2021-2022年山東省棗莊市大學(xué)英語(yǔ)6級(jí)大學(xué)英語(yǔ)六級(jí)模擬考試(含答案)學(xué)校:________班級(jí):________姓名:________考號(hào):________

一、2.ReadingComprehension(SkimmingandScanning)(20題)1.

Chestpainiscausedbyoverwork.

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2.

Theanimalslivinginextremeoceanicenvironmentshavetofeedoncertainbacteriathathelpthemgetenergyfrom______.

3.

Manyfamilylawadvisorsofferlegaladviceforcouplesindivorceissueswithacomparativelylowfee.

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4.

Expertssuggestthehighestnumberoffatyoutakeinperdaybeaveragely______forahealthydiet.

5.

Manypeoplearetooscaredtopursuetheirdreamsbecausetheyareunwillingto______.

6.ResidentsofOldOrderAmishcommunitiesbeganunconsciouslytopractisesustainablelivingfrom______.

7.

Dietandphysicalqualitieswhichpasseddownfromourparentsaffect______,anaturalsubstanceintheliverblood.

8.TripleYourPersonalProductivity

Haveyoueverhadtheexperienceoflookingbackonyourweekwiththesinkingfeelingthatyoudidn'tgetasmuchdoneasyou'dhoped?Whenbuildingasuccessfulcareerorabusinessofyourown,yourtimeisperhapsyourmostvaluableasset,andyourincomeisadirectresultofhowyouspendyourtime.Youcannotbuyanymoretimethanyou'regiven,andtheclockisalwaysticking.

Afewyearsago,Idiscoveredasimplesystemthatallowedmetonearlytriplemyproductivity,andinthisarticleI'llsharesomeverypracticalideasyoucanapplyrightawaytoincreaseyoureffectivenesswithoutworkinganyharderthanyoudonow.

Keepadetailedtimelog.

Thefirststeptobettermanagingyourtimeistofindouthowyou'recurrentlyspendingyourtime.Keepingatimelogisaveryeffectivewaytodothis,andaftertryingitforjustoneday,you'llimmediatelygaintremendousinsightintowhereyourtimeisactuallygoing.Theveryactofmeasuringisoftenenoughtoraiseyourunconscioushabitsintoyourconsciousness,whereyouthenhaveachancetoscrutinizeandchangethem.

Here'showtokeepatimelog.Throughoutyourdayrecordthetimewheneveryoustartorstopanyactivity.Considerusingastopwatchtojustrecordtimeintervalsforeachactivity.Youcandothisduringonlyyourworkingtimeorthroughoutyourentireday.Attheendoftheday,sortallthetimechunksintogeneralcategories,andfindoutwhatpercentageofyourtimeisbeingspentoneachtypeofactivity.Ifyouwanttobethorough,dothisforaweek,andcalculatethepercentageofyourtotaltimethatyouspentoneachtypeofactivity.Beasdetailedaspossible.Notehowmuchtimeyouspendonemail,readingnewsgroups,websurfing,phonecalls,eating,goingtothebathroom,etc.Ifyougetupoutofyourchair,itprobablymeansyouneedtomakeanentryinyourtimelog.Itypicallyendupwith50-100logentriesperday.

Youmaybesurprisedtodiscoveryou'respendingonlyasmallfractionofyourworkingtimedoingwhatyou'dconsidertobeactualwork.Studieshaveshownthattheaverageofficeworkerdoesonly1.5hoursofactualworkperday.Therestofthetimeisspentsocializing,takingcoffeebreaks,eating,engaginginnon-businesscommunication,movingaroundpapers,anddoinglotsofothernon-worktasks.Theaveragefull-timeofficeworkerdoesn'tevenstartdoingrealworkuntil11:00amandbeginstowinddownaround3:30pm.

Analyzeyourresults.

ThefirsttimeIkeptatimelog,Ionlyfinished15hoursworthofrealworkinaweekwhereIspentabout60hoursinmyoffice.EventhoughIwastechnicallyabouttwiceasproductiveastheaverageofficeworker,Iwasstilldisturbedbytheresults.Wheredidthoseother45hoursgo?Mytimeloglaiditalloutforme,showingmeallthetimedrainsIwasn'tconsciouslyawareof—checkingemailtoooften,excessiveperfectionismdoingtasksthatdidn'tneedtobedone,over-readingthenews,takingtoomuchtimeformeals,disturbedbypreventableinterruptions,etc.

