Unit 3 Reading for writing 知识点讲解2课件 【教材精讲精研】 高中英语人教版（2019）选择性必修第二册

ReadingforWritingHEALTHYEATINGonPage32Fast-readingWhat’sthemainideaofthepassage?A.Adebateaboutfattyfood.B.Whatahealthydietis.C.Heartdiseaseisthenumberonekiller.D.Moderationisfundamentalinlife.BPara1HEALTHYEATINGThereismuchdebatenowadaysastowhatmakesupahealthydiet.Forexample,scientistshaveinsistedforyearsthatabigenemyofhealthisfattyfood.However,thereisincreasingevidencethattherealdriverofpoorhealthisnotsomuchfattyfood,asitissugar.HeartdiseaseisthenumberonekillerofAmericans.AndinAmerica,peoplewhoreceive25%ooftheirdailycaloriesormorethroughsugararetwiceaslikelytodiefromheartdiseasethanpeoplewhoreceivelessthan10%aday(JournaloftheAmericanMedicalAssociation,2014).Thisistrueregardlessofhowhealthytherestoftheirdietmightbe.Putmoresimply,whilepeoplecontinuetoargueoverwhetherornotfattyfoodisdangerous,wealreadyknowthatsugarisakiller.Mainidea?TheRealKillerisSugar.Para1HEALTHYEATING

Thereismuchdebatenowadaysastowhatmakesupahealthydiet.Forexample,scientistshaveinsistedforyearsthatabigenemyofhealthisfattyfood.However,thereisincreasingevidencethattherealdriverofpoorhealthisnotsomuchfattyfood,asitissugar.HeartdiseaseisthenumberonekillerofAmericans.当下，何为健康饮食仍众说纷纭。例如，多年来科学家一直认为健康的大敌是高脂肪食物。然而，越来越多的证据表明，导致不良健康的真正因素并非高脂肪食物，而是糖分。心脏病是美国人的头号杀手。关于...有很多争论健康的大敌越来越多的证据表明…的真正因素高脂肪食物…的头号杀手AndinAmerica,peoplewhoreceive25%oftheirdailycaloriesormorethroughsugararetwiceaslikelytodiefromheartdiseasethanpeoplewhoreceivelessthan10%aday(JournaloftheAmericanMedicalAssociation,2014).Thisistrueregardlessofhowhealthytherestoftheirdietmightbe.Putmoresimply,whilepeoplecontinuetoargueoverwhetherornotfattyfoodisdangerous,wealreadyknowthatsugarisakiller.Para1在美国，每天从糖分中摄取25％或更高卡路里的人死于心脏病的可能性是日摄取量少于10％的人的两倍(《美国医学会杂志》，2014年)。无论他们饮食的其他方面多么健康，都确实如此。简单地说当人们还在为高脂肪食物是否有害而争论不休时，我们已经知晓糖分是健康杀手。死于心脏病不管更简单地说争论Whileshewaslisteningtotheradio

whilehissisterisgoodatChineseWhilethereislifechattedforawhileWhileIunderstandwhatyousayPara2Muchofthisextrasugarcomesfromsweetsandsweetdrinks.TheaverageAmericangets1/3ofhisorhersugarthroughsweetdrinksalone.TheAmericanHeartAssociationrecommendsthatwelimitourselvestolessthan100-150caloriesadayfromsugar,whichislessthanwhatisusuallycontainedinonecanofsweetdrinkorinasinglecandybar.Inotherwords,ifyouwanttobehealthy,youhavetocutdownondesserts,andcutoutsweetdrinksaltogether.Mainidea?ReducingSweetsisKey.Muchofthisextrasugarcomesfromsweetsandsweetdrinks.TheaverageAmericangets1/3ofhisorhersugarthroughsweetdrinksalone.TheAmericanHeartAssociationrecommendsthatwelimitourselvestolessthan100-150caloriesadayfromsugar,whichislessthanwhatisusuallycontainedinonecanofsweetdrinkorinasinglecandybar.Inotherwords,ifyouwanttobehealthy,youhavetocutdownondesserts,andcutoutsweetdrinksaltogether.Para2多余的糖分大多来自甜食和甜饮料。一个普通的美国人单从甜饮料中摄取的糖分就占三分之一。美国心脏协会建议我们将每日糖摄入量限制在100至150卡路里以下，少于一听甜饮料或一块糖果通常所含的糖分。换言之，要想身体健康，就必须少吃甜点，完全禁饮甜饮料。甜食和甜饮料一个普通的美国人美国心脏协会换言之少吃甜点完全禁饮甜饮料Para3Beyondthis,youcankeephealthybyconsumingdifferentcategoriesoffreshfoods,especiallyfruitandvegetables,whicharefullofvitaminsandfibre,ratherthanprocessedfoods.Processedfoodsoftencontainlessnutrition,andhavehigherquantitiesofsugar,salt,andfatthanfreshingredients.Besidesthis,itisalsoimportanttohavesomemeat,beans,ordairyproductsinyourdiet,astheyprovidethenecessaryproteinforstrongbonesandmusclegrowth.Aswitheverythinginlife,moderationiskey.Theidealdietisabalancedone,withouttoomuchortoolittleofanyonething.Mainidea?KeepItFreshandBalanced.

