四级选词填空试题练习附答案解析

四级选词填空试题练习附答案解析英语四级考试改革后，选词填空是出现的新题型之一，成为不少考生在英语四级考试中失分严峻的题型。下面学识网我为大家带来英语四级选词填空试题练习附答案解析，欢迎各位考生参考练习。四级选词填空试题练习原文Withtheworld'spopulationestimatedtogrowfromsixtoninebillionby2050,researchers.businessesandgovernmentsarealreadydealingwiththeimpactthisincreasewillhaveoneverythingfromfoodandwatertoinfrastructure（基础设施）andjobs.Underlingallthis__1__willbethedemandforenergy,whichisexpectedtodoubleoverthenext40years.Findingtheresourcestomeetthisdemandina__2__sustainablewayisthecornerstone（基石）ofournation'senergysecurity,andwillbeoneofthemajor__3__ofthe21stcentury.Alternativeformsofenergy-bio-fuels,windandsolar,tonameafeware__4__beingfundedanddeveloped,andwillplayagrowing__5__intheworld'senergysupply.Butexpertssaythatevenwhen__6__,alternativeenergysourceswilllikelymeetonlyabout30%oftheworld'senergyneedsby2050.Forexample,evenwith__7__investments,suchasthe$93millionforwindenergydevelopment__8__intheAmericanRecoveryandReinvestmentAct,importantalternativeenergysourcessuchaswindandbio-fuels__9__onlyabout1%ofthemarkettoday.Energyandsustainabilityexpertssaytheanswertoourfutureenergyneedswilllikelycomefromalotof__10__bothtraditionalandalternative.四级选词填空试题练习选项stablesolutionssignificantroleprogressmarvelousincluded[H]growth[I]exactly[J]consistcomprisecompetitionscombinedchallengescertainly四级选词填空试题练习答案growthstablechallengescertainlyrolecombinedsignificantincludedcomprisesolutions这是一篇探讨能源资源的说明文，话题是考生比较熟识的能源问题，不断增长的人口与可再生资源的冲突该如何解决。文中指出能源的一些可替代形式如生物能源、风能太阳能等可再生资源将在将来发挥