Calculateyourpersonalefficiencyratio.

WhenIrealizedthatIspent60hoursattheofficebutonlycompleted15hoursofactualworkwithinthattime,Istartedaskingmyselfsomeinterestingquestions.Myincomeandmysenseofaccomplishmentdependedonlyonthose15hours,notonthetotalamountoftimeIspentattheoffice.SoIdecidedtobeginrecordingmydailyefficiencyratioastheamountoftimeIspentonactualworkdividedbythetotalamountoftimeIspentinmyoffice.WhileitcertainlybotheredmethatIwasonlyworking25%ofthetimeinitially,Ialsorealizeditwouldbeextremelyfoolishtosimplyworklongerhours.

Cutbackontotalhourstoforceanincreaseinefficiency.

&

A.howeffectivelyhespendshistime

B.howmuchworkhedoeseveryday

C.howthebossevaluateshisperformance

D.howhebalancesworkandleisuretime

9.

Accordingtothispassage,thereseemstobenodisagreementover______betweencouples.

10.

AccordingtoAnnieStevens,manynewlyrecruitedmanagersfailinanewjobbecausetheycannotgetalongwiththeircoworkers.

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11.

Somebirds,suchas______,mayholdideasintheirheads.

12.

MarkTwainwasnotasuccessful______,buthewasanoutstandingwriter.

13.Sports

Manyanimalsengageinplay,buthomosapiensistheonlyanimaltohaveinventedsports.Sincesportsareaninvention,apartofcultureratherthananaspectofnature,alldefinitionsofsportsaresomewhatarbitrary.Whethersportsareahumanuniversalfoundineveryknowncultureoraphenomenonuniquetomodernsocietydependsuponone'sdefinitionofsports.Menandwomenhavealwaysrun,jumped,climbed,lifted,thrown,andwrestled,buttheyhavenotalwaysperformedthesephysicalactivitiescompetitively.Althoughallliteratesocietiesseemtohavecontestsofonesortoranotherinwhichmen,andsometimeswomen,competeindisplaysandtestsofphysicalskillandprowess,sportsmaybestrictlydefinedasphysicalcontestsperformedfortheirownsakeandnotforsomeulteriorend.Accordingtothisstrictdefinition,neitherNeolithic(新石器時(shí)代的)huntersnorcontestantsinreligiousceremoniessuchastheancientOlympicGameswereengagedinsports.Insistenceonthestipulationthatsportsmustbeperformedfortheirownsakemeanstheparadoxicaleliminationofmanyactivitieswhichareusuallythoughtofassports,suchasexercisesdoneforthesakeofcardiovascularfitness,racesruntosatisfyaphysicaleducationrequirement,ballgamesplayedtoearnapaycheck.Strictdefinitionalsomeansabandonmentofthetraditionalusageinwhich"sport",derivedfromMiddleEnglishdisporter,referstoanylightheartedrecreationalactivity.Inthemindsofsome18th-centuryaristocrats,agameofbackgammon(15子游戲)andtheseductionofamilkmaidwerebothconsideredgoodsport,butthisusageofthetermhasbecomearchaic.

Strictconceptualizationallowstheconstructionofanevolutionaryhistoryofsportsinwhichextrinsicpolitical,economic,military,andreligiousmotivationsdecreaseinimportanceasintrinsicmotivations—participationforitsownsake—increase.Thedisadvantage,however,isthatthedeterminationthatagivenactivityistrulyasportdependsontheanswertoapsychologicalquestion:Whatisthemotivationoftheparticipants?Thequestionofmotivationcannotbeansweredunambiguously.ItisprobablethatthecontestantsoftheancientOlympicGamesweremotivatedbytheintrinsicpleasureofthecontestaswellasbythereligiousimperativesofGreekcult.Itisalsoprobablethatmodernprofessionalathletesaremotivatedbymorethansimplyeconomicmotives.Thusmostscholarsassumequietlythatpopularusagecannotbecompletelywrongtorefer,forinstance,toU.S.professionalNationalFootballLeaguegamesassports.

