人教版新课标高中英语必修3unit2warmingup1 45页

Unit 2 Healthy eating Warming up Lead-in What do you usually eat during the festivals? Match the food with the festivals Moon cake Zongzi Dumplings Tangyuan Chocolate Turkey Pumpkin Lantern Festival Spring Festival Thanksgiving Day Dragon Boat Festival Mid-autumn Festival St Valentine’s Day Halloween 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? nutrients minerals fat protein vitamin …… sugar carbohydrates S ome 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 wo n ton 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 don’t eat a balanced diet? Discussion If we don’t eat a balanced diet, what may happen? too fat too thin I like the things. I often eat them too much. I do not like them at all. Which food contains more…? Examples of foods Answer sugar chocolate or grape cakes or bananas fat cream or rice chocolate or chicken fibre peas or nuts pork or cabbage protein potato crisps or ham eggs or cream 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 mustn’t 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 coloring protect v. 保护，保卫 protect….from/ against… Wearing 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 one’s balance 保持平衡 lose one’s 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 sun’s 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 balancing pepper(s) 用适当的介词填空。 1. People learn things ______ different ways — some learn by doing; others by reading or by listening. 2. What has happened ______ such a good man? in to 3. The meat of this kind of animal should not go ______ the menu of the restaurant. 4. A man visiting his school wants to invite his teacher ______ dinner. into for / to Homework Preview the reading Thank You!