英語(yǔ)閱讀段落匹配四級(jí)真題及答案

英語(yǔ)閱讀段落匹配四級(jí)真題及答案

在平平淡淡的日常中，許多人都接觸過(guò)一些比較經(jīng)典的段落吧，

段落是文章中最基本的單位。內(nèi)容上它具有一個(gè)相對(duì)完整的意思；在

文章中，段具有換行的標(biāo)。你知道什么樣的段落才能算得上是好的段

落嗎？以下是店鋪精心整理的英語(yǔ)閱讀段落匹配四級(jí)真題及答案，希

望對(duì)大家有所幫助。

英語(yǔ)閱讀段落匹配四級(jí)真題及答案篇1

SectionB

Directions:Inthissection,youaregoingtoreadapassage

withtenstatementsattachedtoit.Eachstatementcontains

informationgiveninoneoftheparagraphs.Identifythe

paragraphfromwhichtheinformationisderived.Youmay

chooseaparagraphmorethanonce.Eachparagraphismarked

withaletter.Answerthequestionsbymarkingthecorresponding

letteronAnswerSheet2.

ResilienceIsAboutHowYouRecharge,NotHowYouEndure

[A]Asconstanttravelersandparentsofa2-year-old,we

sometimesfantasizeabouthowmuchworkwecandowhenone

ofusgetsonaplane,undistractedbyphones,friends,ormovies.

Weracetogetallourgroundworkdone:packing,goingthrough

security,doingalast-minuteworkcall,callingeachother,then

boardingtheplane.Then,whenwetrytohavethatamazingwork

sessioninflight,wegetnothingdone.Evenworse,a代er

refreshingouremailorreadingthesamestudiesoverandover,

wearetooexhaustedwhenwelandtosoldieronwith（繼續(xù)處理）

theemailsthathaveinevitablystillpiledup.

[B]Whyshouldflyingdepleteus?Wezrejustsittingthere

doingnothing.Whycan'twebetougher,moreresilient（有復(fù)原

力的）anddeterminedinourworksowecanaccomplishallofthe

goalswesetforourselves?Basedonourcurrentresearch,we

havecometorealizethattheproblemisnotourhecticschedule

ortheplanetravelitself;theproblemcomesfroma

misconceptionofwhatitmeanstoberesilient,andtheresulting

impactofoverworking.

[C]Weoftentakeamilitaristic,“tough“approachto

resilienceanddeterminationlikeaMarinepullinghimself

throughthemud,aboxergoingonemoreround,orafootball

playerpickinghimselfupoffthegroundforonemoreplay.We

believethatthelongerwetoughitout,thetougherweare,and

thereforethemoresuccessfulwewillbe.However,thisentire

conceptionisscientificallyinaccurate.

[D]Theverylackofarecoveryperiodisdramaticallyholding

backourcollectiveabilitytoberesilientandsuccessful.Research

hasfoundthatthereisadirectcorrelationbetweenlackof

recoveryandincreasedincidenceofhealthandsafetyproblems.

Andlackofrecovery—whetherbydisruptingsleepwiththoughts

ofworkorhavingcontinuouscognitivearousalbywatchingour

phones—iscostingourcompanies$62billionayearinlost

productivity.

[E]Andjustbecauseworkstops,itdoesn'tmeanweare

recovering.We“stop"worksometimesat5pm,butthenwe

spendthenightwrestlingwithsolutionstoworkproblems,

talkingaboutourworkoverdinner,andfallingasleepthinking

abouthowmuchworkwe'IIdotomorrow.Inastudyjust

released,researchersfromNorwayfoundthat7.8%of

Norwegianshavebecomeworkaholics（工作狂）.Thescientistscite

adefinitionof“workaholism"as"beingoverlyconcerned

aboutwork,drivenbyanuncontrollableworkmotivation,and

investingsomuchtimeandeffortinworkthatitimpairsother

importantlifeareas/

[F]Webelievethatthenumberofpeoplewhofitthat

definitionincludesthemajorityofAmericanworkers,which

promptedustobeginastudyofworkaholismintheU.S.Our

studywillusealargecorporatedatasetfromamajormedical

companytoexaminehowtechnologyextendsourworkinghours

andthusinterfereswithnecessarycognitiverecovery,resulting

inhugehealthcarecostsandturnovercostsforemployers.

