With the world's population estimated to grow from six to nine billion by 2050, researchers. businesses and governments are already dealing with the impact this increase will have
树图思维导图提供 2017年6月英语四级阅读选词填空练习题及答案(三十一) 在线思维导图免费制作,点击“编辑”按钮,可对 2017年6月英语四级阅读选词填空练习题及答案(三十一) 进行在线思维导图编辑,本思维导图属于思维导图模板主题,文件编号是:ee89b868bb7e0e24f3bedd8a8f28c17d
2017年6月英语四级阅读选词填空练习题及答案(三十一)思维导图模板大纲
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.
[A]stable
[B]solutions
[C]significant
[D]role
[E]progress
[F]marvelous
[G]included
[H]growth
[I]exactly
[J]consist
[K]comprise
[L]competitions
[M]combined
[N]challenges
[O]certainly
1growth2stable3challenges4certainly5role6combined7significant8included9comprise10solutions
【解析】这是一篇讨论能源资源的说明文,话题是考生比较熟悉的能源问题,不断增长的人口与可再生资源的矛盾该如何解决。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未来发挥越来越重要的作用。但是专家指出,即使这些资源储备量惊人,但是到2050年也只能满足世界30%的需求。文章最后两段探讨了各能源在市场上的需求,以及解决未来能源需求的其他方案。
总体来说,这篇文章理解难度不大,填空难度适中,所选词汇也都是四级考纲的词汇。选项较具有干扰项,多为c和s开头的单词,考生在考试时要特别注意。
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