大学英语六级阅读理全真模拟题 (一)

大学英语六级阅读理全真模拟题汇总

卷面总分：100分答题时间：60分钟试卷题量:10题练习次数0?>

次

一、问答题（共10题，共100分）

1.

Mostofusaretaughttopayattentiontowhatissaid—thewords.Words

doprovideuswithsomeinformation,butmeaningsarederivedfromso

manyothersourcesthatitwouldhinderoureffectivenessasapartnerto

arelationshiptorelytooheavilyonwordsalone.Wordsareusedto

describeonlyasmallpartofthemanyideasweassociatewithanygiven

message.Sometimeswecangaininsightintosomeofthoseassociations

ifwelistenformorethanv/ords.Wedon/talwayssaywhatwemeanor

meanwhatwesay.Sometimesourwordsdonztmeananythingexcept

"fmlettingoffsomesteam.Idon'treallywantyoutopayclose

attentiontowhatrmsaying.JustpayattentiontowhatVmfeeling//

Mostlywemeanseveralthingsatonce.Apersonwantingtopurchasea

housesaystothecurrentowner,“ThisstephastobefixedbeforerII

buy."Theownersays,"It'sbeenlikethatforyears."Actually,thestep

hasn*tbeenlikethatforyears,buttheunspokenmessageis:"Idon*

twanttofixitWeputupwithit.Whycan*tyou?”Thesearchforamore

expansiveviewofmeaningcanbedevelopedofexaminingamessagein

termsofwhosaidit,whenitoccurred,therelatedconditionsorsituation,

andhowitwassaid.

Whenamessageoccurscanalsorevealassociatedmeaning.Letus

assumetwocouplesdoexactlythesameamountofkissingandarguing.

Butonecouplealwayskissesafteranargumentandtheothercouple

alwaysarguesafterakiss.Theorderingofthebehaviorsmaymeana

greatdealmorethanthefrequencyofthebehavior.Afriend'sunusually

docilebehaviormayonlybeunderstoodbynotingthatitwaspreceded

bysituationsthatrequiredanabnormalamountofassertiveness.Some

responsesmaybedirectlylinkedtoadevelopingpatternofresponses

anddefylogic.Forexample,apersonwhosays"No!"toaserialsof

chargeslike"You'redumb,""You'relazy,"and"You'redishonest,”

mayalsosay"No!"andtrytojustifyhisorherresponse讦thenext

statementis“Andyou'regoodlooking//

Wewoulddowelltolistenforhowmessagesarepresented.Thewords,

“Ifsurehasbeennicetohaveyouover,“canbesaidwithemphasisand

excitementorritualistically.Thephrasecanbesaidonceorrepeated

severaltimes.Andthemeaningsweassociatewiththephrasewill

changeaccordingly.Sometimesifwesaysomethinginfrequentlyit

assumesmoreimportance;sometimesthemorewesaysomethingthe

lessimportanceitassumes.

1.Effectivecommunicationisrenderedpossiblebetweentwoconversing

partners,if_.

A.theyuseproperwordstocarrytheirideas.

B.theybothspeaktrulyoftheirownfeelings.

C.theytrytounderstandeachother1sideasbeyondwords.

D.theyarecapableofassociatingmeaningwiththeirwords.

2."Ymlettingoffsomesteam“inparagraph1means_.

A.rmjustcallingyourattention.

BTmjustkidding.

CTmjustsayingtheopposite.

DTmjustgivingoffsomesound.

3.Thehouse-owner,sexampleshowsthatheactuallymeans_.

A.thestephasbeenlikethatforyears.

B.hedoesn'tthinkitnecessarytofixthestep.

C.theconditionofthestepisonlyaminorfault

D.thecostinvolvedinthefixingshouldbeshared.

4.Someresponsesandbehaviorsmayappearveryillogical,butare

justifiableif_.

A.linkedtoanabnormalamountofassertiveness.

B.seenasone'shabitualpatternofbehavior.

C.takenaspartofanorderingsequence.

□.expressedtoaseriesofcharges.

5.Theword/,ritualistically/,inthelastparagraphequalssomething

done_.

A.withouttrueintention.

B.light-heartedly.

C.inawayofceremony.

D.withlessemphasis.

