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2022年大学英语考试真题卷七
(本卷共分为1大题50小题,作答时间为180分钟,总分100分,60分及格。)
单位:姓名:考号:
题号单选题多项选择判断题综合题总分
分值
得分
一、单项选择题(共50题,每题2分。每题的备选项中,只有一个最符合题意)
1.{{BJ1TEXTBH/B}}
AuthorEmmaHeathcote-JameshasspentnineyearsIookinginto
real-lifeghoststories,coIIectingtalesfromhundredsofpeopIewho
claimtohaveseenevidenceofanafterIife.The27-year-oldstartedher
researchatuniversityandherthesiswasturnedintoaBBCdocumentary
thatshere-wroteasherdebutbestse11erSeeingAngeIs.Thebookprompted
somanypeopIetowritetoherwiththeirghostIyexperiencesthatshe
usedthemforasecondbookAfterDeathCommunication,whichhasjust
beenreleasedinpaperback.
HernewbookTheyWalkAmongUsdescribess6anceswithmediumswho
cansummonsolidghostsoutofthinair.Whileworkingonthebookshe
invitedamediumtoherhomeintheCotswoldstodemonstrateaformof
ghostIycommunicationwherespiritstakeoverthebody.SheexpIained:
nThismediumcametomyhouse,satinmyfrontroom,andwentintoatrance.
Anoldman'sbodyjustappearedoverthetopofthemedium-heturned
intoanoldmanrightinfrontofme.IwasabsoIuteIyterrifiedatfirst
—hishandsbecamealIarthriticandrheumatoidandhisvoicewasold
andstaggered.TheIightsinmyoldcottageweregoingmad,goingupand
downbythemseIvesbuttheyhadneverdoneitbeforeorsince.”Emma
added:"TheoldmanspoketomyboyfriendPaulandaskedhimtotakethe
medium'spulse.Paulyanarmydoctor,fe11hiswristandsaid'Ithink
he'sdead'-buthewasn1t,hehadletthespirittakehimover.M
TheyWalkAmongUsteIIsstoriesofpeopIeIikeNickMcGlynn,whowas
reunitedwithhiswifeMarieduringaseance.Shespoketohimthrough
amediumhoursafterdyinginhospitalfrommultipleorganfailure.Nick
recalIsthemoment,haIfwaythroughthes6ance,whenheheardhiswife
forthefirsttime:"Afairlyweakvoicesaid,9Nick,Nick19mhome,
IJmhome’,inthespeciaIwayIusedtoannouncemyarrivaltoherwhen
Icamehome."Hesayshetoldherhewashappyforher,andthatshethanked
himforstayingwithherinhospitalandtoldhim:"Iwantyoutohave
aball.Gooutandhaveagoodtime.M
Emmasaystheseparanormalexperiencesare"asnaturalasthesunand
therain"andsincethebook'sreleaselastmonthshe'shadhundreds
morelettersfromreaders.Sheadds:"It'ssuchahugesubject,Ifeel
IikeIamonthetipofamassiveiceberg."Afterthefirstbookthere
weresomanylettersthatthesecondonewroteitself.M
OnemiraculoustaleretoldinAfterDeathCommunicationisthatof
DaveBarber,whobeIieveshisdeadgrandmothersavedhimfromdrowning.
Davedescribesthedayhealmostdiedswimmingwithhisson:HAsneither
mywifeorIcanswimwesatatthesideofthepool,watchingmyson
splashabout.IdecidedtoclimbintotheshaIIowsandjoininthefun.
AlmostimmediateIyrIsiippedrandfell."Ashelayatthebottomofthe
poolDavesawa"whitemistMattheend,whichgotcloseruntiIhesaw
hisdeadgrandmotheremergefromit."Herarmswereoutstretchedtowards
meandshewasdressedinawhitesiIkengown,Hhesays."Suddenly,I
wasawarethatmynine-year-oIdsonhaddivedintosaveme.Hewasbanging
myheadonthefloorofthepoolinanefforttoIiftme.Mygrandmother,
AmeIiafwasnowverycloseandIknewthatifIturnedtoher,Iwould
die.IIookedatmysonandknewheneededme.Immediately,thepain
returned,IfeltmyselfrisingthroughthewaterandIbIacked-out.
Itcanbeinferredfromthepassagethat.