[G]Themisconceptionofresilienceisoftenbredfroman

earlyage.Parentstryingtoteachtheirchildrenresiliencemight

celebrateahighschoolstudentstayingupuntil3amtofinisha

sciencefairproject.Whatadistortionofresilience!Aresilient

childisawell-restedone.Whenanexhaustedstudentgoesto

school,heriskshurtingeveryoneontheroadwithhisimpaired

driving;hedoesnzthavethecognitiveresourcestodowellon

hisEnglishtest;hehaslowerself-controlwithhisfriends;andat

home,heismoodywithhisparents.Overworkandexhaustion

aretheoppositeofresilienceandthebadhabitsweacquirewhen

we'reyoungonlymagnifywhenwehittheworkforce.

[H]AsJimLoehrandTonySchwartzhavewritten,ifyouhave

toomuchtimeintheperformancezone,youneedmoretimein

therecoveryzone,otherwiseyouriskburnout.Gatheringyour

resourcesto“tryhard“requiresburningenergyinorderto

overcomeyourcurrentlylowarousallevel.Italsoworsens

exhaustion.Thusthemoreimbalancedwebecomedueto

overworking,themorevaluethereisinactivitiesthatallowusto

returntoastateofbalance.Thevalueofarecoveryperiodrises

inproportiontotheamountofworkrequiredofus.

[I]Sohowdowerecoverandbuildresilience?Mostpeople

yourphoneeachday.YoucanalsouseappslikeOfftimeor

Unpluggedtocreatetechfreezonesbystrategicallyscheduling

automaticairplanemodes.Theaveragepersonturnsontheir

phone150timeseveryday.Ifeverydistractiontookonly1

minute,thatwouldaccountfor2.5hoursaday.

[L]Inaddition,youcantakeacognitivebreakevery90

minutestochargeyourbatteries.Trytonothavelunchatyour

desk,butinsteadspendtimeoutsideorwithyourfriends一not

talkingaboutwork.Takeallofyourpaidtimeoff,whichnotonly

givesyourecoveryperiods,butraisesyourproductivityand

likelihoodofpromotion.

[M]Asforus,we'vestartedusingourplanetimeasawork-

freezone,andthustimetodipintotherecoveryphase.The

resultshavebeenfantastic.Weareusuallytiredalreadybythe

timewegetonaplane,andthecrowdedspaceandunstable

internetconnectionmakeworkmorechallenging.Now,instead

ofswimmingupstream,werelax,sleep,watchmovies,orlistento

music.Andwhenwegetofftheplane,insteadofbeingdepleted,

wefeelrecoveredandreadytoreturntotheperformancezone.

36.Ithasbeenfoundthatinadequaterecoveryoftenleads

topoorhealthandaccidents.

37.Mentalrelaxationismuchneeded,justasphysical

relaxationis.

38.Adequaterestnotonlyhelpsonerecover;butalso

increasesone'sv/orkefficiency.

39.Theauthoralwayshasahectictimebeforetakingaflight.

40.Recoverymaynottakeplaceevenifoneseemstohave

stoppedworking.

41.Itisadvisedthattechnologybeusedtopreventpeople

fromoverworking.

42.Contrarytopopularbelief；restdoesnotequalrecovery.

43.Theauthorhascometoseethathisproblemresultsfrom

amisunderstandingofthemeaningofresilience.

44.People'sdistortedviewaboutresiliencemayhave

developedfromtheirupbringing.

45.Peopletendtothinkthemoredeterminedtheyare,the

greatertheirsuccesswillbe.

答案：題干中替換原文段中的

36.DoinadequaterecoveryD

lackofarecovery0

答案：題干中

37.Jorelaxationismuchneeded,justas

physicalrelaxationis替換原文J段中第二句的thementalor

physicalresourcesrequiredo

38.答案：L。題干中increasesone'sworkefficiency替換原文

L段最后一句中的raisesyourproductivity

答案:題干中

39.Aohasahectictimebeforetakingaflight.

