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1、2014年大学英语四级模拟题及答案（二）PartⅡReadingComprehension(35minutes)Directions:Thereare4passagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletterontheA
2、nswerSheetwithasinglelinethroughthecentre.Questions21to25arebasedonthefollowingpassage:Increasingly,overthepasttenyears,people—especiallyyoungpeople—havebecomeawareoftheneedtochangetheireatinghabits,becausemuchofthefoodtheyeat,particularlyprocessedfoods,isnotgoodforhealt
3、h.Consequently,therehasbeenagrowinginterestinnaturalfoods:foodswhichdonotcontainchemicaladditivesandwhichhavenotbeenaffectedbychemicalfertilizerswidelyusedinfarmingtoday.Naturalfoods,forexample,arevegetables,fruitandgrainwhichhavebeengrowninsoilthatisrichinorganicmatter.
4、Insimpleterms,thismeansthatthesoilhasbeennourishedbyunusedvegetablematter,whichprovidesitwithessentialvitaminsandminerals.Thisinitselfisanaturalprocesscomparedwiththeuseofchemicalsandfertilizers,themainpurposeofwhichistoincreasetheamountbutnotthequalityoffoodsgrownincomm
5、ercialfarmingareas.Naturalfoodsalsoincludeanimalswhichhavebeenallowedtofeedandmovefreelyinhealthypastures.Comparethiswithwhathappensinthemassproductionofpoultry:therearebatteryfarms,forexample,wherethousandsofchickenslivecrowdedtogetherinonebuildingandarefedonfoodwhichis
6、littlebetterthanrubbish.Chickenskeptinthiswayarenotonlytastelessasfood;butalsoproduceeggswhichlackimportantvitamins.Thereareotheraspectsofhealthyeatingwhicharenowreceivingincreasingattentionfromexpertsondiet.Take,forexample,thequestionofsugar.Thisisactuallyanonessentialf
7、ood!Althoughanaturalalternative,suchashoney,canbeusedtosweetenfoodifthisnecessary,wecaninfactdowithoutit.Itisnotthatsugarisharmfulinitself.Butitdoesseemtobeadditive:thequantityweusehasgrownsteadilyoverthelastcenturiesandinBritaintodayeachpersonconsumesanaverageof200pound
8、sayear!Yetallitdoesisprovideuswithenergy,intheformofcalories.Therearenovitaminsinit,nomineralsandnofibe
