,灵璧中学 李朝章,Unit2 Healthy Eating Period 1 Warming up,What are the three essential elements for us human beings to survive on the earth?,water,air,food,fried bread stick,steamed stuffed bun,rice,porridge,What do you usually have for breakfast / lunch /supper ?,dumplings,noodles,woton,steamed twisted rolls,hamburger,soybean milk,sandwich,milk,spaghetti,crisp,cake,pizza,roast chicken,steak,salad,fried chicken/crisps,ice cream,crab,shrimp,mutton,roast duck,cucumber,bean,mushroom,pumpkin,pea,eggplant,pepper,celery,carrot,cabbage,Chinese cabbage,strawberry,watermelon,pineapple,lemon,cherry,pear,peach,peanut,chestnut,walnut,sunflower seed,minerals,fat,protein,vitamin,sugar,carbohydrates,some essential nutrients,fibre,What do the foods have in common ?,What will happen if we dont eat a balanced diet?,I like the things! I often eat them!,I like them very much!,A healthy diet 健康膳食,energy-giving food 能量食物 Food that provides energy,protective food 保健食品 Food that helps the body fight diseases,+,+,body-building food 健身食品 Food that helps grow bones and muscles,=,Foods to give you energy,Fast energy foods,rice,sugar,noodles,potatoes,spaghetti,bread,Slow energy foods,Foods to give you energy,butter,cream,oils,nuts,Foods to grow bones and muscle,meat,eggs,cheese,milk,Tofu; bean curd,Foods that give fibre for digestion and health Protective foods,vegetables,fruit,Do you know that the food you eat helps you grow in different ways?,fast energy foods rice sugar noodles potatoes spaghetti bread slow energy foods butter cream oils nuts,foods to give you energy,body-building foods meat, eggs, cheese, milk, tofu,foods to grow bones and muscle,protective foods all vegetables, all fruit,foods that give fibre for digestion,Pre-reading,chocolate or grapes,chocolate,cakes or bananas,cakes,cream or rice,cream,peas or nuts,nuts,potato crisps or ham,ham,chocolate or chicken,chocolate,pork or cabbage,cabbage,eggs,eggs or cream,diet 既可做可数名词，也可做不可数名词 （个人、社区）通常吃的食物、节食 Eg: 1) Too much diet is not good for you. 2) Proper diet and exercise are both important for healthy. 3) I mustnt have chocolate- I am on a diet.,diet与food diet: 指的是习惯的食物或规定的食物，特指维持 健康的定质或定量的食物。 food:一般食物，指任何能吃能喝的具有营养的东西。 Eg: 1) We must have food to eat and clothed to wear. 2) The doctor has ordered me a special diet.,balance 1) v. 权衡、平衡、对比 eg: 1) We must balance the two plans. 2) Can you balance yourself on skates? 2) n. 天平、称 eg: weigh sth. in the balance 用天平称 be out of balance 不平衡 keep ones balance 保持平衡 lose ones balance 失去平衡 a favorable balance 入多于出 a unfavorable balance 入不敷出,Explanations:,1. food & diet,diet指的是习惯性的食物或规定的事物,food是一般的词语,凡能吃的东西都可称为food,The _ that you buy in supermarkets are high in sugar, fat and salt. Proper _ and exercise are both important for health.,food,diet,2.物质名词的复数形式,表“许多种类”,Every person needs water and a diet of healthy foods.,表“大量”,on the sands,与原词意义不同,works of art,Discussion: 1.Why are there more and more fat people than before? 2.What kind of food should people eat in order to keep healthy?,COME AND EAT HERE,Functions of food,Maintain life,Keep healthy,Prevent diseases,Supply energy,Satisfy hunger,Why do we have to eat everyday?,unhealthy food healthy food,Can we benefit from all kinds of food?,sugar,Fried chicken,chocolate,Potato crisp,Ice cream,lemon,dumplings,ham,mutton,fish,bean,cucumber,mushroom,Thank you !,