替換原文A段第三句中的Then,whenwetrytohavethatamazing

worksessioninflighto

答案：題干中

40.EoRecoverymaynottakeplaceevenifone

seemstohavestoppedworking.替換原文E段第一句的Andjust

7

becauseworkstops,itdoesntmeanwearerecoveringo

答案:題干中

41.Ketechnologybeusedtopreventpeople

fromoverworking替換原文K段第二句中的byusingtechnology

tocontroloverworkingo

42.答案：I題干中restdoesnotequalrecovery替換原文I段

中最后一句That'sbecauserestandrecoveryarenotthesame

thingo

43.答案：B。題干中problemresultsfroma

misunderstanding替換原文B段最后一句中的theproblemcomes

fromamisconceptiono

44.答案:G題干中developedfromtheirupbringing替換原文

G段中第一句的oftenbredfromanearlyage

45.答案：C題干中Peopletendtothinkthemoredetermined

theyare,thegreatertheirsuccesswillbe.替換原文C段第二句中的

Webelievethatthelongerwetoughitout,thetougherweare,

andthereforethemoresuccessfulwewillbeo

英語(yǔ)閱讀段落匹配四級(jí)真題及答案篇2

Exerciseisoneofthefewfactorswithapositiveroleinlong-

termmaintenanceofbodyweight.Unfortunately,thatmessage

hasnotgottenthroughtotheaverageAmerican,whowould

rathertryswitchingto“l(fā)ight"beerandlow-caloriebreadthan

increasephysicalexertion.TheCentersforDiseaseControl,for

example,foundthatfewerthanone-fourthofoverweightadults

whoweretryingtoshedpoundssaidtheywerecombining

exercisewiththeirdiet.

Inrejectingexercise,somepeoplemaybediscouragedtoo

muchbycaloric-expenditurecharts:forexample,onewouldhave

tobrisklywalkthreemilesjusttoworkoffthe275caloriesinone

deliciousDanishpastry（小甜餅）.Evenexerciseprofessionals

concedehalfapointhere.nExercisebyitselfisaverytoughway

toloseweight；"saysYorkOnnen,programdirectorofthe

President'sCouncilonPhysicalFitnessandSports.

Still,exercise'ssupportingroleinweightreductionisvital.

AstudyattheBostonUniversityMedicalCenterofoverweight

policeofficersandotherpublicemployeesconfirmedthatthose

whodietedwithoutexerciseregainedalmostalltheiroldweight,

whilethosewhoworkedexerciseintotheirdailyroutine

maintainedtheirnewweight.

Ifyouhavebeensedentary（極少活動(dòng)的）anddecidetostart

walkingonemileaday,theaddedexercisecouldburnanextra

100caloriesdaily.Inayear'stime,assumingnoincreaseinfood

intake,youcouldlosetenpounds.Byincreasingthedistanceof

yourwalksgraduallyandmakingotherdietaryadjustments,you

mayloseevenmoreweight.

26.WhatissaidabouttheaverageAmericaninthepassage?

A)Theytendtoexaggeratethehealthfuleffectof

"light"beer.

B)Theyusuallyignoretheeffectofexerciseonlosingweight.

C)Theyprefer“l(fā)ight“beerandlow-caloriebreadtoother

drinksandfood.

D)Theyknowthefactorsthatplayapositiveroleinkeeping

downbodyweight.

27.Somepeopledislikeexercisebecause.

A)theythinkitisphysicallyexhausting

B)theyfindithardtoexercisewhileonadiet

C)theydon'tthinkitpossibletov/alk3mileseveryday

D)theyfindconsultingcaloric-expenditurecharts

troublesome

28.“Evenexerciseprofessionalsconcedehalfapoint

heren(Line3,Para.2)means"They”.

A)agreethatthecaloriesinasmallpieceofpastrycanbe

difficulttoworkoffbyexercise

B)partiallybelievedietplaysasupportingroleinweight

reduction

C)arenotfullyconvincedthatdietingcanhelpmaintain

one'snewweight

D)arenotsufficientlyinformedofthepositiveroleof

exerciseinlosingweight

29.WhatwasconfirmedbytheBostonUniversityMedical

Center'sstudy?

A)Controllingone'scalorieintakeismoreimportantthan

doingexercise.

B)Evenoccasionalexercisecanhelpreduceweight.

C)Weightreductionisimpossiblewithoutexercise.

D)Onecouldlosetenpoundsinayear'stimeifthere'sno

increaseinfoodintake.