正确答案：

DBABC

您的答案：

2.

Recentresearchhasclaimedthatanexcessofpositiveionsintheaircan

haveanilleffectonpeople*sphysicalorpsychologicalhealth.Whatare

positiveions?Well,theairisfullofions,electricallychargedparticles,

andgenerallythereisaroughbalancebetweenthepositiveandthe

negativecharged.Butsometimesthisbalancebecomesdisturbedanda

largerproportionofpositiveionsarefound.Thishappensnaturally

beforethunderstorm,earthquakeswhenwindssuchastheMistral,

HamsinorSharavareblowingincertaincountries.Oritcanbecausedby

abuild-upofstaticelectricityindoorsfromcarpetsorclothingmadeof

man-madefibres,orfromTVsets,duplicatorsorcomputerdisplay

screens.

Whenalargenumberofpositiveionsarepresentintheairmanypeople

experienceunpleasanteffectssuchasheadaches,fatigue,irritability,and

somesensitivepeoplesuffernauseaorevenmentaldisturbance.

Animalsarealsoaffected,particularlybeforeearthquakes,snakeshave

beenobservedtocomeoutofhibernation,ratstofleefromtheir

burrows,dogshowlandcatsjumpaboutunaccountably.Thishasledthe

USGeographicalSurveytofundanetworkofvolunteerstowatch

animalsinanefforttoforeseesuchdisastersbeforetheyhitvulnerable

areassuchasCalifornia.

Conversely,whenlargenumbersofnegativeionsarepresent,then

peoplehaveafeelingofwell-being.Naturalconditionsthatproduce

theselargeamountsarenearthesea,closetowaterfallsorfountains,or

inanyplacewherewaterissprayed,orformsaspray.Thisprobably

accountsforthebeneficialeffectofaholidaybythesea,orinthe

mountainswithtumblingstreamsorwaterfalls.

Toincreasethesupplyofnegativeionsindoors,somescientists

recommendtheuseofionisers:smallportablemachines,whichgenerate

negativeions.Theyclaimthationisersnotonlycleanandrefreshtheair

butalsoimprovethehealthofpeoplesensitivetoexcesspositiveions.

Ofcourse,therearethedetractors,otherscientists,whodismisssuch

claimsandareskepticalaboutnegative/positiveionresearch.Therefore

peoplecanonlymakeuptheirownmindsbyobservingtheeffectson

themselves,oronothers,ofanegativerichorpoorenvironment.After

allitisdebatablewhetherdependingonseismicreadingstoanticipate

earthquakesismoreeffectivethanwatchingthecat.

l.Whateffectdoesexceedingpositiveionizationhaveonsomepeople?

A.Theythinktheyareinsane.

B.Theyfeelratherbad-temperedandshort-fussed.

C.Theybecomeviolentlysick.

D.Theyaretootiredtodoanything.

2.1naccordancewiththepassage,staticelectricitycanbecausedby—.

A.usinghome-madeelectricalgoods.

B.wearingclothesmadeofnaturalmaterials.

C.walkingonartificialfloorcoverings.

D.copyingTVprogramsonacomputer.

3.Ahighnegativeioncountislikelytobefound_.

A.nearapoundwithawaterpump.

B.closetoaslow-flowingriver.

C.highinsomebarrenmountains.

D.byarotatingwatersprinkler.

4.Whatkindofmachinecangeneratenegativeionsindoors?

A.Ionisers.

B.Air-conditioners.

C.Exhaust-fans

0.Vacuumpumps.

5.Somescientistsbelievethat—.

A.watchinganimalstoanticipateearthquakesismoreeffectivethan

dependingonseismography.

B.theunusualbehaviorofanimalscannotbetrusted.

C.neitherwatchingnorusingseismographsisreliable.

0.earthquake

正确答案：

BCDAA

您的答案：

3.

Onceitwaspossibletodefinemaleandfemaleroleseasilybythe

divisionoflabor.Menworkedoutsidethehomeandearnedtheincome

tosupporttheirfamilies,whilewomencookedthemealsandtookcare

ofthehomeandthechildren.Theseroleswerefirmlyfixedformost

people,andtherewasnotmuchopportunityforwomentoexchange

theirroles.Butbythemiddleofthiscentury,men1sandwomen1sroles

werebecominglessfirmlyfixed.

