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xx年12月大学英语四级考试模拟题xx年12月大学英语四级考试模拟题Directions:Thereare4readingpassagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedABCandD.YoushoulddecideonthebestchoiceandmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.Questions21to25arebasedonthefollowingpassage.Thereisadifferencebetweenscienceandtechnology.Scienceisamethodofansweringtheoreticalquestions;technologyisamethodofsolvingpracticalproblems.Sciencehastodowithdiscoveringthefactsandrelationshipsbetweenobservablephenomenainnatureandwithestablishingtheoriesthatservetoorganizethesefactsandrelationships;technologyhastodowithtoolstechniquesandproceduresforimplementingthefindingofscience.Anotherdistinctionbetweenscienceandtechnologyhastodowiththeprogressineach.Progressinscienceexcludesthehumanfactor.Scient...。