3O.Whatistheauthor'spurposeinwritingthisarticle?

A)TojustifythestudyoftheBostonUniversityMedical

Center.

B)Tostresstheimportanceofmaintainingproperweight.

C)TosupportthestatementmadebyYorkOnnen.

D)Toshowthemosteffectivewaytoloseweight.

26.B

27.B

28.B

29.C

30.D

英語(yǔ)閱讀段落匹配四級(jí)真題及答案篇3

Readingcomprehension

Readthefollowingtwotexts.Answer?thequestionsbelow

eachtextby?choosingA.B.CorD.

RelationshipBanking

oneofthemoredissemblestrendsin?thefinancial-service

industryinrecent?timeshasbeentheadoptionofprograms?

designedtoencouragemorepersonalized?relationships

betweenaninstitution's?employeesanditsclients,particularly?

thosewhoaremajordepositors.The?expressionmost

commonlyusedto?describethetypeofprogramis?

Hrelationshipbanking/Agood?definitionisprovidedinthe

1985book?MarketingFinancialServices:

Inrelationshipbankingtheemphasis?isonestablishinga

long-term,?multiple-servicerelationship;on?satisfyingthe

totalityoftheclient1s?financialneed;onminimizingtheneed?

ordesireofclientstosplintertheir?financialbusinessamong

various?institutions.

Implicitwithinanydefinitionof?relationshipbankingis

recognitionthat?thefinancial-servicerequirementsof?one

individualorrelationshipgroup.A?successfulrelationship-

bankingprogram?is,therefore,independentindividualin?a

largepartonthedevelopmentofa?seriesoffinancial-service

npackage/?eachdesignedtomeettheneedsof?identifiably

homogeneousgroups.

Anotherdimensionofrelationship?bankingisthe

developmentofhighly?personalizedrelationshipsbetween?

employeeandclient.Inmostfinancial?institutionstodaythe

clientis?servicedbyanyemployeewhohappensto?befreeat

thetime,regardlessofthe?natureofthetransaction,

personalized?relationshipsarethereforedifficultto?establish.In

afullrelationship-bankingprogram,however,theclient?knows

thereisoneindividualwithinthe?institutionwhohasintimate

knowledge?oftheclient,srequirementsand?preferences

regardingcomplex?transactions,overtime,theclient?develops

ahighlevelofconfidencein?thisemployee.Inshort,a

personalized?relationshipevolvesbetweenclientand?

employee.

1.Withwhatsubjectisthepassage?mainlyconcerned?

A.thedeclineofthefinancial-serviceindustry

B.varietywithinfinancialservices

C.awaymakingmorepersonal

D.increasingeverydaybanking?transaction

2.Whichofthefollowingcanbe?inferredfromthepassage

about?relationshipbankingprograms?

A.theyhaverecentlybeen?discontinued

B.theyarealreadybeingused

C.theywillshortlyused

D.theywillbeusedinthedistant?future

3.Whatisthemeaningoftheword?”institutions“inthe

firstparagraph?

A.banksB.schools

C.hospitalsD.policestations

4.Accordingtothedefinitionof?relationshipbanking

quotedinthe?passage,oneofthemainaimsofthis?typeof

bankingistoencourageclients?to—.

A.consultwitheachother?concerningtheirfinances

B.keepalltheirbusinesswitha?singlebank

C.recognizetheirownbanking

D.keeptheirfinancialrequirement?toaminimum

5.Accordingtothepassage,whatis?anecessaryfirststepin

instituting?relationshipbanking?

A.resigningbankbuildings.

B.hiringcongenialstaffwhomake?clientswelcome.

C.recognizingtheneedsofgroups?andindividuals.

D.teachingbankemployeestobe?moreconfident.

解析：

l.C本文主要講述的是使銀行服務(wù)更加個(gè)性化的方法.文章的開(kāi)頭

就點(diǎn)明了主題。oneofthemoredissemblestrendsinthe?

financial-serviceindustryinrecent?timeshasbeentheadoption

ofprograms?designedtoencouragemorepersonalized?

relationshipsbetweenaninstitution*s?employeesandits

clients

2.B第一段提到了，由此可以推斷關(guān)系銀行這一項(xiàng)目已經(jīng)得到了采

用.