Inthe1950szeconomicandsocialsuccesswasthegoalofthetypical

American.Butinthe1960sanewforcedevelopedcalledthe

counterculture.Thepeopleinvolvedinthismovementdidnotvaluethe

middle-classAmericangoals.Thecounterculturepresentedmenand

womenwithnewrolechoices.Takingmoreinterestinchildcare,men

begantosharechild-raisingtaskswiththeirwives.Infact,someyoung

menandwomenmovedtocommunalhomesorfarmswherethe

economicandchildcareresponsibilitiesweresharedequallybyboth

sexes.Inaddition,manyAmericansdidnotvaluethetraditionalmale

roleofsoldier.Someyoungmenrefusedtobedraftedassoldiersto

fightinthewarinVietnam.

Intermsofnumbers,thecounterculturewasnotaverylargegroupof

people.ButitsinfluencespreadtomanypartsofAmericansociety.

Workingmenofallclassesbegantochangetheireconomicandsocial

patterns.Industrialworkersandbusinessexecutivesalikecutdownon

“overtime“worksothattheycouldspendmoreleisuretimewiththeir

families.Somedoctors,lawyers,andteachersturnedawayfromhigh

payingsituationstopracticetheirprofessionsinpoorerneighborhoods.

Inthe1970s,thefeministmovement,orwomen,sliberation,produced

additionaleconomicandsocialchanges.Womenofallagesandatall

levelsofsocietywereenteringtheworkforceingreaternumbers.Most

ofthemstilltooktraditionalwomen*sjobsaspublicschoolteaching,

nursing,andsecretarialwork.Butsomewomenbegantoenter

traditionallymaleoccupations:policework,banking,dentistry,and

constructionwork.Womenwereaskingforequalwork,andequal

opportunitiesforpromotion.

Todaytheexpertsgenerallyagreethatimportantchangesaretaking

placeintherolesofmenandwomen.Naturally,therearedifficultiesin

adjustingtothesetransformations.

l.WhichofthefollowingbestexpressthemainideaofParagraph1?

A.Womenusuallyworkedoutsidethehomeforwages.

B.Menandwomen'sroleswereeasilyexchangedinthepast

C.Men'srolesathomeweremorefirmlyfixedthanwomen,s.

D.Menandwomen'sroleswereusuallyquiteseparatedinthepast.

2.WhichsentencebestexpressesthemainideaofParagraph2?

A.Thefirstsentence.

B.Thesecondandthethirdsentences.

C.Thefourthsentence.

D.Thelastsentence.

3.1nthepassagetheauthorproposesthatthecounterculture_.

A.destroyedtheUnitedStates.

B.transformedsomeAmericanvalues.

C.wasnotimportantintheUnitedStates.

0.broughtpeoplemoreleisuretimewiththeirfamilies.

4.1tcouldbeinferredfromthepassagethat_.

A.menandwomenwillneversharethesamegoals.

B.somemenwillbewillingtoexchangetheirtraditionalmaleroles.

C.mostmenwillbehappytosharesomeofthehousehold

responsibilitieswiththeirv/ives.

D.moreAmericanhouseholdsareheadedbywomenthaneverbefore.

5.Thebesttitleforthepassagemaybe—.

A.ResultsofFeministMovements

B.NewinfluenceinAmericanLife

C.CountercultureandItsconsequence

0.TraditionalDivisionofMaleandFemaleRoles.

正确答案：

DCBCB

您的答案：

4.

IliveinthelandofDisney,Hollywoodandyear-roundsun.Youmay

thinkpeopleinsuchaglamorous,fun-filledplacearehappierthan

others.Ifso,youhavesomemistakenideasaboutthenatureof

happiness.

Manyintelligentpeoplestillequatehappinesswithfun.Thetruthisthat

funandhappinesshavelittleornothingincommon.Funiswhatwe

experienceduringanact.Happinessiswhatweexperienceafteranact.It

isadeeper,moreabidingemotion.

Goingtoanamusementparkorballgame,watchingamovieor

television,arefunactivitiesthathelpusrelax,temporarilyforgetour

problemsandmaybeevenlaugh.Buttheydonotbringhappiness,

becausetheirpositiveeffectsendwhenthefunends.