Thepsychologicalaspectsofsportsaremoredifficulttoassessbecausefactorssuchasmotivationaremoredifficulttomeasurethanthesizeofaudienceortheamountofacontract.Thepsychologicalteststhathavebeenadministeredhaveproducedsuchawelterofcontradictoryresultsthatmanyspecialistsarereadytoabandontheattempttopinpointmotives.Somegeneralizations,however,seemtenable.Onthewhole,physicalfitnessandthedesireforsimplerelaxationseemtomotivatethosewhoshuncompetitivesportsinfavourofnoncompetitivephysicalactivitiessuchasjogging,hiking,recreationalswimming,andaerobics(althoughthedevelopmentofaerobicsconteststestifiestotheprotean(變化多端的)natureofthecompetitiveurge).Importanttothosewhochoosesportsisthechallengeofthecontest,theopportunitytotestone'sphysicalandmentalskillsagainstanotherperson,againstnature,oragainsttheabstractionofthesportsrecord.Thechoiceofonesportoveranotherdependsontheculturalavailabilityofthesport(fewLaotiansplaybaseball),onsocialgroup(fewtruckdriversownpoloponies),ongender(womenarenotsupposedtobox),andonindividualtemperament(somepeoplecannotenjoygolf).Thereisreasontobelievethatthedistinctionbetweenteamsports,whichemphasizeco

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14.

Blackwomenare______percentmorelikelytobeobesethanMexican-Americanwomen.

15.

The"MountTrashmore"programhasbeenadoptedbymanyuniversities.

A.YB.NC.NG

16.

President______isleavinghismarkwithanambitious$1billionconstructionprograminMassachusettsInstitute.

17.

InLatinAmerica,solidbusinessopportunitiesusuallyresultfrom______.

18.HowtoFindTimetoRead

Doyouwanttoknowhowtoimproveyourselfallthetimewithouthavingtospendmoretimereadingbecauseyougetinvolvedinworkeveryday?Doesitsoundtoogoodtobetrue?Well,readon,please.

AnAverageReader

Ifyouareanaveragereaderyoucanreadanaveragebookattherateof300wordsaminute.Youcannotmaintainthataverage,however,unlessyoureadregularlyeveryday.Norcanyoureachthatspeedwithhardbooksinscience,mathematics,agriculture,business,oranysubjectthatisneworunfamiliartoyou.Thechancesarethatyouwillneverattemptthatspeedwithpoetryorwanttoracethroughsomepassagesinfictionoverwhichyouwishtolinger.Butformostofthenovels,biographies,andbooksabouttravel,hobbiesorpersonalinterests,ifyouareanaveragereaderyoushouldhavenotroubleatallinabsorbingmeaningandpleasureoutof300printedwordsevery60seconds.

Statisticsarenotalwayspractical,butconsiderthefollowing:Iftheaveragereadercanread300wordsaminuteofaveragereading,thenin15minuteshecanread4500words.Multipliedby7,thedaysoftheweek,theproductis315000.Anothermultiplicationby12,themonthsoftheyear,resultsinagrandtotalof1512000words.Thatisthetotalnumberofwordsofaveragereadinganaveragereadercandoinjust15minutesadayforoneyear.

Booksvaryinlengthfrom60000to1000000words.Theaverageisabout75000words.Inoneyearofaveragereadingbyanaveragereaderfor15minutesaday,20bookswillberead.That'salotofbooks.Itis4timesthenumberofbooksreadbypublic-libraryborrowersinAmerica.Andyetitiseasilypossible.

SirWilliamOsier

OneofthegreatestofallmodernphysicianswasSirWilliamOsier.HetaughtattheJohnsHopkinsMedicalSchoolHefinishedhisteachingdaysatMcGillUniversity.Manyoftheout-standingphysicianstodaywerehisstudents.Nearlyallofthepracticingdoctorsoftodaywerebroughtuponhismedicaltextbooks.Amonghismanyremarkablecontributionstomedicinearehisunpublishednotesonhowthepeopledie.