3.A指公共機(jī)構(gòu),在本文中指的是銀行

4.B第二段最后一句，Inrelationship?bankingtheemphasisis

on...minimizing?theneedordesireofclientsto?splintertheir

financialbusinessamong?variousinstitutions.

關(guān)系銀行的目的是把客戶(hù)分散資金到不同？銀行中的需求和期望降

到最低，使他們只在一個(gè)銀行進(jìn)行交易，只與一個(gè)銀行保持業(yè)務(wù)關(guān)系.

5.C第三段的最后一句，aseriesof?financial-service

°package/each?designedtomeettheneedsof?identifiably

homogeneousgroups.一個(gè)成功的關(guān)系銀行項(xiàng)目就是要有很多的系

列服務(wù)項(xiàng)目，不同的項(xiàng)目可以滿(mǎn)足不同人的需求,所以要?jiǎng)?chuàng)立關(guān)系銀行,

要做的第一件事就是充分認(rèn)識(shí)個(gè)人和群體的不同需求.

英語(yǔ)閱讀段落匹配四級(jí)真題及答案篇4

Thefuturepopulationwillbeolderthantoday,andthisin

turnwillchangethepatternsofsocialdemands.However,Mexico

willstillbefarfromthe"agingsocieties"thatwillmostlikely

prevail（占優(yōu)勢(shì)）intheindustrializedcountries.Inlessthan25

years,thecountrywillhavetoaddalmostasmuchinfrastructure

asithasalreadybuiltuptonow,simplytomaintainservicesand

productionatthecurrentlevels.Thiswillbeatremendous

challenge,althoughasimilaronewasfacedsuccessfullyinthe

recentpast,whenavailableinfrastructurewasdoubledintwo

decadesorso.Itisnowonderthatmuchhasbeensaidaboutthe

needtoreduceorpreferablyhaltMexico'spopulationcontrol

whichistakenforgrantedasbothgoodandnecessary.Ithasalso

gainedsupportersinthedevelopingworld,andMexicoisno

exception.Buttheargumentsaboutpopulationarecomplicated,

asthefollowingdiscussionillustrates.

EvenifMexico'spopulationreaches125millionbytheyear

2010,itspopulationdensityisstillsmallerthanthe1985

populationdensityofsome50countries.Byinternational

standardsMexicowillstillnotbeoverpopulatedbytheyear2010.

Ifwealthisgeneratedbypeople,themoreindividualsthereare,

thegreaterthewealththatpotentiallycouldbegenerated.Why

shouldMexicocontrolitspopulationatdensitylevelsbelow

thoseoftherichercountriesifmorepopulationrepresentsthe

possibilityofgeneratingmorewealth?

Ontheotherhand,itisoftenpointedoutthatonce

sustainability(支撐力)limitsarenearorarereached,thereare

decreasingproductivitygains(or,perhapsmoreaccurately,

increasingproductivelosses),andpeoplebecomeacostrather

thananasset.Ifweassumethattherearesustainabilitylimitsand

thatweareclosetoreachingtheselimitsataworldlevel,thenit

isappropriatetocheckpopulationgrov/th.

21.Accordingtothepassage,thepopulationargumentis

focusedon.

A.whethermorepeopleareapropertyoracost

B.whetherMexicoshouldcontrolitspopulationgrowthor

not

C.whetherthedensityofpopulationinMexicoislargeor

small

D.whatthestandardinternationalsustainabilitylimitis

22.WhichofthefollowingisTRUEaccordingtothefirst

paragraph?

A.Mexicohassteppedintoanagingsociety.

B.ItisnotnecessaryforMexicotocontrolitspopulation.

C.Mexicopopulationisyoungerthanthatofdeveloped

countries.

D.ItisnotnecessaryforMexicotodevelopitsinfrastructure.

23.By"infrastructure"(Para.2)theauthormeans.

A.buildings

B.thebasicframeworkofacountry,suchasschools,services；

etc.

C.socialdemands

D.servicesandproduction

24.Itmaybeinferredfromthe3rdparagraphthat.