IhaveoftenthoughtthatifHollywoodstarshavearoletoplay,itisto

teachusthathappinesshasnothingtodowithfun.Theserich,beautiful

individualshaveconstantaccesstoglamorousparties,fancycars,

expensivehomes,everythingthatspells“happiness”.Butinmemoir

aftermemoir,celebritiesrevealtheunhappinesshiddenbeneathalltheir

fun:depression,alcoholism,drugaddiction,brokenmarriages,troubled

childrenandprofoundloneliness.

Askabachelorwhyheresistsmarriageeventhoughhefindsdatingto

belessandlesssatisfying.Ifhe'shonest,hewilltellyouthatheisafraid

ofmakingacommitment.Forcommitmentisinfactquitepainful.The

singlelifeisfilledwithfun,adventureandexcitement.Marriagehassuch

moments,buttheyarenotitsmostdistinguishingfeatures.

Similarly,couplesthatchoosenottohavechildrenaredecidinginfavor

ofpainlessfunoverpainfulhappiness.Theycandineoutevertheywant

andsleepaslateastheywant.Coupleswithinfantchildrenareluckyto

getawholenightssleeporathree-dayvacation.Idon'tknowany

parentwhowouldchoosethewordfuntodescriberaisingchildren.

Understandingandacceptingthattruehappinesshasnothingtodowith

funisoneofthemostliberatingrealizationswecanevercometo.It

liberatestime:nowwecandevotemorehourstoactivitiesthatcan

genuinelyincreaseourhappiness.Itliberatesmoney:buyingthatnew

carorthosefancyclothesthatwilldonothingtoincreaseourhappiness

nowseemspointless.Anditliberatesusfromenvy:wenowunderstand

thatallthoserichandglamorouspeopleweweresosurearehappy

becausetheyarealwayshavingsomuchfunactuallymaynotbehappy

atall.

l.Whichofthefollowingistrue?

A.Funcreateslong-lastingsatisfaction.

B.Funprovidesenjoymentwhilepainleadstohappiness.

C.Happinessisenduringwhereasfunisshort-lived.

D.Funthatislong-standingmayleadtohappiness.

2.Totheauthor,Hollywoodstarsallhaveanimportantroletoplaythatis

to

A.ritememoiraftermemoirabouttheirhappiness.

B.tellthepublicthathappinesshasnothingtodowithfun.

C.teachpeoplehowtoenjoytheirlives.

D.bringhappinesstothepublicinsteadofgoingtoglamorousparties.

3.1ntheauthor1sopinion,marriage_.

A.affordsgreaterfun.

B.leadstoraisingchildren.

C.indicatescommitment

D.endsinpain.

4.Coupleshavinginfantchildren_.

A.areluckysincetheycanhaveawholenight1ssleep.

B.findfunintuckingthemintobedatnight.

C.findmoretimetoplayandjokewiththem.

D.derivehappinessfromtheirendeavor.

5.1fonegetthemeaningofthetruesenseofhappiness,hewill_.

A.stopplayinggamesandjokingwithothers.

B.makethebestuseofhistimeincreasinghappiness.

C.giveafreehandtomoney.

D.keephimselfwithhisfamily.

正确答案：

CBCDB

您的答案：

5.

Wecanbeginourdiscussionof“populationasglobalissuewwithwhat

mostpersonsmeanwhentheydiscuss“thepopulationproblem”:too

manypeopleonearthandatoorapidincreaseinthenumberadded

eachyear.Thefactsarenotindispute,Itwasquiterighttoemploythe

analogythatlikeneddemographicgrowthto“along,thinpowderfuse

thatburnssteadilyandhaltinglyuntilitfinallyreachesthechargeand

explodes/*

Tounderstandthecurrentsituation,whichischaracterizedbyrapid

increasesinpopulation,itisnecessarytounderstandthehistoryof

populationtrends.Rapidgrowthisacomparativelyrecentphenomenon.