A.ghostscancommunicatewithusthroughamedium
B.allthestoriesinherbooksarereal
C.Emmamadeupmostofthestoriesinherbooks
D.mostofthestoriesinhersecondbookarecollectedfromherreaders
whowroteherletters
2.WhydoesJohnwanttobuyabieyeIe
A.Toreplacehisstolenbicycle.
B.Tobeginbicyclingtowork.
C.Tojoinabicycleclub.
D.Totrainforabicyclerace.
3.{{I}}Questions4to7arebasedonthefollowingconversation.Atthe
endoftheconversation,youwiIIbegiven20secondstoanswerthe
questions.NowIistentotheconversation.{{/1})
Howwasthedistance-1earningcoursedifferentfromtraditionalcourses
A.Studentsarenotrequiredtoattendregularclasslectures.
B.Theprofessorvideotapesclasslecturesforreview.
C.Classesareheldatvariouslocationsthroughoutthearea.
D.Studentsreceivecreditforworkexperience.
4.WhatdoesLaurasuggestthatJohndo
A.Buyausedbicycle.
B.Buyaracingbicycle.
C.Replacethetiresonhisbicycle.
D.Sellhisoldbicycletotheshop.
5.{{1}}Questions4to7arebasedonthefollowingconversation.Atthe
endoftheconversation,youwiIIbegiven20secondstoanswerthe
questions.NowIistentotheconversation.{{/1}}
Whatdothespeakersagreeisthemajoradvantageofthedistance-1earning
course
A.Itallowsthemtomeetstudentsfromotheruniversities.
B.Itpromotestheconceptofself-learning.
C.Itallowsmoreflexibilityinstudentsschedule.
D.Itdoesn,trequireanyexaminations.
6.WhatdoesLaurasayismostimportantaboutabike
A.Itmustbetherightheight.
B.Itmusthaveseveralgears.
C.Itmusthavegoodtires.
D.Itmustbetherightweight.
7.{{I}}Questions4to7arebasedonthefollowingconversation.Atthe
endoftheconversation,youwiIIbegiven20secondstoanswerthe
questions.NowIistentotheconversation.{{/1}}
WhydidthewomandecidetoenrolIinthedistance-1earningcourse
A.It'sarequirementforpsychologymajors.
B.Shewasn'tabletogetintothetraditionalcourse.
C.Shelivesfarfromtheuniversity.
D.Shehastoworkalotofhoursthissemester.
8.{{1}}Questions4to7arebasedonthefollowingconversation.Atthe
endoftheconversation,youwillbegiven20secondstoanswerthe
questions.NowIistentotheconversation.{{/1}}
Whatdoesthemanthinkisadisadvantageofdistancelearning
A.Itrequirestoomuchtraveling.
B.Itlimitsinteractionamongstudents.
C.Itwillincreaseclasssize.
D.Itwillencouragestudentstowatchtoomuchtelevision.
9.{{I}}Questions8to10arebasedonthefollowingconversation.Atthe
endoftheconversation,youwiIIbegiven15secondstoanswerthe
questions.NowIistentotheconversation.{{/1}}
whatistheconversationmainlyabout
A.Theeffectsof.caffeine.
B.Somecausesofheadaches.
C.Howtodowellonexams.
D.Problemswiththestudentcafeteria.
10.Whatisthetalk'mainlyabout
A.Automobilesafety.
B.Increasingfuelefficiency.
C.California'spollutionlaws.
D.Electric-poweredcars.
11.{{I}}Questions14to17arebasedonthefollowingpassage.Atthe
endofthepassage,youwiIIbegiven20secondstoanswerthequestions.
NowIistentothepassage.{{/1}}
Whatisthemaintopicofthetalk
A.Jefferson'sviewsaboutcommercializedagriculture.
B.Internationaltradeinthenineteenthcentury.
C.ImprovementsinfarmmachineryintheUnitedStates.
D.FarmersJlossofindependence.
12.{{I}}Questions18to20arebasedonthefollowingpassage,Atthe
endofthepassage,youwiIIbegiven15secondstoanswerthequestions.
NowIistentothepassage.{{/1}}
Whatisthetalkmainlyabout
A.TheproblemscausedbytheRevolutionaryWar.
B.Howsomepeoplebecamerichinthelate1700's.
C.TheimportanceofprovidingforataxsystemintheConstitution.
D.MotivesforcreatingtheUnitedStatesConstitution.
