledwateralldaylong.Chewinggum,onceboughtprimarilybyadolescentboys,isnowfeaturedincommercialsasabreathfreshenerandteethcleanserforuseafterameal.Skinmoisturizersareadvertisedaspartofmorningbeautyrituals,slippedinbetweenhairbrushingandputtingonmakeup.“Ourproductssucceedwhentheybecomepartofdailyorweeklypatterns,〞saidCarolBerning,aconsumerpsychologistwhorecentlyretiredfromProcter&Gamble,thecompanythatsold$76billionofTide,Crestandotherproductslastyear.“Creatingpositivehabitsisahugepartofimprovingourconsumers’lives,andit’sessentialtomakingnewproductscommerciallyviable.〞Throughexperimentsandobservation,socialscientistslikeDr.Berninghavelearnedthatthereispowerintyingcertainbehaviorstohabitualcuesthroughrelentlessadvertising.Asthisnewscienceofhabithasemerged,controversieshaveeruptedwhenthetacticshavebeenusedtosellquestionablebeautycreamsorunhealthyfoods.31.AccordingtoDr.Curtis,habitslikehandwashingwithsoap________.[A]shouldbefurthercultivated[B]shouldbechangedgradually[C]aredeepiyrootedinhistory[D]arebasicallyprivateconcerns〔編輯：〕32.Bottledwater,chewinggunandskinmoisturizersarementionedinParagraph5soasto____[A]revealtheirimpactonpeople’habits[B]showtheurgentneedofdailynecessities[C]indicatetheireffectonpeople’buyingpower[D]manifestthesignificantroleofgoodhabits33.whichofthefollowingdoesNOTbelongtoproductsthathelpcreatepeople’shabits?[A]Tide[B]Crest[C]Colgate[D]Unilver34.Fromthetextwekonwthatsomeofconsumer’shabitsaredevelopeddueto_____[A]perfectedartofproducts[B]automaticbehaviorcreation[C]commercialpromotions[D]scientificexperiments35.theauthor’sattitudetowardtheinfluenceofadvertisementonpeople’shabitsis____[A]indifferent[B]negative[C]positive[D]biasedText4ManyAmericansregardthejurysystemasaconcreteexpressionofcrucialdemocraticvalues,includingtheprinciplesthatallcitizenswhomeetminimalqualificationsofageandliteracyareequallycompetenttoserveonjuries;thatjurorsshouldbeselectedrandomlyfromarepresentativecrosssectionofthecommunity;thatnocitizenshouldbedeniedtherighttoserveonajuryonaccountofrace,religion,sex,ornationalorigin;thatdefendantsareentitledtotrialbytheirpeers;andthatverdictsshouldrepresenttheconscienceofthecommunityandnotjusttheletterofthelaw.Thejuryisalsosaidtobethebestsurvivingexampleofdirectratherthanrepresentativedemocracy.Inadirectdemocracy,citizenstaketurnsgoverningthemselves,ratherthanelectingrepresentativestogovernforthem.Butasrecentlyasin1986,juryselectionproceduresconflictedwiththesedemocraticideals.Insomestates,forexample,jurydutywaslimitedtopersonsofsupposedlysuperiorintelligence,education,andmoralcharacter.AlthoughtheSupremeCourtoftheUnitedStateshadprohibitedintentionalracialdiscriminationinjuryselectionasearlyasthe1880caseofstrauderv.WestVirginia,thepracticeofselectingso-calledeliteorblue-ribbonjuriesprovidedaconvenientwayaroundthisandotherantidiscriminationlaws.Thesystemalsofailedtoregularlyincludewomenonjuriesuntilthemid-20thcentury.AlthoughwomenfirstservedonstatejuriesinUtahin1898,itwasnotuntilthe1940sthatamajorityofstatesmadewomeneligibleforjuryduty.Eventhenseveralstatesautomaticallyexemptedwomenfromjurydutyunlesstheypersonllyaskedtohavetheirnamesincludedonthejurylist.Thispracticewasjustifiedbytheclaimthatwomenwereneededathome,anditkeptjuriesunrepresentativeofwomenthroughthe1960s.In1968,theCongressoftheUnitedStatespassedtheJurySelectionandServiceAct,usheringinaneweraofdemocraticreformsforthejury.Thislawabolishedspecialeducationalrequirementsforfederaljurorsandrequiredthemtobeselectedatrandomfromacrosssectionoftheentirecommunity.Inthelandmark1975decisionTaylorv.Louisiana,theSupremeCourtextendedtherequirementthatjuriesberepresentativeofallpartsofthecommunitytothestatelevel.TheTaylordecisionalsodeclaredsexdiscriminationinjuryselectiontobeunconstitutionalandorderedstatestousethesameproceduresforselectingmaleandfemalejurors.36.FromtheprinciplesoftheUSjurysystem,welearnthat______[A]bothlitcrateandilliteratepeoplecanserveonjuries[B]defendantsareimmunefromtrialbytheirpeers[C]noagelimitshouldbeimposedforjuryservice[D]judgmentshouldconsidertheopinionofthepublic37.Thepracticeofselectingso—calledelitejurorspriorto1968showed_____[A]theinadcquavyofantidiscriminationlaws[B]theprevalentdiscriminationagainstcertainraces[C]theconflictingidealsinjuryselectionprocedures38.Eveninthe1960s,womenwereseldomonthejurylistinsomestatesbecause_____[A]theywereautomaticallybannedbystatelaws[B]theyfellfarshortoftherequiredqualifications[C]theyweresupposedtoperformdomesticduties[D]theytendedtoevadepublicengagement39.AftertheJurySelectionandServiceActwaspassed.___[A]sexdiscriminationinjuryselectionwasunconstitutionalandhadtobeabolished[B]educationalrequirementsbecamelessrigidintheselectionoffederaljurors[C]jurorsatthestateleveloughttoberepresentativeoftheentirecommunity[D]statesoughttoconformtothefederalcourtinreformingthejurysystem40.indiscussingtheUSjurysystem,thetextcenterson_______[A]itsnatureandproblems[B]itscharacteristicsandtradition[C]itsproblemsandtheirsolutions[D]itstraditionanddevelopmentPartB根據(jù)下文判斷正誤。原文：BOTHBoeingandAirbushavetrumpetedtheefficiencyoftheirnewestaircraft,the787andA350respectively.Theircleverdesignsandlightweightcompositescertainlymakeadifference.ButagroupofresearchersatStanfordUniversity,ledbyIlanKroo,hassuggestedthatairlinescouldtakeamorenaturalisticapproachtocuttingjet-fueluse,anditwouldnotrequirethemtobuynewaircraft.Theanswer,saysDrKroo,lieswithbirds.Since1914,andaseminalpaperbyaGermanresearchercalledCarlWieselsberger,scientistshaveknownthatbirdsflyinginformation—aV-shape,echelonorotherwise—expendlessenergy.Theairflowingoverabird?swingscurlsupwardsbehindthewingtips,aphenomenonknownasupwash.Otherbirdsflyingintheupwashexperiencereduceddrag,andspendlessenergypropellingthemselves.PeterLissaman,anaeronauticsexpertwhowasformerlyatCaltechandtheUniversityofSouthernWhenappliedtoaircraft,theprinciplesarenotsubstantiallydifferent.DrKrooandhisteammodelledwhatwouldhappenifthreepassengerjetsdepartingfromLosAngeles,SanFranciscoandLasVegasweretorendezvousoverUtah,assumeaninvertedV-formation,occasionallyswapplacessoallcouldhaveaturninthemostfavourablepositions,andproceedtoLondon.Theyfoundthattheaircraftconsumedasmuchas15%lessfuel(withaconcomitantreductionincarbon-dioxideoutput).Nitrogen-oxideemissionsduringthecruisingportionsoftheflightfellbyaroundaquarter.Thereare,ofcourse,kinkstobeworkedout.Oneconsiderationissafety,oratleasttheperceptionofit.Wouldpassengersfeelcomfortabletravellinginconvoy?DrKroopointsoutthattheaircraftcouldbeseparatedbyseveralnauticalmiles,andwouldnotbeintheunnervinglycosygroupingsfavouredbydisplayteamsliketheRedArrows.Apassengerpeeringoutofthewindowmightnotevenseetheotherplanes.Whethertheseparationdistancesinvolvedwouldsatisfyair-traffic-controlregulationsisanothermatter,althoughaworkinggroupattheInternationalCivilAviation.Organisationhasincludedthepossibilityofformationflyinginablueprintfornewoperationalguidelines.8Itremainstobeseenhowweatherconditionsaffecttheairflowsthatmakeformationflightmoreefficient.Inzonesofincreasedturbulence,theplanes’wakeswilldecaymorequicklyandtheeffectwilldiminish.DrKroosaysthisisoneoftheareashisteamwillinvestigatefurther.Itmightalsobehardforairlinestoco-ordinatethedeparturetimesanddestinationsofpassengeraircraftinawaythatwouldallowthemtogainfromformationflight.Cargoaircraft,incontrast,mightbeeasiertoreschedule,asmightroutinemilitaryflights.Asithappens,America’sarmedforcesareonthecasealready.Earlierthisyearthecountry’sDefenceAdvancedResearchProjectsAgencyannouncedplanstopayBoeingtoinvestigateformationflight,thoughtheprogrammehasyettobegin.Therearereportsthatsomemilitaryaircraftflewinformationwhentheywerelowonfuelduringthesecondworldwar,butDrLissamansaystheyareapocryphal.“MyfatherwasanRAFpilotandmycousintheskipperofaLancasterlostoverBerlin,〞headds.Soheshouldknow.41.FindingsoftheStanfordUniversityresearcherswillpromotethesalesofnewBoeingandAirbusaircraft.42.Theupwashexperiencemaysavepropellingenergyaswellasreducingresistance.43.Formationflightismorecomfortablebecausepassengerscannotseetheotherplanes.44.Therolethatweatherplaysinformationflighthasnotyetbeenclearlydefined.45.IthasbeendocumentedthatduringWorldWarII,America’sarmedforcesoncetriedformationflighttosavefuel.SectionⅢTranslation46.Directions:InthissectionthereisatextinEnglish.TranslateitintoChinese.WriteyourtranslationonANSWERSHEET2.(15points)〔編輯：〕“Suatainability〞hasbecomeapopularwordthesedays,buttoTedNing,theconceptwillalwayshavepersonalmeaning.Havingenduredapainfulperiodofunsustainabilityinhisownlifemadeitcleartohimthatsustainability-orientedvaluesmustbeexpressedthougheverydayactionandchoice.Ningrecallsspendingaconfusingyearinthelate1990ssellinginsurance.He’dbeenthoughthedot-comboomandburstand,desperateforajob,signedonwithaBoulderagency.Itdidin’tgowell.“Itwasareallyhadmovebecausethat’snotmypassion,〞saysNing,whosedilemmaaboutthejobtranslated,predictably,intoalackofsales.“Iwasmiserable,IhadsomuchanxietythatIwouldwakeupinthemiddleofthenightandstareattheceiling.Ihadnomoneyandneededthejob.Everyonesaid,‘Justwait,you’lltrunthecorner,giveitsometime.’〞47.Directions:YouhavejustcomebackfromtheU.S.asamemberofaSino-Americanculturalexchangeprogram.WritealettertoyourAmericancolleagueto1)Expressyourthanksforhis/herwarmreception;2)Welcomehim/hertovisitChinainduecourse.Youshouldwriteabout100wordsonANSWERSHEET2.Donotsignyourownnameattheendoftheletter.Use“ZhangWei〞instead.Donotwriteyouraddress.(10points)48.Directions:2024年考研英語二真題答案：1[D]designated2[C]followed3[B]numbers4[A]moderate5[A]with6[B]absence7[D]notice8.[C]among9[B]cropup10[A]as11[C]significant12[D]samples13[D]infected14[A]released15[C]taking16[B]available17[D]initial18[C]recommended19[A]problems20[B]caringfor21D22A23B24C25C26A27C28D29D30B31A32A33D34C35B36A37C38C39C40D新題型譯文：波音和空客都在吹噓自己最新飛機787和A350的性能，巧妙的設(shè)計與輕質(zhì)的材料當(dāng)然使它們與眾不同。但在斯坦福大學(xué)，由伊蘭▪克魯領(lǐng)導(dǎo)的一個研究小組提出，飛機的飛行路線可以改用更具仿生效應(yīng)的路徑來節(jié)省燃油，而且并不需要購置新的飛機。克魯教授稱這個設(shè)想是受到鳥類的啟發(fā)。1914年，一位名叫卡爾▪維塞爾斯伯格的德國研究員發(fā)表了一篇具有重大意義的論文，科學(xué)家們從中得知，鳥類在飛行的時候排成V字、梯形或倒過來時，會節(jié)省體力。氣流在劃過鳥類雙翼時會在其后面彎曲向上，這是一種叫上升流的現(xiàn)象。在上升流中飛行的鳥阻力減小，可以用更小的力氣飛。彼得▪利薩曼以前是加州理工學(xué)院和南加州大學(xué)的航空專家，他認為由25只鳥組成的隊伍會將飛行距離提升71%。當(dāng)把鳥類的特性應(yīng)用到飛機上的時候，原理也相差無幾。克魯教授和他的團隊模擬了三10架分別從洛杉磯、舊金山和拉斯維加斯起飛的客機在猶他州集合，采用反V字形狀并偶爾換一下位置以便所有飛機輪流利用最有利位置，最后飛到倫敦。他們發(fā)現(xiàn)飛機節(jié)省多達15%的燃油，相應(yīng)的二氧化碳排放也少了很多，途中排放的氮氧化物減少約四分之一。當(dāng)然，一定要有完善的操作指南。要考慮平安問題，至少在感覺上來說是平安的。乘客們在換位時會不會不舒服呢?克魯教授指出飛機間會相隔幾海里，不會像紅箭表演隊(英國皇家空軍特技表演隊)那樣間距小到令人