Unit 2 Healthy eatingWarming up,Lead-in,What do you usually eat during the festivals?,Match the food with the festivals,Moon cakeZongziDumplingsTangyuanChocolateTurkeyPumpkin,Lantern FestivalSpring FestivalThanksgiving DayDragon Boat FestivalMid-autumn FestivalSt Valentines DayHalloween,Z.x.x. K,What do you usually have for breakfast?,fried dumplings,steamed dumplings,pan cake,twisted cruller,What do you usually have for lunch?,steamed bread,shrimp,meat,fish,rice,What do you usually have for supper?,spaghetti,dumpling,porridge,noodles,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?,minerals,fat,protein,vitamin,sugar,carbohydrates,Some essential nutrients,fibre,The Healthy Diet Pyramid,fat,protein 蛋白质,fibres, sugar,vitamins,There are no healthy or unhealthy foods - only healthy or unhealthy diets.,fruit vegetables,bread, other cereals potatoes,meat, fish alternatives,foods containing fat, foods drinks containing sugar,milk dairy foods,A balanced diet simply means a bit of everything, including meat, fish, vegetables and fruit.,A balanced diet must contain carbohydrate, protein, fat, vitamins, mineral salts and fibre. It must contain these things in the correct proportions.,carbohydrates: these provide a source of energy. proteins: these provide a source of materials for growth and repair. fats: these provide a source of energy and contain fat soluble vitamins. vitamins: these are required in very small quantities to keep you healthy. mineral salts: these are required for healthy teeth, bones, muscles etc fibre: this is required to help your intestines function correctly; it is not digested.,rice, noodles, bread, potatoes, chocolate, butter, cream, oils, nuts spaghetti,1. Food that mainly provides energy,dumplings,noodles,wonton,steamed twisted rolls,chocolate,cream,butter,oil,peanut,chestnut,walnut,nuts,meat, milk, eggs, cheese, tofu,2. Food that can helps us grow bones and muscle,crab,shrimp,mutton,roast duck,most vegetables: (eg, beans, peppers, eggplants, cabbage) and fruit: (eg, apples, peaches, oranges, lemons),3. Food that helps the body fight diseases,cucumber,beans,mushrooms,peppers,pumpkin,pea,eggplant,cabbages,celery,carrot,strawberry,pineapple,cherry,pear,peach,lemon,Which group of food do you like best? Which do you eat most often? Do you eat the three kinds of food each day? What will happen to you if you dont eat a balanced diet?,Discussion,If we dont eat a balanced diet, what may happen?,too fat,too thin,chocolate,cakes,cream,chocolate,nuts,cabbage,ham,eggs,Which one is healthier, the Chinese food or Western food?,Chinese food: the healthiest diet, a lot of fruit and green vegetables, rich in fiber, low in sugar,Western food: too much fat (meat, potato chips, butter, cream and chocolate),too much sugar (cakes, soft drinks, sweets),Which is healthy food and which is junk food?,food that is not healthy, because it contains a lot of fat, sugar etc.,Junk food,Junk food is an informal term applied to some foods which are perceived to have little or no nutritional value, or to products with nutritional value but which also have ingredients considered unhealthy when regularly eaten, or to those considered unhealthy to consume at all.,food that contains a lot of vitamins, fibers etc.,Healthy food,Everybody has to eat, but do you eat a healthy diet?diet和food都有“食物”的意思。 但diet指的是习惯的食物或规定的食物, 特指维持健康的食物, 如病人的疗养食物。food是一般指凡能吃能喝的具有营养的东西, 是不可数名词；但表示种类时是可数名词。,Language points,The doctor has ordered me a special diet. Too many sweet foods will make you fat. The doctor put him on a _ to keep thinner. We have _ to live, but not live to eat. The patient mustnt go without _, but she should have a _ without sugar.,diet,food,food,diet,a balanced diet be on a diet(状态)/go on a diet(动作) put sb. on a diet,均衡饮食,节食,限制饮食,Proper _ and exercise are both important for health. Many sweet _ are on sale in the store Milk is the _ for babies.,foods,diet,food,2.protective food保健食品,protective adj.保护的，给予保护的protective coloringprotect v.保护，保卫protect.from/ againstWearing dark glasses can protect eyes from the sun.protection n. 保护U, 保护物C,3. balanced diet 1) balanced 在此用作形容词, 意为“平衡的”,“均衡的”You ought to have a balanced state of mind. 你应该保持心态平衡。 2) v. 使均衡, 收支平衡 Try to balance your diet by eating more fruit. 多吃一些水果, 使饮食均衡。 3) n. 平衡, 天平请争取把工作和娱乐更好地结合起来。 Please try to keep a better balance between work and play.,be out of balance 不平衡 keep ones balance 保持平衡 lose ones balance 失去平衡,根据下列各句句意及所给单词的首字母或汉语提示, 写出所缺单词的正确形式。,1. Proper d_ and exercise are both important for health. 2. Sunscreen provides a p_ layer against the suns harmful rays.,diet,protective,3. There are many types of wild _ (蘑菇) and some are poisonous. 4. We should decide after b_ the advantages and disadvantages. 5. If you like hot food you can add some p_ to it.,mushrooms,