healthy eating(PPT-23).ppt

1 unit13healthyeating 2 playingagame sayouttheenglishnames 3 茄子蘑菇胡椒菠菜火鸡色拉油 南瓜柠檬奶昔生菜比萨饼果冻 4 a pearb cherry guessthenameofthesefruits 5 a lemonb strawberry 6 choosethenamethatdoesn tbelongtothisgroup a porkb beefc carrotd chicken 7 a tomatob eggplantc mushroomd butter choosethenamethatdoesn tbelongtothisgroup 8 choosethenamethatdoesn tbelongtothisgroup a cabbageb muttonc celeryd onion 9 choosethenamethatdoesn tbelongtothisgroup a hamburgerb noodlesc steamedbund dumpling 10 choosethenamethatdoesn tbelongtothisgroup a alcoholb winec beerd juice 11 choosethenamethatdoesn tbelongtothisgroup a cokeb whiskeyc sodapopd juice 12 choosethenamethatdoesn tbelongtothisgroup a riceb wheatc cornd drink 13 greenpepper redpepper carrot whatarethey coconut 14 garlic pumpkin greenbeans ginger 15 pleasethinkaboutwhatkindoffoodisjunkfoodandwhatishealthyfood youmaylookatthephotosonyourbook 16 questionsabouthealthyeating 1 howmanynutrientsshouldourbodyreceivefromthefoodweeateveryday 2 howmanyessentialnutrientsshouldweneedeveryday whatarethey about50 6nutrients proteincarbohydratesfatvitaminsmineralswater 17 carbohydratesaretheprimaryenergysourcethatfuelsyourmusclesandbrain whichcomefromfoods suchaswholegrainbreads riceandhighfiberfoodslikefruitsandvegetables proteinisakindofnaturalsubstance neededbythebodyforgrowth usedforbuildingandrepairingbodytissues 组织 foundinmilkandmeatandgrainproducts fatisfoundundertheskin ourbodyneedsitforenergy itcankeepusfromfeelingcold 18 vitaminisanimportantkindofsupplement whichisgoodforgrowthandhealth youmustobtainthemthroughfoods mineralsarenaturalbutnon livingsubstanceshealthfultothebody eachmineralhasaspecificroleinourbody wecangetthemthroughahealthydiet wateristhemostimportantelementforus about2 3ofadultbodyweightiswater peoplecanonlysurviveafewdayswithoutwater 19 sugar oil salt10 fish meat eggs milk20 fruit vegetables30 themostimportantthingonthefirstfloorofthepyramidsisgrainfood itisthebaseofthepyramids weshouldtakegrainfood400 500geveryday theratioofthegraintobeansis10to1 thesecondfloorofthepyramidsarevegetablesandfruits sotheyarealsoveryimportantinthepyramids weshouldtake300 400gvegetablesandfruitseveryday theratioofvegetablestofruitsis8to1 thethirdfloorofthepyramidsismilkanddairy tomakeupproteinandcalciuminhighquality weshouldtakeit200 300geveryday thefourthfloorofthepyramidsisprotein fat vitaminsbandinorganicsalts weshouldtakefowls meat fishandeggs100 200geveryday thepointisoil saltandsugar grainfood rice40 20 糖盐油10 鱼肉蛋奶20 水果蔬菜30 面食米饭40 金字塔 的第一层是最重要的粮谷类食物 它构成塔基 应占饮食中的很大比重 每日粮豆类食物摄取量为400 500克 粮食与豆类之比为10 1 金字塔 的第二层是蔬菜和水果 因此在金字塔中占据了相当的地位 每日蔬菜和水果摄入量300 400克 蔬菜与水果之比为8 1 金字塔 的第三层是奶和奶制品 以补充优质蛋白和钙 每日摄取量为200 300克 金字塔 的第四层为动物性食品 主要提供蛋白质 脂肪 b族维生素和无机盐 禽 肉 鱼 蛋等动物性食品每日摄入量为100 200克 塔尖为适量的油 盐 糖 21 discussion 1 whatisabalanceddiet andwhatweshoulddotokeepabalanceddiet 1 avarietyoffood2 plentyofgrains vegetablesandfruits3 lowfatintake4 properintakeofsugarandsalt5 noalcohol6 matchfoodintakewithphysicalactivity 22 2 allsnacksareunhealthy doyouthinkso smallamountsofsnackfood likechocolate candiesandsoftdrinkscanbeeatennowandthenifyoufilluponfoodfromthebasicfoodgroupsfirst butremember thiskindoffoodshouldn tbeeateneveryday trysnackingonfoodthatcome