A.itisn'tnecessaryforMexicotocontrolitspopulation

growth

B.populationislikelytogrowataslowerpacethaninthe

past

C.themorepeoplethereare,thegreaterthewealthpeople

couldgenerate

D.Mexicoshouldcontrolitspopulationgrowthbecauseshe

belongstothedevelopingcountries

25.Tocheckpopulationgrowthisnecessarywhen.

A.therearedecreasingproductivitygains

B.thereareincreasingproductivitylosses

C.weareclosetoreachingthesustainabilitylimitsataworld

level

D.peoplebecomeacost

口本?

21.B22.C23.B24.A25.C

英語(yǔ)閱讀段落匹配四級(jí)真題及答案篇5

Directions:Inthispart,youwillhave15minutestogoover

thepassagequicklyandanswerthequestionsonAnswerSheet

1.

Forquestions1-7.mark

Y(forYES)ifthestatementagreeswiththeinformationgiven

inthepassage;

N(forNO)ifthestatementcontradictstheinformationgiven

inthepassage;

NG(forNOTGIVEN)iftheinformationisnotgiveninthe

passage.

Forquestions8-10,completethesentenceswiththe

informationgiveninthepassage.

ACoolerPlanet

Scientistsarecookingupsolutionsbasedoncurrent

technologythattheysaytheycoulddramaticallyturndownthe

heatofglobalwarmingoverthenext50years.

Innovationssuchascheaperwindpower,gas-electrichybrid

andgascardsthatgeneratefundsforclimate-changeprojects

alreadyareavailable.Introducingthemacrossthenationcould

putadentinthegrowthofgreenhousegasesthatarewarming

theplanet,scientistssay.

Theconcentrationofcarbondioxide-apotentgreenhouse

gas—islikelytodoublebeforetheendofthecentury,theUnited

Statessays.Scientistssayfurtherwarmingisinevitableas

greenhousegasemissionsclimbbutthattheworseeffectscan

stillbeavoided.

"Thequestionnowisnot'whethertoadapt?'but'howto

adapt?"*saysa2004U.N.reportonclimatechange.

Thesolutions,saysexperts,mustcomefromactionby

politicians,businesspeople,scientistsandindividuals.Overthe

nextcentury,powercouldbederivedfromsourcesthatrelease

lesscarbondioxideintotheatmospheresuchasnuclearfusion,

hydrogenfuelcellsandmoreefficientcombustionengines(內(nèi)燃

機(jī)).

Scientists:Technologyalreadyexists

Technologyisacrucialcomponenttomeetingthechallenge

ofglobalwarming,sayclimateresearchersandpolicyexperts.

"Youneedtechnology;"saysElliotDiringer,international

strategiesdirectorwiththePewCenteronGlobalClimateChange.

"There'snoquestionaboutthat.Thequestionis,'Whatisthe

mostefficientwaytonotonlygeneratethetechnologybutgetit

deployed.,"

TheintergovernmentalPanelonClimateChange,aU.N.

bodyissuingregularassessmentsontheclimate,saysinnovation

hasadvancedfasterthanexpected.Itestimatestechnological

improvementscouldreducegreenhousegasemissionsbelow

2,000levelswithin20yearsandavertevenmoreriskylevelsof

suchconcentrations.

TheIPCChasestimatedthattechnologicalimprovements

couldsometimebetween2010and2020reducegreenhousegas

emissionstolevelsbelowthoseintheyear2000.

"Weneedtomoveasfastaswecan/Diringersays."The

longerwewaittotakeconcertedaction,thegreatertheimpact

willbe...themoreitwillcosttoachievethereduction."

Technologywiththegreatestpotentialtoreducegreenhouse

gasemissionsalreadyexists,saysPrincetonUniversityscientists

StephenPacalaandRobertSocolowina2004studypublishedin

thejournalScience.

Improvingefficiencyandconservationscouldreducebillions

oftonsinatmosphericemissionsofgreenhousegaseseachyear.

Improvementssuchasefficientengineering,bettergas

mileage（英里里程）andnewfuelsourcesforvehicleandpower

plantshavethepotentialtohaltgrowthofemissionsbyaround

2050,accordingtothestudy.

"Itisimportantnottobecomedivertedbythepossibilityof

revolutionarytechnology,"thePrincetonauthorswriteinScience.

"Humanitycansolvethecarbonandclimateprobleminthefirst

halfofthiscenturysimplybyincreasingwealreadyknowhowto

do."

