Increasinglyoverthepasttenyearspeople---especiallyyoungpeople–havebecomeawareoftheneedtochangetheireatinghabitsbecausemuchofthefoodtheyeatespeciallyprocessedfood(加工过的食品)isnotgoodforthehealth.Asaresulttherehasbeenagrowinginterestinnaturalfoods:foodswhichdonotcontainchemicaladditives(添加剂)andwhichhavenotbeenaffectedbychemicalfertilizers(化肥)widelyusedinfarmingtoday.
Naturalfoodsforexamplearevegetablesfruitandgrainwhichhavebeengrowninsoilthatisrichinorganicmatter.Insimplewordsthismeansthatthesoilhasbeennourished(给…营养)byunusedvegetablematterwhichprovidesitwithvitaminsandminerals.Thisinitselfisanaturalprocesscomparedwiththeuseofchemicalsandfertilizersthemainpurposeofwhichistoincreasetheamount—butnotthequality—offoodsgrownincommercialfarmingarea.
Naturalfoodsalsoincludeanimalswhichhavebeenallowedtofeedmovefreelyinhealthypastures(牧场).Comparethiswithwhathappensinthemassproductionofpoultry(家禽)：therearebatteryfarmsforexamplewherethousandsofchickenslivecrowdedtogetherinonebuildingandarefedonfoodwhichislittlebetterthanrubbish.Chickenskeptinthiswayarenotonlytastelessasfood;theyalsoproduceeggswhichlackimportantvitamins.
Thereareothersidesofhealthyeatingwhicharenowreceivingincreasingattentionfromexpertsondiet.Takeforexamplethequestionofsugar.Thisisactuallyunnecessaryfood.Itisnotthatsugarisharmfulinitself.Butitdoesseemtobeaddictive:thequantityweusehasgrownsteadilyoverthelasttwocenturiesandinBritaintodayeachpersonconsumesanaverageof200poundsayear!Yetallitdoesisprovideuswithenergyintheformofcalories.Therearenovitaminsinitnomineralsandnofibre.
1.Peoplehavebecomemoreinterestedinnaturalfoodsbecause______.
A.theywanttokeephealthy
B.theywanttotasteallkindsoffoods
C.naturalfoodsaremoredeliciousthanprocessedfoods
D.theywanttoreturntonature
2.ChickensraisedinpoultryfarmsareallofthefollowingEXCEPTthat_____.
A.theyarefedonfoodwhichislittlebetterthangarbage
B.theyliveinverycrowdedcondition