13.{{I}}Questions8to10arebasedonthefollowingconversation.At
theendoftheconversation,youwiIIbegiven15secondstoanswerthe
questions.NowIistentotheconversation.{{/1}}
whatistheman'sproblem
A.Hehasaheadache.
B.Hefailedhishistoryexam.
C.Heistired.
D.Heistoobusy.
14.Whatisthemainadvantageofelectriccarsovergas-poweredcars
A.Theyarecheaper.
B.Theydonotpolluteasmuch.
C.Theyaresimplertodrive.
D.Theyarefaster.
15.{{IllQuestions18to20arebasedonthefollowingpassage,Atthe
endofthepassage,youwiIIbegiven15secondstoanswerthequestions.
NowIistentothepassage.{{/1}}
Accordingtotheeconomicview,whobenefitedthemostfromthenew
Constitution
A.Taxcollectors.
B.Thewealthy.
C.Soldiers.
D.Stateofficials.
16.{{I}}Questions14to17arebasedonthefollowingpassage.Atthe
endofthepassage,youwillbegiven20secondstoanswerthequestions.
NowIistentothepassage.{{/1}}
Accordingtotheprofessor,whatwasthemajorchangeintheagriculture
duringthe19thcentury
A.Cropproductionbecameincreasinglyspecialized.
B.Economicdepressionsloweredthepricesoffarmproducts.
C.Newbankinglawsmadeiteasytobuyfarmland.
D.TheUnitedStatesincreaseditsagriculturalimports.
17.Whatisthemaindrawbackoftheelectriccar
A.Itisnotcomfortable.
B.Itisdifficulttosteer.
C.Itcannotgolongdistanceswithoutrecharging.
D.Itsengineeasilyoverheats.
18.{{I}}Questions8to10arebasedonthefollowingconversation.At
theendoftheconversation,youwi11begiven15secondstoanswerthe
questions.NowIistentotheconversation.{{/1}}
whatdoesthewomanprobablythinkaboutcoffee
A.Ithelpspeopleworkefficiently.
B・It'smorerefreshingthansoda.
C.Itshouldbedrunkinmoderation.
D.Ithaslessflavorthantea.
19.{{I}}Questions18to20arebasedonthefollowingpassage,Atthe
endofthepassage,youwiIIbegiven15secondstoanswerthequestions.
NowIistentothepassage.{{/1}}
Whatcanbeinferredabouttheviewsofthehistorians
A.Theyarenotinfluencedbygovernmentpolicy.
B.Theyareopinionsthathavenobasisinfact.
C.Theyareaffectedbytheconditionsofthetimeinwhichtheyarewritten.
D.Theywouldbemoreaccurateifhistoriansfollowedoneideology.
20.{{I}}Questions24and25arebasedonthefollowingnews.Attheend
ofthenewsitem,youwiIIbegiven10secondstoanswerthequestions.
NowIistentothenews.{{/I}}
Whatistheaimoftheoil-for-foodprogram
A.TopunishSaddamHussein'sgovernment.
B.TolessenUNsanctionsagainstIraq.
C.Toincreasetheproductionofcrudeoil.
D.TomakemoremoneyfortheUnitedUnion.
21.Howmanydeadbodieshavebeenrecoveredaccordingtothereport
A.33
B.53
C.73
D.83
22.{{I}}Questions14to17arebasedonthefollowingpassage.Atthe
endofthepassage,youwillbegiven20secondstoanswerthequestions.
NowIistentothepassage.{{/1}}
Accordingtotheprofessor,whywasworIdmarketimportantfortheUnited
Statesagriculture
A.TheyprovidedevidencethatJefferson,sidealcouldbeachieved.
B.Theymadefarmerslessdependentonlocalbankers.
C.Theyaffectedthepricesthatfarmerscouldreceivefortheircrops.
D.Theydecreasedthepoweroftherailroadstocontrolfarmprices.
23.{{I}}Questions24and25arebasedonthefollowingnews.Attheend
ofthenewsitem,youwiIIbegiven10secondstoanswerthequestions.
NowIistentothenews.{{/I}}
Accordingtothenews,whichprobIemoftheUnitedNationisnotmentioned
inPaulVolcker'sreport
A.Illegalactions.
B.Immoralbehavior.
C.Corruption.
D.Hegemonicbehavior.
24.WhathasDr,JulieGerberdingaskedthepeopIeinthestrickenareas
todo
A.Toevacuatefromthescene.
B.Tostayathome.
C.Towaitfortherescueteams.
