大学英语四级卷三部分真题暂缺听力.docx
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大学英语四级卷三部分真题暂缺听力
大学英语四级卷三部分真题2016年6月（暂缺听力）
（总分：
461.50，做题时间：
130分钟）
一、PartIWriting（30minutes）（总题数：
1，分数：
106.50）
1.Direction:
Forthispart,youareallowed30minutestowritealettertoexpressyourthankstoyourparentsoranyotherfamilymemberuponmakingamemorableachievement.Youshouldwriteatleast120wordsbutnomorethan180words.
（分数：
106.50）
__________________________________________________________________________________________
正确答案：
（Dearparents,Thisletteristotellyoumytruefeelingsfromthebottomofmyheart.Althoughwecankeepinvirtualtoucheveryday,IstillfeelitnotenoughtoletyouknowhowmuchIloveyouandhowmuchI’veappreciatedwhatyou’vedoneforme.Inthepast20years,youhavedonealotforme.Firstly,thankyousomuchforbringingmeup.Iknowhowhardyou'vebeingworkinginthepast.Icanimaginehowmanydifficultiesandobstaclesyou'veconquered.Second,Iwanttothankyouforyourgoodeducationonme.Thereisanoldsayinggoeslikethis“parentsarethefirstteacherstotheirchildren”.Bothofyouarethetypicalones.ThemostimportantthingthatIwanttosay“thankyou”isforyourgreatadmirationonmyownfreedom.Youtoldmetolookoverthehorizonsandtopursuitmyowndreamswithouthesitation.IreallyfeelthatmypenfailsmewhenIamwritingthisthankyouletter.TheonlythingIhopeyoucandoformeistotakegoodcareofyourselvesandyouwillbealwaysproudofme.YoursbelovedSon）
解析：
二、PartIIListeningComprehension（30minutes）（总题数：
1，分数：
0.00）
四、SectionB（总题数：
3，分数：
0.00）
五、SectionC（总题数：
1，分数：
0.00）
六、PartIIIReadingComprehension（40minutes）（总题数：
1，分数：
35.50）
Signsbarringcell-phoneuseareafamiliarsighttoanyonewhohaseversatinahospitalwaitingroom.Butthe_____（27）popularityofelectronicmedicalrecordshasforcedhospital-baseddoctorstobecome_____（28）oncomputersthroughouttheday,anddesktops-whichkeepdoctorsfrombesides-are_____（29）givingwaytowirelessdevices.Asclericalloadsincreased,"somethinghadto_____（30）,andthatwasalwaysfacetimewithpatients,"saysDr.BhaktiPatel,aformerchiefresidentintheUniversityofChicago'sinternal-medicineprogram.Infall2010,shehelped_____（31）apilotprojectinChicagotoseeiftheiPadcouldimproveworkingconditionsandpatientcare.Theexperimentwasso_____（32）thatallinternal-medicineprogramadoptedthesame_____（33）in2011.MedicalschoolsatYaleandStanfordnowhavepaperless,iPad-basedcurriculums."You'llwantaniPadjustsoyoucanwearthis"isthesloganforoneofthenewlabcoats_____（34）withlargepocketstoaccommodatetabletcomputers.AstudyoftheUniversityofChicagoiPadprojectfoundthatpatientsgottestsand_____（35）abetterunderstandingoftheillnessesthatlandedtheminthehospitalinthefirstplace.A.dependentB.designedC.fastD.flyingE.gainedF.giveG.growingH.launchI.policyJ.prospectK.ratherL.reliableM.signalN.successfulO.treatments（分数：
35.50）
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解析：
七、SectionB（总题数：
1，分数：
71.00）
CouldFoodShortagesBringDownCivilization?
