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PAGEPAGE12018年12月大学英语四级阅读真题选词填空PartⅢReadingComprehension(40minutes)SectionADirections:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Questions26to35arebasedonthefollowingpassage.Millionsdieearlyfromairpollutioneachyear.Airpollutioncoststheglobaleconomymorethan$5trillionannuallyinwelfarecosts,withthemostserious26occurringinthedevelopingworld.Thefiguresincludeanumberofcosts27withairpollution.Lostincomealoneamountsto$225billionayear.Thereportincludesbothindoorandoutdoorairpoll