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1、Warming Up Everybody has to eat,but do you eat a healthy diet?Do you know that the food you eat helps you grow in different ways?A healthy diet is defined as one that is balanced and not too rich in fat,sugar and salt or too poor and lacking in essential nutrients.Lead-in Whatdoyouusuallyeatduringth
2、efestivals?MatchthefoodwiththefestivalsMooncakeZongziDumplingsYuanxiaoChocolateTurkeyPumpkinLanternFestivalSpringFestivalThanksgivingDayDragonBoatFestivalMid-autumnFestivalStValentinesDayHalloweendiet日常饮食meatvegetableseafoodfruitsnacks（零食小吃）（零食小吃）staplefood(主食主食)What kind of food do we eat?Food grou
3、p:vegetablescarrottomatocabbagecucumberPeaMushroomBeanCornlobsterCrabShellOysterShrimpFood group:Sea foodFishFruit Strawberry草莓草莓applelemonKiwifruit(猕猴桃猕猴桃)cherrygrapeswatermelonsweetschocolatepotato chipsIce cream snacksricedumplingsnoodlescakepizzahamburgerstaple food主食主食What kinds of nutrients(营养
4、物质)can they provide to human beings?Water SugarFat脂肪脂肪Fibre纤维纤维Protein蛋白质蛋白质Vitamin A balanced diet Classifythefoodsweusuallyeatenergy-givingfoods:foodstogiveyouenergy(stablefood)foodsbody-buildingfoods:foodstogrowbonesandmuscle(meat,seafood,eggs,milk,cheese,tofu)protectivefoods:foodsthatgivefibrefo
5、rdigestionandhealth(vegetables&fruits)cherryFoodstogiveyouenergyFastenergyfoodsricesugarnoodlespotatoesspaghettibreadSlowenergyfoodsFoodstogiveyouenergybuttercreamoilsnutsFoodstogrowbonesandmusclemeateggscheesemilkTofu;beancurdFoodsthatgivefibrefordigestionandhealthProtectivefoodsvegetablesfruitJunk
6、 foodhas a lot of calories but few nutrients,vitamins and minerals.Healthy foodgive us the calories we need but not contain too much fat and sugar.Whatwillhappenifwedonteatabalanceddiet?Too much fatty food or body-building food may store energy in the bodies and may cause problems for digestion and
7、lead to illnesses unless fibre foods are eaten to aid digestion.Which food contains more?Examples of foodsAnswersugarchocolate or grapecakes or bananasfatcream or ricechocolate or chickenfibrepeas or nutspork or cabbageproteinpotato crisps or hameggs or creamchocolatecakescreamchocolatenutscabbageha
8、meggsWhichofthefollowingfoodscontainthemostfat?Puttheminorderfrom1(mostfat)to5(leastfat):ice-creameggschickenricepeachesDiscussionWhich country food is healthier,the Chinese food or Western food?Chinese food:the healthiest diet,a lot of fruit and green vegetables,rich in fibre,low in sugarWestern food:too much fat(meat,potato crisps/chips,butter,cream and chocolate),too much sugar(cakes,soft drinks,sweets)You are what you eat.人如其食人如其食An apple a day keeps the doctor away.一天一个苹果，医生不来找我一天一个苹果，医生不来找我First wealth is health.健康是人生的第一财富健康是人生的第一财富