Hisgreatnessisattributedbyhisbiographersandcriticsnotalonetohisprofoundmedicalknowledgeandinsightbuttohisbroadgeneraleducation,forhewasaveryculturedman.Hewasveryinterestedinwhatmenhavedoneandtaughtthroughouttheages.Andheknewthattheonlywaytofindoutwhatthebestexperiencesoftheracehadbeenwastoreadwhatpeoplehadwritten.ButOsler'sproblemwasthesameaseveryoneelse's,onlymoreso.Hewasabusyphysician,ateacherofphysicians,andamedical-researchspecialist.Therewasnotimeina4-hourdaythatdidnotrightlybelongtooneofthesethreeoccupations,exceptthefewhoursforsleep,meals,andbodilyfunctions.

Oslerarrivedathissolutionearly.Hewouldreadthelast15minutesbeforehewanttosleep.Ifbedtimewassetfor11:00Pm,hereadfrom11:00to11:15.Ifresearchkepthimupto2:00AM,hereadfrom2:00to2:15.Overaverylongtime,Oslerneverbroketheroleoncehehadestablishedit.Wehaveevidencethatafterawhilehesimplycouldnotfallasleepuntilhehaddonehis15minutesofreading.

Inhislifetime,Oslerreadasignificantlibraryofbooks.Justdoamentalcalculationforhalfacenturyof15-minutereadingperiodsdailyandseehowmanybooksyouget.Considerwhatarangeofinterestsandvarietyofsubjectsarepossibleinonelifetime.Oslerreadwidelyoutsideofmedicalspecialty.Indeed,hedevelopedfromthis15-minutereadinghabitavocationalspecialtytobalancehisvocationalspecialization.AmongscholarsinEnglishliterature,OslerisknownasanauthorityonSirThomasBrowne,seventeenthcenturyEnglishprosemaster,andOsler'slibraryonSirThomasisconsideredoneoft

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19.

Menviewtalkasameansto______.

20.

NoWestern-style.librariesexistedforthegenerationpublicinChinauntil___________.

二、3.ListeningComprehension(20題)21.(35)

A.Thefirstgroup.

B.Thesecondgroup.

C.Thelastgroup.

D.Allthethreegroups.

22.聽(tīng)力原文：M:Haveyoumadeupyourmind?

W:Yes,I'llgiveupbiologyandswitchtoarcheology,wheremyinterestlies.

Q:What'stheprobablerelationshipbetweenthetwospeakers?

(19)

A.Customerandclerk.

B.Professorandstudent.

C.Bossandemployee.

D.Lawyerandclient.

23.

【B5】

24.(26)

A.Sheisn'tthereinthemorning.

B.Herassistantisn'tthereinthemorning.

C.Shewon'thavetheformsheneedsuntiltheafternoon.

D.Sheisn'tasbusyintheafternoon.

25.(42)

26.SectionC

Directions:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthe

Itdoesn'tcomeasasurprisetoyoutorealizethatitmakesnodifferencewhatyoureadorstudyifyoucan'trememberit.Youjustwasteyour(36)______time.Maybeyouhavealreadydiscoveredsomecleverwaystokeepyourselffrom(37)______.

Onedependableaidthatdoeshelpyourememberwhatyoustudyistohaveaspecificpurposeor(38)______forreading.Yourememberbetterwhatyoureadwhenyouknowwhyyou'rereading.

Readingisnotonesingleactivity.Atleasttwoimportant(39)______goonatthesametime.Asyouread,youtakeinideasrapidlyand(40)______.Butatthesametimeyouexpressyourownideastoyourselfasyoureacttowhatyouread.Youhaveakindof(41)______conversationwiththeauthor.Ifyouexpressedyourideasorally,theymightsoundlikethis:"Yes,Iagree.That'smyopiniontoo."or"Umm,Ithoughtthatrecordwas(42)______muchearlier.I'dbettercheckthosedates,"or"Buttherearesomeotherfactstobe(43)______!"Youdon'tjustsittheretakinginideas—youdosomethingelse,andthatsomethingelseisveryimportant.(44)____________.Inotherwords,agoodreaderisacriticalreader.(45)____________.Factscanbecheckedbyevidence.Opinionsareone'sownpersonalreactions.(46)____________.