Lookingbackatthe8,000yearsofdemographichistory,wefindthat

populationshavebeenvirtuallystableorgrowingveryslightlyformost

ofhumanhistory.Formostofourancestors,lifewashard,oftennasty,

andveryshort.Therewashighfertilityinmostplaces,butthiswas

usuallybalancedbyhighmortality.Formostofhumanhistory,itwas

seldomthecasethatoneintenpersonswouldlivepastforty,while

infancyandchildhoodwereespeciallyriskyperiods.Often,societies

wereincleardangerofextinctionbecausedeathratescouldexceedtheir

birthrates.Thus,thepopulationproblemthroughoutmostofhistorywas

howtopreventextinctionofthehumanrace.

Thispatternisimportanttonotice.Notonlydoesitputthecurrent

problemsofdemographicgrowthintoahistoricalperspective,butit

suggeststhatthecauseofrapidincreaseinpopulationinrecentyearsis

notasuddenenthusiasmformorechildren,butanimprovementinthe

conditionsthattraditionallyhavecausedhighmortality.

Demographichistorycanbedividedintotwomajorperiods:atimeof

long,slowgrowthwhichextendedfromabout8,000BC.till

approximatelyAD.1650.Inthefirstperiodofsome9600years,the

populationincreasedfromsome8millionto500millionin1650.

Between1650andthepresent,thepopulationhasincreasedfrom500

milliontomorethan4billion.Anditisestimatedthatbytheyear2000

therewillbe6.2billionpeoplethroughouttheworld.Onewayto

appreciatethisdramaticdifferenceinsuchabstractnumbersistoreduce

thetimeframetosomethingthatismoremanageable.Between8000BC

and1650,anaverageofonly50,000personswasbeingaddedannually

totheworld'spopulationeachyear.Atpresent,thisnumberisadded

everysixhours.Theincreaseisabout80,000,000personsannually.

l.Whichofthefollowingdemographicgrowthpatternismostsuitable

forthelongthinpowderfuseanalogy?

A.Avirtuallystableorslightlydecreasingperiodandthenasudden

explosionofpopulation.

B.Aslowgrowthforalongtimeandthenaperiodofrapid,dramatic

increase.

C.Toomanypeopleonearthandafewrapidincreaseinthenumber

addedeachyear.

D.Alongperiodwhendeathratesexceedsbirthratesandthenashort

periodwithhigherfertilityandlowermortality.

2.Duringthefirstperiodofdemographichistory,societieswereoftenin

dangerofextinctionbecause_.

A.onlyoneintenpersonscouldlivepast40.

B.therewashighermortalitythanfertilityinmostplaces.

C.itwastoodangeroustohavebabiesduetothepoorconditions.

D.ourancestorshadlittleenthusiasmformorechildren.

3.Whichstatementistrueaboutpopulationincrease?

A.Theremightbeanincreaseof2.2billionpersonsfromnowtotheyear

2000.

B.About50,000babiesareborneverysixhoursatpresent

C.Between8000BCandthepresent,thepopulationincreaseisabout

80,000,000personseachyear.

D.Thepopulationincreasedfasterbetween8000BCand1650than

between1650andthepresent.

4.Theauthorofthepassageintendsto_.

A.warnpeopleagainstthepopulationexplosioninthenearfuture.

B.comparethedemographicgrowthpatterninthepastwiththatafter

1650.

C.findoutthecauseforrapidincreaseinpopulationinrecentyears.

0.presentusaclearandcompletepictureofthedemographicgrowth.

5.Theword“demographic“inthefirstparagraphmeans—.

A.statisticsofhuman.

B.surroundingsstudy.

C.accumulationofhuman.

0.developmentofhuman.

正确答案：

ABADA

您的答案：

6.

Letchildrenlearntojudgetheirownwork.Achildlearningtotalkdoes

notlearnbybeingcorrectedallthetime;ifcorrectedtoomuch,hewill

stoptalking.Henoticesathousandtimesadaythedifferencebetween

thelanguagesheusesandthelanguagethosearoundhimuse.Bitbybit,

hemakesthenecessarychangestomakehislanguagelikeotherpeople.

Inthesameway,whenchildrenlearntodoalltheotherthingstheylearn

todowithoutbeingtaught-towalk,run,climb,whistle,ridea

bicycle-comparethoseperformanceswiththoseofmoreskilledpeople,

andslowlymaketheneededchanges.Butinschoolwenevergiveachild

achancetofindouthisownmistakesforhimself,letalonecorrectthem.

