预览加载中，请您耐心等待几秒...

（每日一读）高考英语考前突破阅读理解能力文化教育水果蔬菜与人体健康素材.doc

预览
1/3
2/3
3/3

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

水果蔬菜与人体健康 Expertssayeatingarangeoffruitandvegisbest,aspartofabalanceddiet,toprotectagainstillness. 专家表示，吃各种水果蔬菜对身体最为有利，可以均衡饮食，预防疾病。 Researchsuggestseatingatleastsevenportionsoffruitandvegetablesadayismoreeffectiveatpreventingdiseasethanthegovernment'scurrentfive-a-dayrecommendation. Isfiveadayenough? Yes-butpeopleshouldeatatleastfiveportionsoffruitandvegetablesaday,thegovernmentsays.TheadviceisbasedonWorldHealthOrganizationguidelines,whichare25yearsold. Dieticianssayeatingfiveadayisenoughtogettheprotectivebenefitsoffruitandveg-althougheatingmoremaybeadditionallybeneficial. Whatcountsasaportion? Fruitjuicecountstowardsoneportionoftherecommendedfiveportionsperday Foranadult,aminimumof400goffruitandvegshouldbeeateneveryday,orfiveportionsof80g. Theamountvariesforchildren,basedonactivitylevelsandage,butaroughguideisthatoneportionshouldfitinthepalmoftheirhand. Fruitandvegetablesdonothavetobeeatenontheirownandcanbecookedindishessuchassoups,stewsorpastameals. Dotinnedfruitandfruitjuicecount? Yes.Butjuiceshouldbeunsweetened,andonlycountsasoneportionaday,asitcontainslessfibrethanwholefruitsandvegetables. Fruitmustbetinnedinnaturaljuice,orwater,withnoaddedsugarorsalt,andnotinsyrup,whichlotsoffruitis. Beansandpulsesalsocount,butagainonlyasoneportionastheycontainfewernutrientsthanotherfruitsandvegetables. Smoothiesmaycounttowardsmorethanoneportioniftheycontainalltheediblepulpedfruitorveg,anddependingontheiringredients. Recommendationsincludefrozenfruitandvegetables,anddriedfruit,suchascurrants,dates,sultanasandfigs. Thoseinready-mealsandshop-boughtpastasauces,soupsandpuddingsarealsoincluded,butadviceurges"onlytohavethemoccasionally"orinsmallamountsastheyareoftenhighinsalt,sugarandfat. Whataboutpotatoes? Potatoesdonotcounttowardsoneofthefive-a-day,butsweetpotatoesdo. Potatoesarenotoneofthefive-a-dayitems.Thisisbecausetheymainlycontributestarchtoahealthydiet,whichisagoodsourceofenergyandhelpsdigestion. Theyareclassifiedinthesamegroupasbreadorpastabythegovernme