D.Torepairtheirhouses.
25.{{l}}Question26and27arebasedonthefollowingnews.Attheend
ofthenewsitem,youwi11begiven10secondstoanswerthequestion.
NowIistentothenews.{{/1}}
Accordingtothenews,Israeliapprovalofabordersecuritydealwith
Egyptwould.
A.endaconfrontationbetweenIsraelandEgypt
B.irritatethepeopleofIsrael
C.promoteacompleteIsraeliwithdrawalfromtheGazaStrip
D.causesuicidebombattacksinIsrael
26.{{I}}Question28isbasedonthefollowingnews.Attheendofthe
newsitem,youwi11begiven5secondstoanswerthequestion.NowIisten
tothenews.{{/I}}
A.ChineseproductsarebetterthanAmericanJs.
B.ChineseproductsarecheaperthanAmerican,s.
C.Chinadoesnotobeythespiritoffreetrade.
D.ChineseproductsaremorecompetitivethanAmerican's.
27.{{l}}Question29and30arebasedonthefollowingnews.Attheend
ofthenewsitem,youwi11begiven10secondstoanswerthequestion.
NowIistentothenews.{{/I}}
Accordingtothenewsthebusstationisamajortransitpointto.
A.thecastofthecapital
B.thesouthofthecapital
C.thewestofthecapital
D.thenorthofthecapital
28.Accordingtothedoctor,whatisthecurrenthazardbroughtthe
Hurricane
A.Badweather.
B.Extremecoldness.
C.Contaminatedwater.
D.Foodandclothing.
29.{{I}}Question26and27arebasedonthefollowingnews.Attheend
ofthenewsitem,youwi11begiven10secondstoanswerthequestion.
NowIistentothenews.{{/1}}
Afterthebomberattackedthestation,he.
A.killedhimself
B.escapedthearrest
C.wasnotnoticed
D.plannedtosetanotherbomb
30.{{I}}Question29and30arebasedonthefollowingnews.Attheend
ofthenewsitem,youwi11begiven10secondstoanswerthequestion.
NowIistentothenews.{{/1}}
ThethirdbombexpIodedwhen.
A.peoplegatheredatthestationwaitingforbuses
B.thepolicecame
C.ambulancessentthedeadandwoundedtothehospital
D.thecarbomberwentintothegarage
31.
{{B}}TEXTA{{/B}}
Thecaseforcollegehasbeenacceptedwithoutquestionformorethan
ageneration.AlIhighschoolgraduatesOughttogo,saysconventionaI
wisdomandstatisticalevidence,becausecoIIegewiIIhelpthemearnmore
money,become“better"people,andIearntobemoreresponsibIethanthose
whodon5tgo.
ButcoIIegehasneverbeenabletoworkitsmagicforeveryone.And
nowthatclosetohalfourhighschooIgraduatesareattending,those
whodontfitthepatternarebecomingmorenumerousandmoreobvious.
CoIIegegraduatesaresellingshoesanddrivingtaxis;coIIegestudents
interferewitheachother1sexperimentsandwritefalselettersof
recommendationintheintensecompetitionforadmissiontograduate
school.OthersfindnostimuIationintheirstudies,anddropoutoften
encouragedbyco11egeadministrators.
SomeobserverssaythefaultiswiththeyoungpeopIethemseIves-
theyarespoiledandexpectingtoomuch.Butthat'sacondemnationof
thestudentsasawhoIeanddoesn1texplainalIcampusunhappiness.Others
blamethestateoftheworld,andtheyarepartlyright.We'vebeentold
thatyoungpeopIehavetogotoco11egebecauseoureconomycan5tabsorb
anarmyofuntrainedeighteen-year-oIds.Butdisappointedgraduatesare
learningthatitcannolongerabsorbanarmyoftrainedtwenty-two-year
oldseither.
SomeadventuresomeeducatorsandcampuswatchershaveopenIybegun
tosuggestthatco11egemaynotbethebest,theproper,ortheonlyplace
foreveryyoungpersonafterthecompIetionofhighschooI.Wemayhave
beenIookingatalIthosesurveysandstatisticsupsidedownritseems,
andthroughtherosyglowofourownrememberedcollegeexperiences.
PerhapscoIIegedoesn,tmakepeopIeintelIigent,ambitious,happy,
Iiberal,orquicktolearnthings.Maybeit'sjusttheotherwayaround,
andinteIIigent,ambitious,happy;Iiberalvquick-1earningpeopleare
merelytheoneswhohavebeenattractedtoco11egeinthefirstplace.