Wedoitallforhim.Weactasifwethoughtthathewouldnevernoticea

mistakeunlessitwaspointedouttohim,orcorrectitunlesshewas

madeto.Soonhebecomesdependentontheteacher.Lethimdoit

himself.Lethimworkout,withthehelpofotherchildrenifhewantsit,

whatthiswordsays,whatansweristothatproblem,whetherthisisa

goodwayofsayingordoingthisornot.

Ifitisamatterofrightanswers,asitmaybeinmathematicsorscience,

givehimtheanswerbook.Lethimcorrecthisownpapers.Whyshould

weteacherswastetimeonsuchroutinework?Ourjobshouldbetohelp

thechildwhenhetellsusthathecan'tfindthewaytogettheright

answer.Let/sendthisnonsenseofgrades,exams,marks,Letusthrow

themallout,andletthechildrenlearnwhatalleducatedpersonsmust

somedaylearn,howtomeasuretheirownunderstanding,howtoknow

whattheyknowordonotknow.

Letthemgetonwiththisjobinthewaythatseemssensibletothem.

Withourhelpasschoolteachersiftheyaskforit.Theideathatthereisa

bodyofknowledgetobelearntatschoolandusedfortherestofone/s

lifeisnonsenseinaworldascomplicatedandrapidlychangingasours.

Anxiousparentsandteacherssay,“Butsupposetheyfailtolearn

somethingessentialtheywillneedtogetintheworld?"Don'tworry!If

itisessential,theywillgooutintotheworldandlearnit

l.Whatdoestheauthorthinkisthebestwayforchildrentolearnthings?

A.bycopyingwhatotherpeopledo.

B.bymakingmistakesandhavingthemcorrected.

C.bylisteningtoexplanationsfromskilledpeople.

D.byaskingagreatmanyquestions.

2.Whatdoestheauthorthinkteachersdowhichtheyshouldnotdo?

A.Theygivechildrencorrectanswers.

B.Theypointoutchildren*smistakestothem.

C.Theyallowchildrentomarktheirownwork.

D.Theyencouragechildrentomarktocopyfromoneanother.

3.Thepassagesuggeststhatlearningtospeakandlearningtoridea

bicycleare_.

A.notreallyimportantskills.

B.moreimportantthanotherskills.

C.basicallydifferentfromlearningadultskills.

0.basicallythesameaslearningotherskills.

4.Exams,grades,andmarksshouldbeabolishedbecausechildren/s

progressshouldonlybeestimatedby—.

A.educatedpersons.

B.thechildrenthemselves.

C.teachers.

0.parents.

5.Theauthorfearsthatchildrenwillgrowupintoadultswhilebeing_

A.tooindependentofothers.

B.toocriticalofthemselves.

C.incapabletothinkforthemselves.

D.incapabletousebasicskills.

正确答案：

ABDBC

您的答案：

7.

ThediscoveryoftheAntarcticnotonlyprovedoneofthemost

interestingofallgeographicaladventures,butcreatedwhatmightbe

called“theheroicageofAntarcticexploration”.Bytheirtremendous

heroism,mensuchasShakleton,Scott,andAmundsencausedanew

continenttoemergefromtheshadows,andyetthatheroicage,little

morethanacenturyold,isalreadypassing.Modernscienceand

inventionsarerevolutionizingtheendurance,futurejourneysintothese

icywasteswillprobablydependonmotorvehiclesequippedwith

caterpillartractionratherthanonthedogsthatearlierdiscoverersfound

soinvaluableandhardlycomparable.

FewrealizethatthisAntarcticcontinentisalmostequalinsizetoSouth

America,andenormousfieldofworkawaitsgeographersand

prospectors.Thecoastsofthiscontinentremaintobeaccuratelycharted,

andthemapingofthewholeoftheinteriorpresentsaformidabletaskto

thecartographerswhoundertakethework.Oncetheirlaborsare

completed,itwillbepossibletoprospectthevastnaturalresources

whichscientistsbelievewillfurnishoneofthelargesttreasurehoardsof

metalsandmineralstheworldhasyetknown,andalmostinexhaustible

sourcesofcopper,coal,uranium,andmanyotheroreswillbecome

availabletoman.Suchdiscoverieswillusherinaneraofpractical

exploitationoftheAntarcticwastes.