Beyondthis,youcankeephealthybyconsumingdifferentcategoriesoffreshfoods,especiallyfruitandvegetables,whicharefullofvitaminsandfibre,ratherthanprocessedfoods.Processedfoodsoftencontainlessnutrition,andhavehigherquantitiesofsugar,salt,andfatthanfreshingredients.Para3除此以外，为了保持身体健康，你还可以食用不同种类的新鲜食物，尤其是富含维生素和纤维素的水果和蔬菜，而不是加工食品。相比新鲜食材，加工食品通常营养成分较低，糖分、盐分和脂肪含量更高。除此以外不同种类的富含加工食品营养成分含有更多的糖、盐和脂肪Besidesthis,itisalsoimportanttohavesomemeat,beans,ordairyproductsinyourdiet,astheyprovidethenecessaryproteinforstrongbonesandmusclegrowth.Aswitheverythinginlife,moderationiskey.Theidealdietisabalancedone,withouttoomuchortoolittleofanyonething.Para3此外，饮食中摄取一些肉类、豆类或奶制品也十分重要，因为这些食物为强壮骨骼、肌肉生长提供必要的蛋白质。适量是关键，生活中万事均如此。理想的饮食是均衡饮食，避免过多或过少摄入任何一种成分。为…提供生活中万事均如此适量是关键Para4Finally,afundamentalkeytohealthyeatingistoeatslowly.Ittakesabouttwentyminutesfromthetimeyoustarteatingforyourbraintotellyourbodythatyouarefull.Whatthismeansisthatpeoplewhochewtooquicklyendupeatingtoomuchfoodbecausetheystillfeelhungry.Eatingslowlyalsoallowsyourbodytodigestyourfoodbetter,andwillallowyoutoenjoyyourfoodmore.Inaddition,studiesshowthatconsistenteatinghabits,forexample,takingthreemealsadayatthesametimeeachday,arebetterforourhealth.Itisalsobettertoeatamodestamountoffoodeachtime,ratherthantoeatalotinonemeal,andthenalittleinthenext.Mainidea?SlowEatingisGood.Finally,afundamentalkeytohealthyeatingistoeatslowly.Ittakesabouttwentyminutesfromthetimeyoustarteatingforyourbraintotellyourbodythatyouarefull.Whatthismeansisthatpeoplewhochewtooquicklyendupeatingtoomuchfoodbecausetheystillfeelhungry.Para4最后，健康饮食的基本要诀是细嚼慢咽。开始进食大约20分钟后，你的大脑才会告知你的身体“你吃饱了”。这意味着咀嚼过快的人最终会吃太多食物，因为他们仍然感到饥饿。基本要诀这大约需要20分钟endupdoingsth

最终做某事Eatingslowlyalsoallowsyourbodytodigestyourfoodbetter,andwillallowyoutoenjoyyourfoodmore.Inaddition,studiesshowthatconsistenteatinghabits,forexample,takingthreemealsadayatthesametimeeachday,arebetterforourhealth.Itisalsobettertoeatamodestamountoffoodeachtime,ratherthantoeatalotinonemeal,andthenalittleinthenext.Para4细嚼慢咽还能让你的身体更好地消化食物、更充分地享受美食。此外，研究表明，有规律的饮食习惯对我们的健康更有好处，例如，每天固定时间食用三餐。而且最好每餐摄入适量的食物，而不是上一餐吃很多，下一餐吃得很少。此外有规律的饮食习惯摄入适量的食物Para5Thereisnoonetricktohealthyeating.Rather,healthyeatingstartswithhavingahealthyattitudetowardsfood.Onequestionyoucanaskyourselfis,“DoIeattolive,orlivetoeat?”Ifyouareusingfoodmostlyfornutrition,thenyouareontherighttrackwithyourdiet.However,iffoodhasbecomethecentreofyourlife,youmightbeontheroadtobadhealth.Itisuptoyoutodecidehowyouwanttolive,andtomaketherightdecisionsaboutyourdiet。Mainidea?TheWayYouLookatFoodisMostImportan