27.聽(tīng)力原文：Yearsagobeforetherewererefrigerators,anicehousewasabuildingusedforstoringice.Thefirsticehouseswereinthecellarsoffarmhouses.Piecesofice,mixedwithsnowandmeadowgrass,werepiledinwinterandkeptuntilthefollowingsummer.Soonfarmersbegantobuildseparatehousesforstoringice.Theseicehouseshaddoublewallswithhaystuffedbetweentokeepoutanyheat.Blocksoficewereputinsidetheicehouseandpackedwithstraworsawdust.

Wheredidtheicefortheseicehousescomefrom?Workerstookitfromafrozenpondorriver.Theysawedtheiceintoevenblocks.Thentheypulledtheiceblocksfromthewaterwithhooksandcarriedthemtotheicehousesonsleds.Specialtoolshelpedtheworkerscutandhandletheice.Iceaxeschoppedlargeholesintheice.Icesawscuttheiceintoevenblocks.Choppersloosenedtheseblocksfromoneanother.Icehooksfastenedthemselvesintothelargeblocks.Thentheycouldbecarriedoverthefrozensurfaceofthepondorriver.Tongswereusedtopickupthesmallerblocksofice.Shipscarriediceallovertheworld.In1799thefirstboatloadintheUnitedStateswassentfromNewYorkCitytoicehousesinNewOrleans.Louisiana.AboatloadwassentfromBoston,Massachusetts.totheWestIndiestohelpfightyellowfeverin1805.IcemerchantsinBostonalsoshippedtonsoficefrompondsandriverstocitiesinEurope.

(30)

A.Separatehouseswerebuiltforstoringice.

B.Doublewallswerebuiltinicehousestokeepcool.

C.Blocksoficewerepackedwithweedinicehouses.

D.Icewasputintoicehousesinwinter.

28.SectionB

Directions:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.

聽(tīng)力原文：Haveyoueverbeenafraidtotalkbackwhenyouweretreatedunfairly?Haveyoueverboughtsomethingjustbecausethesalesmantalkedyouintoit?Areyouafraidtoasksomeoneforadate?

Manypeopleareafraidtoassertthemselves.Dr.RobertAlbert,authorofStandUp,SpeakOut,andTalkBack,thinksit'sbecausetheirself-respectislow."There'salwaysa'superior'around—aparent,ateacher,aboss—who'knowsbettor.'"

ButAlbertandotherscientistsaredoingsomethingtohelppeopleassertthemselves.Theyoffer"assertivenesstraining"courses.IntheATcoursepeoplelearnthattheyhavearighttobethemselves.Theylearntospeakoutandfeelgoodaboutdoingso.Theylearntobeaggressivewithouthurtingotherpeople.

Inoneway,learningtospeakoutistoovercomefear.AgrouptakinganATcoursewillhelpthetimidpersontolosehisfear.ButATusesanevenstrongermotive—theneedtoshare.Thetimidpersonspeaksoutinthegroupbecausehewantstotellhowhefeels.

Whetherornotyouspeakupforyourselfdependsonyourself-image.Ifsomeoneyoufaceismore"important"thanyou,youmaystarttodoubtyourowngoodsense.Butwhyshouldyou?ATsaysyoucangettofeelgoodaboutyourself.Andonceyoudo,youcanlearntospeakout.

(27)

A.Somepeoplebuythingstheydonotwant.

B.Somepeopleareafraidtosticktotheirrights.

C.Therearemanysuperiorsaroundyou.

D.Somepeopledonotthinkhighlyenoughofthemselves.

29.【B11】

30.(36)

A.Shakespearewasnotinterestedinmakingaprofit.

B.Shakespearecouldgetone-tenthoftheprofitsoftheGlobeTheater.

C.Shakespeare,likehisfellowwriters,hadnobusinesssense.

D.Shakespeare'sfellowwriterssharedthesameprofitsashedid.