Thepolardarknesswhichhidesthiscontinentforthesixwintermonths

willbedefeatedbyhugebatteriesoflight,andmakepossiblethe

establishingofair-fieldsforthefutureinter-continentalairservicesby

makingtheseareasaslightasday.Presentflyingrouteswillbe

completelychanged,fortheAntarcticrefuelingbaseswillmakeflights

fromAustraliatoSouthAmericacomparativelyeasyoverthe5,000miles

journey.

Theclimateisnotlikelytoofferaninsuperableproblem,fortheexplorer

AdmiralByrdhasshownthattheclimateispossibleevenformen

completelyuntrainedforexpeditionsintothosefrozenwastes.Someof

hispartiesweremenwhohadneverseensnowbefore,andyethe

recordsthattheysurvivedtherigorsoftheAntarcticclimatecomfortably,

sothat,providedthattheappropriateinstallationsaremade,wemay

assumethathumanbeingsfromallcountriescouldlivetheresafely.Byrd

evenaffirmsthatitisprobablythemosthealthyclimateintheworld,for

theintensecoldofthousandsofyearshassterilizethiscontinent,and

rendereditabsolutelygermfree,withtheconsequencesthatordinary

andextraordinarysicknessanddiseasesfromwhichmansuffersinother

zoneswithdifferentclimatesarehereutterlyunknown.Thereexistno

problemsofconservationandpreservationoffoodsupplies,forthe

latterkeepindefinitelywithoutanysignsofdeterioration;itmayevenbe

thatlatergenerationswillcometoregardtheAntarcticasthenatural

storehouseforthewholev/orld.

Plansarealreadyonfoottosetuppermanentbasesontheshoresofthis

continent,andwhatsofewyearsagowasregardedasa“deadcontinent”

nowpromisestobeamostactivecenterofhumanlifeandendeavor.

l.WhendidmanbegintoexploretheAntarctic?

A.AboutlOOyearsago.

B.Inthiscentury.

C.Atthebeginningofthe19thcentury.

D.In1798.

2.Whatmusttheexplorersbe,eventhoughtheyhavemodern

equipmentandtechniques?

A.Braveandtough

B.Stubbornandarrogant.

C.Well-likedandhumorous.

D.Stoutandsmart.

3.Themosthealthyclimateintheworldis_.

A.inSouthAmerica.

B.intheArcticRegion.

C.intheAntarcticContinent.

D.intheAtlanticOcean.

4.WhatkindofmetalsandmineralscanwefindintheAntarctic?

A.Magnetite,coalandores.

B.Copper,coalanduranium.

C.Silver,naturalgasanduranium.

0.Aluminum,copperandnaturalgas.

5.Whatisplannedforthecontinent?

A.Buildingdamsalongthecoasts.

B.Settingupseveralsummerresortsalongthecoasts.

C.Mappingthecoastandv/holeterritory.

0.Settinguppermanentbasesonthecoasts.

正确答案：

AACBD

您的答案：

8.

Withoutregularsuppliesofsomehormonesourcapacitytobehave

wouldbeseriouslyimpaired;withoutotherswewouldsoondie.Tiny

amountsofsomehormonescanmodifymoodsandactions,our

inclinationtoeatordrink,ouraggressivenessorsubmissiveness,andour

reproductiveandparentalbehavior.Andhormonesdomorethan

influenceadultbehavior;earlyinlifetheyhelptodeterminethe

developmentofbodilyformandmayevendetermineanindividuaPs

behavioralcapacities.Laterinlifethechangingoutputsofsome

endocrineglandsandthebody/schangingsensitivitytosome

hormonesareessentialaspectsofthephenomenaofaging.

Communicationwithinthebodyandtheconsequentintegrationof

behaviorwereconsideredtheexclusiveprovinceofthenervoussystem

uptothebeginningofthepresentcentury.Theemergenceof

endocrinologyasaseparatedisciplinecanprobablybetracedtothe

experimentsofBaylissandStarlingonthehormonesecretion.This

s