[A]FormanyyearsIhavestudiedglobalagricultural,population,environmentalandeconomictrendsandtheirinteractions.Thecombinedeffectsofthosetrendsandthepoliticaltensionstheygeneratepointtothebreakdownofgovernmentsandsocieties.YetI,too,haveresistedtheideathatfoodshortagescouldbringdownnotonlyindividualgovernmentsbutalsoourglobalcivilization.[B]Icannolongerignorethatrisk.Ourcontinuingfailuretodealwiththeenvironmentaldeclinesthatareunderminingtheworldfoodeconomyforcesmetoconcludethatsuchacollapseispossible.[C]Asdemandforfoodrisesfasterthansuppliesaregrowing,theresultingfood-priceinflationputsseverestressonthegovernmentsofmanycountries.Unabletobuygrainorgrowtheirown,hungrypeopletaketothestreets.Indeed,evenbeforethesteepclimbingrainpricesin2008,thenumberoffailingstateswasexpanding.Ifthefoodsituationcontinuestoworsen,entirenationswillbreakdownataneverincreasingrate.Inthe20thcenturythemainthreattointernationalsecuritywassuperpowerconflict;todayitisfailingstates.[D]Statesfailwhennationalgovernmentscannolongerprovidepersonalsecurity,foodsecurityandbasicsocialservicessuchaseducationandhealthcare.Whengovernmentslosetheircontrolonpower,lawandorderbegintodisintegrate.Afterapoint,countriescanbecomesodangerousthatfoodreliefworkersarenolongersafeandtheirprogramsarehalted.Failingstatesareofinternationalconcernbecausetheyareasourceofterrorists,drugs,weaponsandrefugees（难民）,threateningpoliticalstabilityeverywhere.[E]Thesurgeinworldgrainpricesin2007and2008—andthethreattheyposetofoodsecurity——hasadifferent,moretroublingqualitythantheincreasesofthepast.Duringthesecondofthe20thcentury,grainpricesrosedramaticallyseveraltimes.In1972,forinstance,theSoviets.Irecognizingtheirpoorharvestearly,quietlycorneredtheworldwheatmarket.Asaresult,wheatpriceselsewheremorethandoubled,pullingriceandcompricesupwiththem.Butthisandotherpriceshockswereevent-driven——droughtintheSovietUnion,crop-shrinkingheatintheU.S.CornBelt.Andtheriseswereshort-lived:
pricestypicallyreturnedtonormalwiththenextharvest.[F]Incontrast,recentsurgeinworldgrainpricesistrend-driven,makingitunlikelytoreversewithoutareversalinthetrendsthemselves.Onthedemandside,thosetrendsincludetheongoingadditionofmorethan70millionpeopleayear,agrowingnumberofpeoplewantingtomoveupthefoodchaintoconsumehighlygrain-intensivemeatproducts,andthemassivediversion（转向）ofU.S.graintotheproductionofbio-fuel.[G]Asincomesriseamonglow-incomeconsumers,thepotentialforfurthergrainconsumptionishuge.Butthatpotentialpalesbesidethenever-endingdemandforcrop-basedfuels.Afourthofthisyear'sU.S.grainharvestwillgotofuelcars.[H]Whataboutsupply?
Thethreeenvironmentaltrends——theshortageoffreshwater,thelossoftopsoilandtherisingtemperatures——aremakingitincreasinglyhardtoexpandtheworld'sgrainsupplyfastenoughtokeepupwithdemand.Ofallthosetrends,however,thespreadofwatershortagesposesthemostimmediatethreat.Thebiggestchallengehereisirrigation,whichconsumes70%theworld'sfreshwater.Millionsofirrigationwellsinmanycountriesarenowpumpingwateroutofundergroundsourcesfasterthanrainfallcanrefillthem.Theresultisfallingwatertables（地下水位）incountrieswithhalftheworld'speople,includingthethreebiggrainproducers——China,IndiaandtheU.S.[I]Aswatertableshavefallenandirrigationwellshavegonedry,China'swheatcrop,theworld'slargest,hasdeclinedby8%sinceitpeakedat123milliontonsin1997.ButwatershortagesareevenmoreworryinginIndia.Millionsofirrigationwellshavesignificantlyloweredwatertablesinalmosteverystate.[J]Astheworld'sfoodsecurityfallstopieces,individualcountriesactingintheirownself-interestareactuallyworseningthetroublesofmany.Thetrendbeganin2007,whenleadingwheat-exportingcountriessuchasRussiaandArgentinalimitedorbannedtheirexports,inhopesofincreasinglocalfoodsuppliesandtherebybringingdowndomesticfoodprices.Vietnambanneditsexportsforseveralmonthsforthesamereason.Suchmovesmayeliminatethefearsofthoselivingintheexportingcountries,buttheyarecreatingpanicinimportingcountriesthatmustrelyonwhatisthenleftforexport.[K]Inresponsetothoserestrictions,grain-importingcountriesaretryingtonaildownlong-termtradeagreementsthatwouldlockupfuturegrainsupplies.Food-importanxietyisevenleadingtoneweffortsbyfood-importingcountriestobuyorleasefarmlandinothercountries.Inspiteofsuchtemporarymeasures,soaringfoodpricesandspreadinghungerinmanyothercountriesarebeginningtobreakdownthesocialorder.[L]Sincethecurrentworldfoodshortageistrend-driven,theenvironmentaltrendsthatcauseitmustbereversed.Wemustcutcarbonemissionsby80%fromtheir2006levelsby2020,stabilizetheworld'spopulationateightbillionby2040,completelyremovepoverty,andrestoreforestsandsoils.Thereisnothingnewaboutthefourobjectives.Indeed,wehavemadesubstantialprogressinsomepartsoftheworldonatleastoneofthese——thedistributionoffamily-planningservicesandtheassociatedshifttosmallerfamilies.[M]Formanyinthedevelopmentcommunity,thefourobjectiveswereseenaspositive,promotingdevelopmentaslongastheydidnotcosttoomuch.Otherssawthemaspoliticallycorrectandmorallyappropriate.Nowathirdandfarmoresignificantmotivationpresentsitself:
meetingthesegoalsmaynecessarytopreventthecollapseofourcivilization.Yetthecostweprojectforsavingcivilizationwouldamounttolesstha
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