英语四级真题及详细解答.docx

英语四级真题及详细解答.docx

《英语四级真题及详细解答.docx》由会员分享，可在线阅读，更多相关《英语四级真题及详细解答.docx（25页珍藏版）》请在冰豆网上搜索。

英语四级真题及详细解答

2005年1月四级试题

PartIIReadingComprehension（35minutes）

Directions:

Thereare4readingpassagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA）,B）C）andD）.YoushoulddecideonthebestchoiceandmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.

PassageOne

Questions11to15arebasedonthefollowingpassage.

Scratchythroats,stuffynosesandbodyachesallspellmisery,butbeingabletotellifthecauseisacoldorflu（流感）maymakeadifferenceinhowlongthemiserylasts.

TheAmericanLungAssociation（ALA）hasissuednewguidelinesoncombatingcoldsandtheflu,andoneofthekeysisbeingabletoquicklytellthetwoapart.That'sbecausetheprescriptiondrugsavailableforthefluneedtobetakensoonaftertheillnesssetsin.Asforcolds,thesoonerapersonstartstakingover-the-counterremedy,thesoonerreliefwillcome.

Thecommoncoldandthefluarebothcausedbyviruses.Morethan200virusescancausecoldsymptoms,whilethefluiscausedbythreeviruses--fluA,BandC.Thereisnocureforeitherillness,buttheflucanbepreventedbythefluvaccine（疫苗）,whichis,formostpeople,thebestwaytofighttheflu,accordingtotheALA.

Butifthefludoesstrike,quickactioncanhelp.Althoughthefluandcommoncoldhavemanysimilarities,therearesomeobvioussignstolookfor.

Coldsymptomssuchasstuffynose,runnynoseandscratchythroattypicallydevelopgradually,andadultsandteensoftendonotgetafever.Ontheotherhand,feverisoneofthecharacteristicfeaturesofthefluforallages.Andingeneral,flusymptomsincludingfeverandchills,sorethroatandbodyachescomeonsuddenlyandaremoreseverethancoldsymptoms.

TheALAnotesthatitmaybeparticularlydifficulttotellwheninfantsandpreschoolagechildrenhavetheflu.Itadvisesparentstocallthedoctoriftheirsmallchildrenhaveflu-likesymptoms.

Bothcoldandflusymptomscanbeeasedwithover-the-countermedicationsaswell.However,childrenandteenswithacoldorflushouldnottakeaspirinforpainreliefbecauseoftheriskofReyesyndrome（综合症）,ararebutseriousconditionoftheliverandcentralnervoussystem.

Thereis,ofcourse,novaccineforthecommoncold.Butfrequenthandwashingandavoidingclosecontactwithpeoplewhohavecoldscanreducethelikelihoodofcatchingone.

11.Accordingtotheauthor,knowingthecauseofthemiserywillhelp____.

A）shortenthedurationoftheillness

B）thepatientbuysmedicineoverthecounter

C）thepatientobtaincheaperprescriptiondrugs

D）preventpeoplefromcatchingcoldsandtheflu

12.Welearnfromthepassagethat____.

A）onedoesn'tneedtotakeanymedicineifhehasacoldortheflu

B）aspirinshouldnotbeincludedinover-the-countermedicinesfortheflu

C）delayedtreatmentofthefluwillharmtheliverandcentralnervoussystem

D）over-the-counterdrugscanbetakentoeasethemiserycausedbyacoldortheflu

13.Accordingtothepassage,tocombattheflueffectively,_____.

A）oneshouldidentifytheviruswhichcausesit

B）oneshouldconsultadoctorassoonaspossible

C）oneshouldtakemedicineuponcatchingthedisease

D）oneshouldremainalertwhenthediseaseisspreading

14.Whichofthefollowingsymptomswilldistinguishtheflufromacold?

A）Astuffynose.

B）Ahightemperature.

C）Asorethroat.

D）Adrycough

15.Ifchildrenhaveflu-likesymptoms,theirparents_____.

A）areadvisednottogivethemaspirin

B）shouldwatchoutforsignsofReyesyndrome

C）areencouragedtotakethemtohospitalforvaccination

D）shouldpreventthemfrommixingwithpeoplerunningafever

PassageTwo

Questions16to20arebasedonthefollowingpassage.

InatimeoflowacademicachievementbychildrenintheUnitedStates,manyAmericansareturningtoJapan,acountryofhighacademicachievementandeconomicsuccess,forpossibleanswers.However,theanswersprovidedbyJapanesepreschoolsarenottheonesAmericansexpectedtofind.InmostJapanesepreschools,surprisinglylittleemphasisisputonacademicinstruction.Inoneinvestigation,300Japaneseand210Americanpreschoolteachers,childdevelopmentspecialists,andparentswereaskedaboutvariousaspectsofearlychildhoodeducation.Only2percentoftheJapaneserespondents（答问卷者）listed"togivechildrenagoodstartacademically"asoneoftheirtopthreereasonsforasocietytohavepreschools.Incontrast,overhalftheAmericanrespondentschose-thisasoneoftheirtopthreechoices.Topreparechildrenforsuccessfulcareersinfirstgradeandbeyond,Japaneseschoolsdonotteachreading,writing,andmathematics,butratherskillssuchaspersistence,concentration,andtheabilitytofunctionasamemberofagroup,ThevastmajorityofyoungJapanesechildrenaretaughttoreadathomebytheirparents.

