6月大学英语四级考试预测试题.docx

6月大学英语四级考试预测试题

PartⅡReadingComprehension(35minutes)Directions:Thereare4passagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecentre.Questions21to25arebasedonthefollowingpassage:Increasingly,overthepasttenyears,people—especiallyyoungpeople—havebecomeawareoftheneedtochangetheireatinghabits,becausemuchofthefoodtheyeat,particularlyprocessedfoods,isnotgoodforhealth.Consequently,therehasbeenagrowinginterestinnaturalfoods:foodswhichdonotcontainchemicaladditivesandwhichhavenotbeenaffectedbychemicalfertilizerswidelyusedinfarmingtoday.Naturalfoods,forexample,arevegetables,fruitandgrainwhichhavebeengrowninsoilthatisrichinorganicmatter.Insimpleterms,thismeansthatthesoilhasbeennourishedbyunusedvegetablematter,whichprovidesitwithessentialvitaminsandminerals.Thisinitselfisanaturalprocesscomparedwiththeuseofchemicalsandfertilizers,themainpurposeofwhichistoincreasetheamountbutnotthequalityoffoodsgrownincommercialfarmingareas.Naturalfoodsalsoincludeanimalswhichhavebeenallowedtofeedandmovefreelyinhealthypastures.Comparethiswithwhathappensinthemassproductionofpoultry:therearebatteryfarms,forexample,wherethousandsofchickenslivecrowdedtogetherinonebuildingandarefedonfoodwhichislittlebetterthanrubbish.Chickenskeptinthiswayarenotonlytastelessasfood;butalsoproduceeggswhichlackimportantvitamins.Thereareotheraspectsofhealthyeatingwhicharenowreceivingincreasingattentionfromexpertsondiet.Take,forexample,thequestionofsugar.Thisisactuallyanonessentialfood!Althoughanaturalalternative,suchashoney,canbeusedtosweetenfoodifthisnecessary,wecaninfactdowithoutit.Itisnotthatsugarisharmfulinitself.Butitdoesseemtobeadditive:thequantityweusehasgrownsteadilyoverthelastcenturiesandinBritaintodayeachpersonconsumesanaverageof200poundsayear!Yetallitdoesisprovideuswithenergy,intheformofcalories.Therearenovitaminsinit,nomineralsandnofiber.?I