31.(32)

A.Acquireinformationfromsatellitesmoreefficiently.

B.Torealizefullcoverageofareathesatellitepassesover.

C.Buildingmoregroundobservationcenters.

D.Comparesatellitesinformationwiththosefromground.

32.(21)

A.Theyhiredsomeonetostayintheirhome.

B.Theylefttheirpetswiththeirneighbors.

C.Theyrentedtheirhousetoastudent.

D.Theyaskedtheirgardenertowatchtheirhome.

33.(25)

A.Thenearestmetrostationisonlythreeminutes'walkfromthehotel.

B.Thenearestmetrostationisonlyfourminutes'walkfromthehotel.

C.Thenearestmetrostationisonlyfiveminutes'walkfromthehotel.

D.Thenearestmetrostationisonlythreeorfourminutes'walkfromthehotel.

34.(24)

A.Hehastroublestopping.

B.Therearetoomanyrocks.

C.Goinguphillisdifficult.

D.Therearetoomanycurves.

35.聽(tīng)力原文：W:Ifthetrafficwasn'theldupforsolong,Iwouldhavebeentoclassbyteno'clock.

M:It'stoobadyoudidn'tmakeit.Theprofessorwaslookingforyouallmorning.

Q:Whathappenedtothewoman?

(15)

A.Shedidn'tgotoworkthismorning.

B.Shewasinjuredandhadtogotothehospital.

C.Shetalkedwiththebossinthemorning.

D.Thetrafficdelayedher.

36.

【B2】

37.(13)

A.Shefeelsthatthemanmustgotherebyhimself.

B.Sheiscomplainingaboutthenoiseinside.

C.SheisdisappointedthattheMcDonald'sisalwaystoooily.

D.Shefeelsthatshecan'tstandthecircumstanceinside.

38.

【B4】

39.聽(tīng)力原文：M:Whataqueer-tastingthing!What'sthegreenstuff?

W:Oh,it'scalledcurry.It'sthedeliciousseasoningIhadlastnightattheseafoodbanquetheldinTomMarkham'snewhouse.

Q:Whataretheytalkingaboutintheconversation?

(14)

A.Akindoffeeling.

B.Akindofseasoning.

C.Theseafoodbanquet.

D.TomMarkham'snewhouse.

40.聽(tīng)力原文：W:IfeelsouneasyabouttrustingDavidwithourmoney,Howaboutyou?

M:Somepeoplesayhe'snotreliable,butothershavealotofconfidenceinhim.I'mwillingtogivehimthebenefitofthedoubt.

Q:Whatdoesthemanmean?

(18)

A.HethinksDavidisnotreliable.

B.He'swillingtotrustDavid.

C.HehastoldhisdoubtstoDavid.

D.HethinksDavidwillbenefitfromthisexperience.

三、4.ReadingComprehension(ReadinginDepth)(20題)41.

Theword"custom"inthispassagemostprobablymeans______.

A.theconceptofthetrueandthefalseofasociety

B.theindependentlydevelopedsocialorders

C.theadjustmentoftheindividualtothenewsocialenvironment

D.thepatternsandstandardsofbehavior.ofacommunity

42.NetVizorcancreateacopyofwhattheemployeeisseeingbycatching______.

43.

TheadvantageofTelecitiesovermegacitiesmayincludeallthefollowingEXCEPT______.

A.reducingpollution

B.conservingenergy

C.highcostofurbanproperty

D.helpingtodealwithterrorist

44.WhatdowelearnaboutJapanfromthepassage?

A.Itnowbelongstothewesternhemisphere.

B.ItseconomicsituationperhapsgoesevenworsethantheUS.

C.Itsfinancialsystemscollapsedasotherwesterncountriesdid.

D.ItseconomywillrecoversoonerthanotherAsiancountries.

45.AccordingtoBennis,thetraitsharedbyleadersconsistsof______.

A.toplevelsofintelligenceandeducationanddevotion

B.remarkableabilitytoencouragepeoplewithloyaltyandhope

C.strikingqualifiesofgoingthroughserioustrialsandsufferings

D.strongpersonalitiesthatarouseadmirationandconfidence

46.