IntherecentcomparisonofJapaneseandAmericanpreschooleducation,91percentofJapaneserespondentschoseprovidingchildrenwithagroupexperienceasoneoftheirtopthreereasonsforasocietytohavepreschools.Sixty-twopercentofthemoreindividuallyoriented（强调个性发展的）Americanslistedgroupexperienceasoneoftheirtopthreechoices.AnemphasisontheimportanceofthegroupseeninJapaneseearlychildhoodeducationcontinuesintoelementaryschooleducation.

LikeinAmerica,thereisdiversityinJapaneseearlychildhoodeducation.SomeJapanesekindergartenshavespecificaims,suchasearlymusicaltrainingorpotentialdevelopment.Inlargecities,somekindergartensareattachedtouniversitiesthathaveelementaryandsecondaryschools.SomeJapaneseparentsbelievethatiftheiryoungchildrenattendauniversity-basedprogram,itwillincreasethechildren'schancesofeventuallybeingadmittedtotop-ratedschoolsanduniversities.SeveralmoreprogressiveprogramshaveintroducedfreeplayasawayoutfortheheavyintellectualizinginsomeJapanesekindergartens.

16.WelearnfromthefirstparagraphthatmanyAmericansbelieve____.

A）JapaneseparentsaremoreinvolvedinpreschooleducationthanAmericanparents

B）Japan'seconomicsuccessisaresultofitsscientificachievements

C）Japanesepreschooleducationemphasizesacademicinstruction

D）Japan'shighereducationissuperiortotheirs

17.MostAmericanssurveyedbelievethatpreschoolsshould'alsoattachimportanceto_____.

A）problemsolvingB）groupexperience

C）parentalguidanceD）individually-orienteddevelopment

18.InJapan'spreschooleducation,thefocusison

A）preparingchildrenacademicallyB）developingchildren'sartisticinterests

C）tappingchildren'spotentialD）shapingchildren'scharacter

19.FreeplayhasbeenintroducedinsomeJapanesekindergartensinorderto______.

A）broadenchildren'shorizonB）cultivatechildren'screativity

C）lightenchildren'sstudyloadD）enrichchildren'sknowledge

20.WhydosomeJapaneseparentssendtheirchildrentouniversitybasedkindergartens?

A）Theycandobetterintheirfuturestudies.

B）Theycanaccumulatemoregroupexperiencethere.

C）Theycanbeindividuallyorientedwhentheygrowup.

D）Theycanhavebetterchancesofgettingafirst-rateeducation.

PassageThree

Questions21to25arebasedonthefollowingpassage.

Leaddeposits,whichaccumulatedinsoilandsnowduringthe1960'sand70's,wereprimarilytheresultofleadedgasolineemissionsoriginatingintheUnitedStates.InthetwentyyearsthattheCleanAirActhasmandatedunleadedgasuseintheUnitedStates,theleadaccumulationworldwidehasdecreasedsignificantly.

AstudypublishedrecentlyinthejournalNatureshowsthatair-borneleadedgasemissionsfromtheUnitedStatesweretheleadingcontributortothehighconcentrationofleadinthesnowinGreenland.ThenewstudyisaresultofthecontinuedresearchledbyDr.CharlesBoutron,anexpertontheimpactofheavymetalsontheenvironmentattheNationalCenterforScientificResearchinFrance.AstudybyDr.Boutronpublishedin1991showedthatleadlevelsinarctic（北极的）snowweredeclining.

Inhisnewstudy,Dr.BoutronfoundtheratiosofthedifferentformsofleadintheleadedgasolineusedintheUnitedStatesweredifferentfromtheratiosofEuropean,AsianandCanadiangasolinesandthusenabledscientiststodifferentiate（分区）theleadsources.ThedominantleadratiofoundinGreenlandsnowmatchedthatfoundingasolinefromtheUnitedStates.

InastudypublishedinthejournalAmbio,scientistsfoundthatleadlevelsinsoilintheNortheasternUnitedStateshaddecreasedmarkedlysincetheintroductionofunleadedgasoline.

Manyscientistshadbelievedthattheleadwouldstayinsoilandsnowforalongerperiod.

TheauthorsoftheAmbiostudyexaminedsamplesoftheupperlayersofsoiltakenfromthesamesitesof30forestfloorsinNewEngland,NewYorkandPennsylvaniain1980andin1990.Theforestenvironmentprocessedandredistributedtheleadfasterthanthescientistshadexpected.

Scientistssaybothstudiesdemonstratethatcertainpartsoftheecosystem（生态系统）respondrapidlytoreductionsinatmosphericpollution,butthatthesefindingsshouldnotbeusedasalicensetopollute.

21.ThestudypublishedinthejournalNatureindicatesthat______.

A）theCleanAirActhasnotproducedthedesiredresults

B）leaddepositsinarcticsnowareontheincrease

C）leadwillstayinsoilandsnowlongerthanexpected

D）theUSisthemajorsourceofleadpollutioninarcticsnow

22.LeadaccumulationworldwidedecreasedsignificantlyaftertheuseofunleadedgasintheUS

A）wasdiscouragedB）was