2007年高一Unit2_Healthy_eating_Warming-up(reading)课件_

COMEANDEATHEREdiet日常饮食•meat•vegetable•seafood•fruit•snacks（零食小吃）•staplefood(主食)Whatkindoffooddoweeat?Underweight=18.5Normalweight=18.5---24.9Overweight=25---29.9(极度肥胖)Obesity=30orgreaterBMI:(BodyMassIndex)身体质量指数weight(kg)[height(m)]²Formula(公式):=?FunctionsoffoodMaintainlifeKeephealthyPreventdiseasesWhydowehavetoeateveryday?•unhealthyfood•healthyfoodCanwebenefitfromallkindsoffood?(Junkfood)sweetsFriedchickenchocolatePotatocrispIcecreamMuttonkebablemondumplingshammuttonfishbeancucumbermushroomcarrottomatocabbagecucumberPeaMushroomBeanCornlobsterCrabShellOctopusOysterShrimpFishFruitStrawberry草莓applelemonKiwifruit(猕猴桃)cherrygrapeswatermelonsweetschocolatepotatochipsIcecreamricedumplingsnoodlescakepizzahamburgerstaplefood主食Whatkindsofnutrients(营养物质)cantheyprovidetohumanbeings?WaterSugarFat脂肪Fibre纤维Protein蛋白质VitaminAbalanceddietfruitsFibre&vitamin&sugarvegetablesFibre&vitaminproteinfat&sugarricecornnoodledumplingsFibre&vitaminSpeakingDecidewhichfoodisjunkfoodorhealthyfoodandgivereasons.Ithink…isjunkfoodbecause…Ithink…ishealthyfoodbecause…(berichin富含；belowin缺乏，含…量低)Ifwedon’teatabalanceddiet,whatmayhappen?slimfat…☆Whatisabalanceddiet?Abalanceddietistheonethatincludesatleastthreekindsoffood:energygivingfoods,body-buildingfoodsandprotectivefoods.Doyouknowthatthefoodyoueathelpsyougrowindifferentways?fastenergyfoodsricesugarnoodlespotatoesspaghettibreadslowenergyfoodsbuttercreamoilsnutsfoodstogiveyouenergy(energy-giving)foodstogrowbonesandmusclemeat,eggs,cheese,milk,tofufoodstogrowbonesandmuscle(body-buildingfoods)foodsthatgivefibrefordigestionandhealthallvegetables,allfruitfoodsthatgivefibrefordigestion(protectivefoods)milk,cheese,yogurtfats,oils,sweetsmeat,poultry,fish,beansfruitvegetablebread,cereal,rice,pastaWhyaresomanychildrenfat?Whatproblemsarethefatpeoplefacingindailylife?