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1、嘉兴英语教学网www.jxenglish.com收集整理欢迎使用姓名第1次班级高一英语必修3Unit2活页练习命题人：倪新华 AIncreasingly,overthepasttenyears,people---especiallyyoungpeople–havebecomeawareoftheneedtochangetheireatinghabits,becausemuchofthefoodtheyeat,especiallyprocessedfood(加工过的食品),isnotgoodforthehealth.Asaresult,therehasbeenagrowingintere
2、stinnaturalfoods:foodswhichdonotcontainchemicaladditives(添加剂)andwhichhavenotbeenaffectedbychemicalfertilizers(化肥),widelyusedinfarmingtoday.Naturalfoods,forexample,arevegetables,fruitandgrainwhichhavebeengrowninsoilthatisrichinorganicmatter.Insimplewords,thismeansthatthesoilhasbeennourished(给…营养)b
3、yunusedvegetablematter,whichprovidesitwithvitaminsandminerals.Thisinitselfisanaturalprocesscomparedwiththeuseofchemicalsandfertilizers,themainpurposeofwhichistoincreasetheamount—butnotthequality—offoodsgrownincommercialfarmingarea.Naturalfoodsalsoincludeanimalswhichhavebeenallowedtofeedmovefreely
4、inhealthypastures(牧场).Comparethiswithwhathappensinthemassproductionofpoultry(家禽)：therearebatteryfarms,forexample,wherethousandsofchickenslivecrowdedtogetherinonebuildingandarefedonfoodwhichislittlebetterthanrubbish.Chickenskeptinthiswayarenotonlytastelessasfood;theyalsoproduceeggswhichlackimporta
5、ntvitamins.Thereareothersidesofhealthyeatingwhicharenowreceivingincreasingattentionfromexpertsondiet.Take,forexample,thequestionofsugar.Thisisactuallyunnecessaryfood.Itisnotthatsugarisharmfulinitself.Butitdoesseemtobeaddictive:thequantityweusehasgrownsteadilyoverthelasttwocenturiesandinBritaintod
6、ayeachpersonconsumesanaverageof200poundsayear!Yetallitdoesisprovideuswithenergy,intheformofcalories.Therearenovitaminsinit,nominerals,andnofibre.1.Peoplehavebecomemoreinterestedinnaturalfoodsbecause______.A.theywanttokeephealthyB.theywanttotasteallkindsoffoodsC.naturalfoodsaremoredeliciousthanpro
7、cessedfoodsD.theywanttoreturntonature2.ChickensraisedinpoultryfarmsareallofthefollowingEXCEPTthat_____.A.theyarefedonfoodwhichislittlebetterthangarbageB.theyliveinverycrowdedconditionC.theeggstheyproducelackvitaminsD.t