Whichofthefollowingbestexplainsthereasonwhytheauthorstakesoutanareaofhisown?

A.Hethoughtitbettertobestaredatthantobeignored.

B.Hedidn'twantthewolvestousethetrackpasthistent.

C.Hewantedthewolvestotakenoticeofhisexistence.

D.Hewantedtofindouthowfiercethewolf'sglarewas.

47.Parentsofwailing(哀號(hào))babies,takecomfort:Youarenotalone.Chimpanzeebabiesfuss.Seagullchickssquawk.Buryingbeetlelarvaetaptheirparents'legs.Throughouttheanimalkingdom,babiesknowhowtogettheirparents'attention.Exactlywhyevolutionhasproducedallthisfussing,squawkingandtappingisaquestionmanybiologistsaretryingtoanswer.

Someday,thatanswermayshedsomelightonthemysteryofcryinginhumanbabies."Itmaypointresearchersintherightdirectiontofindthecausesofexcessivecrying,"saidJosephSoltis,abioacousticsexpertatDisney'sAnimalKingdominLakeBuenaVista,Florida.SoltispublishedanarticleontheevolutionofcryinginthecurrentissueofBehavioralandBrainSciences.

Younganimalsvaryinhowmuchtheycry,squawkorotherwisecommunicatewiththeirparents,andstudieswithmice,beetlesandmonkeysshowthatthisvariationispartlybasedongenes.Somelevelofcryinginhumans,ofcourse,isbasedongaspainsandmessydiapers.Butasforthegeneticcontribution,youmightexpectthatnaturalselectionwouldfavorgenesfornoisierchildren,sincetheywouldgetmoreattention.

Beforelong,however,thissortofdeceptionmayberuinous.Ifthesignalsofoffspringbecametotallyunreliable,parentswouldnolongerbenefitfrompayingattention.Someevolutionarybiologistshaveproposedthatnaturalselectionshouldthereforefavorso-calledhonestadvertisements.Somebiologistshavespeculatedthatthesehonestadvertisementsmaynotjusttellaparentwhichoffspringarehungry.Theymightalsoshowtheirparentthattheyarehealthyandvigorousandthereforeworthsomeextrainvestment.Thebabiesofmonkeyscryouttotheirmothersandtendtocryevenmorearoundthetimetheirmotherswean(斷奶)them.Themothers,inresponse,begintoignoremostoftheirbabies'distresscalls,sincemostturnouttobefalsealarms."Initially,mothersrespondanytimeaninfantcries,"saidDarioMaestripieri,aprimatologistattheUniversityofChicago."Butasthecriesincrease,theyrespondlessandless.Theybecomemoreskeptical.Soinfantsstartcryingless.Sotheygothroughthesecycles,adjustingtheirresponses."

KimBard,aprimatologistattheUniversityofPlymouthinEngland,hasspentmorethanadecadeobservingchimpanzeebabies."Chimpscancryforalongtimeifsomethingterribleishappeningtothem,butwhenyoupickthemup,theystop,"Bardsaid."I'veneverseenanychimpanzeesinthefirstthreemonthsoflifebeinconsolable."

Maestripieriandotherresearcherssaytheseevolutionaryforcesmayhavealsoshapedthecriesofhumanbabies."Allprimateinfantscry,"Maestripierisaid."It'saveryconservedbehavior.It'snotsomethinghumanshaveevolvedontheirown."

Whatcanbethemostprobabletitleofthispassage?

A.ParentsBotheredbyBabies'Cry

B.InfantsCryingforParents'Attention

C.CluesfromAnimalsonWhyBabiesCry

D.FalseCry

48.

Fromthepassage,itcanbeinferredthat______.

A.rewardsarehighlyeffectiveinAmerica

B.rewardsarenotmuchsought-afterinacademiccircles

C.rewardshavelonglosttheirappealinAmericansociety

D.Americansareaddictedtorewards

49.(56)

50.

Whatisthefunctionoftheneocortex?

51.

We'llbesurprisedtoseeothers______.

A.inanordinarymirror

B.inaTrueMirror

C.inperson

D.inphotographs

5