2015年6月英语四级考试真题仔细阅读PassageTwo原文及答案来源：文都教育2015年6月大学英语四级考试真题仔细阅读PassageTwo，与世界粮食减产有关。文都教育整理了该题目的参考答案，供大家参考。PassageTwoQuestions61to65arebasedonthefollowingpassage.Someoftheworld’smostsignificantproblemsneverhitheadlines.Oneexamplecomesfromagriculture.Foodriotsandhungermakenews.Butthetrendlyingbehindthesemattersisrarelytalkedabout.Thisisthedeclineinthegrowthinyieldsofsomeoftheworld’smajorcrops.AnewstudybytheUniversityofMinnesotaandMcGillUniversityinMontreallooksatwhere,andhowfar,thisdeclineisoccurring.Theauthorstakeavastnumberofdatapointsforthefourmostimportantcrops:rice,wheat,cornandsoyabeans(大豆).Theyfindthatonbetween24%and39%ofallharvestedareas,theimprovementinyieldsthattookplacebeforethe1980ssloweddowninthe1990sand2000s.Therearetwoworryingfeaturesoftheslowdown.Oneisthatithasbeenparticularlysharpintheworld’smostpopulous(人口多的)countries,IndiaandChina.Theirabilitytofeedthemselveshasbeenanimportantsourceofrelativestabilitybothwithinthecountriesandonworldfoodmarkets.Thatself-sufficiencycannotbetakenforgrantedifyieldscontinuetoslowdownorreverse.Second,yieldgrowthhasbeenlowerinwheatandricethanincornandsoybeans.Thisisproblematicbecausewheatandricearemoreimportantasfoods,accountingforaroundhalfofallcaloriesconsumed.Cornandsoyabeansaremoreimportantasfeedgrains.Theauthorsnotethat“wehavepreferentiallyfocusedourcropimprovementeffortsonfeedinganimalsandcarsratherthanoncropsthatfeedpeopleandarethebasisoffoodsecurityinmuchoftheworld.”Thereportqualifiesthemoreoptimisticfindingsofanothernewpaperwhichsuggeststhattheworldwillnothavetodigupalotmorelandforfarminginordertofeed9billionpeoplein2050,astheFoodandAgricultureOrganisationhasargued.Instead,itsays,thankstoslowingpopulationgrowth,landcurrentlyploughedupforcropsmightbeabletorevert(回返)toforestorwilderness.Thiscouldhappen.Thetroubleisthattheforecastassumescontinuedimprovementsinyields,whichmaynotactuallyhappen.注意：此部分试题请在答题卡2上作答。61.Whatdoestheauthortrytodrawattentionto?A)Foodriotsandhungerintheworld.B)Newsheadlinesintheleadingmedia.C)Thedeclineofthegrainyieldgrowth.D)Thefoodsupplyinpopulouscountries.62.WhydoestheauthormentionIndiaandChinainparticular?A)Theirself-sufficiencyisvitaltothestabilityofworldfoodmarkets.B)Theirfoodyieldshavebeguntodecreasesharplyinrecentyears.C)Theirbigpopulationsarecausingworldwideconcerns.D)Theirfoodself-sufficiencyhasbeentakenforgranted.63.Whatdoesthenewstudybythetwouniversitiessayaboutrecentcropimprovementefforts?A)Theyfailtoproducethesameremarkableresultsasbeforethe1980s.B)Theycontributealottotheimprovementofhumanfoodproduction.C)Theyplayamajorroleinguaranteeingthefoodsecurityoftheworld.D)Theyfocusmoreontheincreaseofanimalfeedthanhumanfoodgrains.64.WhatdoestheFoodandAgricultureOrganisationsayaboutworldfoodproductioninthecomingdecades?A)Thegrowingpopulationwillgreatlyincreasethepressureonworldfoodsupplies.B)Theoptimisticpredictionaboutfoodproductionshouldbeviewedwithcaution.C)Theslowdownofthegrowthinyieldsofmajorfoodcropswillbereversed.D)Theworldwillbeabletofeeditspopulationwithoutincreasingfarmland.65.HowdoestheauthorviewtheargumentoftheFoodandAgricultureOrganisation?A)Itisbuiltonthefindingsofanewstudy.B)Itisbasedonadoubtfulassumption.C)Itisbackedbystrongevidence.D)Itisopentofurtherdiscussion.考试采取“多题多卷”模式，试题顺序不统一，请依据试题进行核对。61.C)Thedeclineofthegrainyieldgrowth.62.A)Theirself-sufficiencyisvitaltothestabilityofworldfoodmarkets.63.D)Theyfocusmoreontheincreaseofanimalfeedthanhumanfoodgrains.64.D)Theworldwillbeabletofeeditspopulationwithoutincreasingfarmland.65.B)Itisbasedonadoubtfulassumption.