Thescientistspickedsevenactionsthattheysaycouldmake

theclimatestableby2054.Theyfocusedontechnologyalready

inplacethatsimplyneedstobeexpanded—alot.

Carsareaneasytarget.Eachgallon（力口侖）ofgasburned

givesoffabout20poundsofcarbondioxideintotheatmosphere,

accordingtotheEnvironmentalProtectionAgency.That'salotof

carbonforthe2billioncarsthatmaybeontheroadin2054,

nearlyfourtimesthenumbertoday,theauthorsreport.

TheSciencearticlesuggeststhatdoublingtheaveragefuel

efficiencyofcarsfrom30milespergallontodayto60,switching

towind-generatedhydrogenfuelsorhalvingtheannualnumber

ofmilestraveledpercarto5,000couldreducecarbondioxide

emissions.Thesavingswouldprovideone-seventhofthetotal

cutsneededtomakeU.S.emissionsstable,thearticlestates.

Inaddition,scientistsarewatchingplentyofother

technologiesbeingdevelopedtomakeemissionsstable.

Carbonstorage

Buryingcarbondioxideallowsfossilfuelcompaniesto

continuepumpingoilwhilereducinggreenhouseemissions.The

UnitedNationsestimatesby2050itshouldbepossibletostore

halfoftheincreasingglobalemissionsinundergroundreservoirs

（水庫(kù)）atreasonableprices.

TheU.S.governmentalreadyhasstartedatestprojectata

WestVirginiacoalpowerplant.TheenergycompanyBPsends1

milliontonsofcarbondioxideeachyearbeneaththesandsof

SaharadesertatoneofitsfacilitiesinAlgeria.

Thesecarbon-reducingprojectssendmillionsoftonsof

carbondioxidegasintoundergroundgeologicformationssuch

asgasbedsnowfilledwithwater,naturalgasoroil.

Therisksofsuchtechniquesincludeleakageofcarbon

dioxidefromundergroundreservoirsthatmayendangerhuman

lifeandenvironment.Scientistsarestudyingtechniquestofind

whichrockformationspermanentlystoregasessuchascarbon

dioxide.

Renewableenergy

Renewablepowerisamajorfacetofreducingglobal

warmingemissions,accordingtotheUnitedNations.

Becausemostrenewableenergysources—wind,oceantides,

solar,biomassfuel—emitlesscarbondioxideintotheatmosphere

thantheyabsorb,theydonotaddtoclimatechange.Theshare

ofrenewableintheworldenergysupplyaccountsforatleast14

percentofthetotal,theUnitedNationsestimates.

Thepriceoftheserenewablefuelsandtechnologyis

plummetingasdemandgrowsandhardwareimproves."Green"

tariffs,alreadyintroducedinsomeEuropeancountries,

guaranteepremiumpricesforenergyderivedfromrenewable

sources.

StatessuchasNewYorkandCaliforniaalsorequireutilities

togenerateafractionoftheirenergysupplyfromrenewable.

Tradingcarbon

Carbonemissionstradingisdesignedtomakeglobal

warmingpreventionaffordable,accordingtotheUN.

ConventiononClimateChange.

UndertheKyotoAgreement,participatingcountriesagreeto

emitacertainamountofcarbon.Ifacountrycannotaffordto

meetitscarbonemissionslimit,itcanbuy"credits"froma

countrythathasproducedlessthanitsallottedamount.

Althoughcriticssaytherearesignificantproblemsunderthe

Kyotosystem,theUnitedNationssaysemissionstradingallows

countriesgraduallytoeliminatecarbondioxidewhilepreventing

someeconomichardshipsofreducingemissionsgrowth.

Corporateaction

Companiesalsoan:devisingwaysforbusinessand

individualstooffsetgreenhouseemissions.Oregon-based

ClimateNeutralNetworksaysitsoonwillofferairtravelersaccess

to"CoolClass"airtravelinwhichaportionofairlinefares,

negotiatedthroughcontractswithdifferentcompanies,are

investedinwaystoreducegreenhouseemissions.

1.Scientistshavefoundvariouskindsofmethodstosolve

theproblemofglobalwarming.

2.Wearenotabletopreventthebadeffectsofthegloba