AndperhapsalIthosesuccessfulco11egegraduateswouldhavebeen
successfulwhethertheyhadgonetocoIIegeornot.Thisisheresyto
thoseofuswhohavebeenbroughtuptobeIievethatifaIittIeschooIing
isgood,morehastobebetter.Butcontraryevidenceisbeginningto
mountup.
Accordingtothepassage,theauthorbeIievesthat.
A.peopleusedtoquestionthevalueofcollegeeducation
B.peopleusedtohavefullconfidenceinhighereducation
C.allhighschoolgraduateswenttocollege
D.veryfewhighschoolgraduateschosetogotocollege
32.{{B}}TEXTB{{/B}}
Educatorsareseriouslyconcernedaboutthehighrateofdropouts
betweenthedoctorofphilosophycandidatesandtheconsequentlossof
taIenttoanationinneedofPh.D.s.SomehavepIacedthedropouts
lossashighas50percent.Theextentofthelosswas,however,largely
amatterofexpertguessing.Lastweekawe11-roundedstudywaspubIished.
ItwaspubIished.Itwasbasedon22,000questionnairessenttoformer
graduatestudentswhowereenrolledin24universitiesanditseemedto
showmanypastfearstobegroundless.
Thedropout,sratewasfoundtobe31percent,andinmostcases
thedropouts,whilenotcompIetingthePh.D.requirement,wentonto
productivework.TheyarenotonIydoingweIIfinanciaIIy,but,according
tothereport,arenotfarbelowtheincomeIeveIsofthosewhowenton
tocompIetetheirdoctorates.
Discussingthestudylastweek,Dr.Tuckersaidtheprojectwas
initiatedbecauseoftheconcernfrequently1expressedbygraduate
facultiesandadministratorsthatsomeoftheindividuaIswhodropped
outofPh.D.programswerecapableofcompetingtherequirementforthe
degree.AttritionatthePh.D.levelisalsothoughttobeawasteof
preciousfacultytimeandadrainonuniversityresourcesalreadybeing
usedtocapacity.SomepeopIeexpressedtheopinionthattheShortage
ofhighlytrainedspecialistsandcollegeteacherscouldbereducedby
persuadingthedropoutstoreturntograduateschoolstocompIetethe
Ph.D.
"Theresultsofourresearch,MDr.Tuckerconcluded,"didnotsupport
theseopinions."
1.Lackofmotivationwastheprincipalreasonfordroppingout.
2.Mostdropoutswentasfarintheirdoctoralprogramaswas
consistentwiththeirIeveIsofabilityortheirspecialties.
3.Mostdropoutsarenowengagedinworkconsistentwiththeir
educationandmotivation.
Nearly75percentofthedropoutssaidtherewasnoacademicreason
fortheirdecision,butthosewhomentionedacademicreasoncitedfaiIure
topassthequaIifyingexamination,uncompIetedresearchandfailureto
passIanguageexams.Amongthesinglemostimportantpersonalreasons
identifiedbydropoutsfornon-compIetionoftheirPh.D.program,lack
offinanceswasmarkedby19percent.
AsanindicationofhowweIIthedropoutsweredoing,achartshowed
2%inhumanitieswerereceiving$20,000andmoreannuallywhiIenone
ofthePh.D.swiththatbackgroundreachedthisfigure.ThePh.D・'
sshoneinthe$7,500to$15,000bracketwith78%atthatlevelagainst
50%forthedropouts.Thismayalsobeanindicationofthefactthat
topsalariesintheacademicfields,wherePh.D.’stendtorisetothe
highestsalariesrarestilllaggingbehindotherfields.
AstothepossibiIityofgettingdropoutsbackoncampus,theoutIook
wasglum.ThemainconditionwhichwouldhavetoprevaiIforatleast
25%ofthedropoutswhomightconsiderreturningtograduateschooIwould
betoguaranteethattheywouldretaintheirpresentlevelofincomeand
insomecasestheirpresentjob.
TheauthorstatesthatmanyeducatorsfeeIthat.
A.stepsshouldbetakentogetthedropoutsbacktocampus
B.thedropoutsshouldreturntoalowerqualityschooltocontinuetheir
study
C.thePh.D.holderisgenerallyabetteradjustedpersonthanthedropout
D,thehighdropoutsrateislargelyattributabletothelackof
stimulationonthepartoffacultymembers
33.{(Bl}TEXTD{{/B}}
Crypticcoloringisbyfarthecommonestuseofcolorinthestruggle
forexistence.ItisempIoyedforthepurposeofattack(aggressive
resemblanceoranticrypticcoIoring)asweIIasofdefense(protective
resemblanceorprocrypticcoloring).Thefactthatthesamemethod
concealment,maybeusedbothforattackanddefensehasbeenweII
expIainedbyT.BeltwhosuggestsasaniIlustrationtherapidityof
movementwhichisalsomadeuseofbybothpursuerandpursued,which
issimilarlyraisedtoamaximuminbothbythegradualdyingoutofthe
slowestthroughaseriesofgenerations.CrypticcoloringiscommonIy
associatedwithotheraidsinthestruggleforIife.ThusweII-conceaIed
mammaIsandbirds,whendiscovered,willgenerallyendeavortoescape
byspeedandwiIIoftenattempttodefendthemselvesactively.Onthe
otherhand,smalIanimalswhichhavenomeansofactivedefense,such
aslarge,numbersofinsects,frequentlydependuponconcealmentaIone.
Protectiveresemblanceisfarcommoneramonganimalsthanaggressive
resemblance,incorrespondencewiththefactthatpredaceousformsare
asarulemuchlargerandmuchlessnumerousthantheirprey.Inthecase
ofinsectivorousVertebrataandtheirpreysuchdifferencesexistinan
exaggeratedform.Crypticcoloring,whetherusedfordefenseofattack,
maybeeithergeneralorspeciaI.Ingeneralresemblancetheanimal,in
consequenceofitscoloring,producesthesameeffectasitsenvironment,
buttheconditionsdonotrequireanyspecialadaptationofshapeand
outIine.Generalresemblanceisespeciallycommonamongtheanimal
inhabitingsomeuniformlycoloredexpanseoftheearth'ssurface,such
asanoceanoradesert.Intheformer,animalsofalIshapesare
frequentlyprotectedbytheirtransparentbluecolor,onthelatter,
equallydiverseformsaredefendedbytheirsandyappearance.Theeffect
ofauniformappearancemaybeproducedbyacombinationoftintsin
startIingcontrast.Thustheblackandwhitestripesofthezebrablend
togetherataIittIedistance,and“theirproportionissuchasexactIy
tomatchthepaletintwhicharidgroundpossesseswhenseenby
moonIight."SpeciaIresemblanceisfarcommonerthangeneralandisthe
formwhichisusuallymetwithonthediversifiedsurfaceoftheearth,
ontheshores,andinshaIIowwater,asweIIasonthefIoatingmasses
ofalgaeonthesurfaceoftheocean,suchastheSargassoSea.Inthese
environmentsthecrypticcoIoringofanimalsisusuaIlyaidedbyspeciaI
modificationsofshape,andbytheinstinetwhichleadsthemtoassume
particularattitudes.CompIetestiIInessandtheassumptionofacertain
attitudeplayanessentialpartingeneralresemblanceonland;butin
speciaIresembIancetheattitudeisoftenhighlyspecialized,andperhaps
moreimportantthananyothereIementinthecompIexmethodbywhich
concealmentiseffected.InspeciaIresemblancethecombinationof
coloring,shape,andattitudeissuchastoproduceamoreorlessexact
resemblancetosomeoneoftheobjectsintheenvironment,suchasaleaf
oftwig,apatchofIichen,aflakeofbark.InalIcasestheresemblance
istosomeobjectwhichisofnointeresttotheenemyorpreyrespectively.
Theanimalisnothiddenfromviewbybecomingindistinguishablefrom
itsbackgroundasinthecaseofgeneralresemblance,butitismistaken
forsomewe11-knownobject.
Inseekingtheinterpretationofthesemostinterestingandelaborate
adaptations,attemptshavebeenmadealongtwoIines.Thefirstseeks
toexplaintheeffectasaresultofthedirectinfIuenceofthe
environmentupontheindividual(G.L.L.Buffon),orbytheinherited
effectsofeffortsandtheuseanddisuseofparts(J.B.P.Lamarck).
ThesecondbeIievesthatnaturalseIectionproducedtheresultand
afterwardsmaintaineditbythesurvivalofthebestconceaIedineach
generation.Theformersuggestionbreaks
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