healthy eating教案

教案序号：13单元 编写时间 2008 年2月20日 执行时间 2008年2 月 25日 话题1.Talking about health food and junk food2.Talking about eating habits and healthUnit 13 Healthy eating教学目的和要求 Teaching aims and demands 语言知识 Language knowledge 功能句式1. Practise seeing a doctor Giving advice and making suggestions医生询问和提建议What can I do for you?What was the matter ( with you )?Lie down and let me examine you.Let me have a look.Where does it hurt?It is nothing serious.Youd better have a good rest.Take this medicine three times a day.And I advise you not to doDrink plenty of water and have a good rest.Youll be well / all right soon.病人描述病情Ive got a pain / cough / headache.This place hurts.I dont feel well.There is something wrong withI advise you ( not ) to2. Practise ordering foodMay I take your order?Yes. Id like, please.What does that come with?It comes with andWhat would you like to drink?What can you recommend?Anything else?Id like to try, please. 词汇1. 四汇词汇fast, stomach, fever, salad, peach, ripe, ought to, examine, plenty of, energy, soft, bar, fuel, diet, keep up with, pace, make a choice, bean, function, fiber, mineral, chemical, balance, short of, fit, digest, gain, sleepy, now and then, brain, peel, roll up, tasty, mushroom, steam, boil, bacon, lettuce, mixture, spoonful, slice2. 认读词汇junk, vitamin, snack, Sharon, calorie, nutrient, nutrition, notorious, protein, muscle, calcium, dairy, product, carbohydrate, vegetarian, vegan, yoghurt, eco-food, organic, supplement, refuel, recipe, roll-up, ingredient, chop, dice, stir语法情态动词had better, should和ought to用来表示劝告和建议。语音1. 在口头表达中做到语音、语调自然和流畅；2. 根据语音、语调了解话语中隐含的意图和态度 。语言技能 Language skills听1. 能抓住所听语段中的关键词，理解话语之间的逻辑关系；2. 能从听力材料中提取信息和观点。说1 能有条理地描述个人体验和表达个人见解；2 能用恰当的方式在特定的场合中表达态度和意愿。读1. 能利用标题或上下文线索预测文章的发展；2. 能利用上下文和句子结构猜测词义。写1. 能用恰当的格式写菜谱；2. 能对所写内容进行修改。译1.能将课文中的重点句型英汉互译。学习策略1. 在学习中，善于抓住重点，做好笔记，并能对所学内容进行整理和归纳；2. 根据需要制定英语学习计划；3. 主动拓宽英语的学习渠道；4. 创造和把握学习英语的机会；5. 有效地使用词典、语法书等工具书；6. 通过图书馆、计算机网络、广播和电视等资源获得更广泛的英语信息，扩展所学知识。The First PeriodWarming up 、listening、Speaking、Teaching Aims: 1.Revise the vocabulary of some food by discussing pictures. 2.Summarize the features of junk food and health food. 3. Train the students listening ability.4.Improve Ss speaking ability by describing、talking and discussion.Teaching Important Points:Master the new phrases, sentence patterns and everyday English and make the students be free to talk about their favourite food and give reasons for their decisions.Teaching Difficult Points:How to improve the students expressing ability.Teaching Methods: Individual, pair or group work to make every student work in class.Teaching Aids:1.a tape-recorder 2. a blackboardTeaching Procedures: Step. Greetings and Lead-inT: Welcome back to school. How did you spend the Spring Festival?S1: Every day I watched TV programmes and slept late. During the Spring Festival I had a lot of delicious food.T: How about you?S2: T: The Spring Festival is the most important Chinese traditional festival, we usually have delicious food. But not all delicious food is health food. Maybe some of the food is junk food. Do you know what junk food means? Junk food means “垃圾食品” in Chinese. Please look around ,some of us are fat , some of us are thin and the others are slim. The students who are fat may be get more calorie from food ,the thinner ones get less calorie, the students who are slim get enough calorie .I think everyone wants to keep fit and slim, so we should have a healthy eating and know what are junk food and what are health food. Today were going to learn Unit 13 “ Healthy eating. StepII. Warming-upT: OK. Now open your books and turn to Page 1. Look at the eight pictures. Who can describe these pictures in English?S1: I can see some hamburger and French fries in Picture 1.S2: There are some boiled dumplings, noodles, rice and corn in Picture 2.S3: In Picture 3 there are some vegetables, such as tomatoes, cabbages, carrots and cucumber.S4: In Picture4 we can see clay oven rolls, fried bread stick and some nuts, such as peanuts, chestnuts and walnuts.S5: The fifth picture is the photos of oranges, bananas, apples, grapes and pears.S6: The sixth picture is the photos of some chicken, fish, pork and beef.S7:T: OK. What you said is all correct. . So Id like you to tell me: What is health food?S1: Health food should contain some fat, some fibre, and a little salt and so on. Health food is rich in fibre and low in sugar and fat. Health food will give us the nutrients we need.T: Then whats junk food?S2: Junk food is rich in sugar and fat.Junk food fat sugarcaloriecarbonhydrateHealth foodvitaminproteincalcium fibremineralorganicNow look at these pictures. Lets practise in pairs. One asks the questions , the other must tell your partner if it is junk food or health food. Of course, youd better give reasons for your decisions. For example. Look at the pictures, you can do it like this.S1: What would you like to eat?(What do you usually have eat？) Do you like ice cream?S2. I like vegetables. I think that vegetables are good food because they contain lots of vitamins.No. I think that ice cream is junk food because it has a lot of fat and sugar.Do you understand how to do it?Ss: Yes. T: OK. Please practise in pairs. ( Students begin to practise and the teacher goes among them and helps them if necessary. After a while, the teacher says the following.)T: Stop here, please. Lets listen to some of the pairs to tell their opinions.Step . Language Points1. reason for. 的原因 forreason 因为的原因The reason be that 原因是The reason why / that / which be that 的原因是e.g. There are many reasons for animals dying out.He had to move abroad for political reasons.The reason was that he was having a high fever.The reason why he was late is that he got up late.The reason ( that / which ) he gave was not very sound.2. contain “包含；包括(全部、整体)； 容纳（不用进行时）；控制， 抑制” e.g. What does the medicine contain, Dr. Yang?Books contain knowledge.The hall can contain five hundred people.She couldnt contain herself for joy.include “包含；包括；算入” 侧重于作为整体中的一部分而被包括进去。e.g. Everyone here took part in the fight against the flood, including old people. Everybody had something to say, me included. The price includes postage charges.3. if / whether在动词后引起宾语从句时， 二者一般可以换用。e.g. Please go to see if / whether the children are dressed for school.但下列情况只用whether: discuss后的宾语从句e.g. They are discussing whether they go to climb tomorrow. 与or not直接连用e.g. Please tell me whether you agree or not. 与不定式连用e.g. We dont know whether to answer it. 引起同位语从句e.g. You have to answer my question whether I am right. 引起表语从句e.g. What we want to know is whether hell come on time. 引起位于句首的主语从句e.g. Whether she likes the present is not clear to me. ListeningTask . Improve the students listening ability.Step I. So we eat junk food, it sometimes may cause problems. If you are not feeling well, what will you do?S: I will go and see a doctor.T: Yes, you should go and see a doctor. Now we will learn how to see a doctor. Something is wrong with Mike, so he has to go and see a doctor. Lets listen carefully to what the doctor says and what Mike says. Try to find out whats wrong with Mike. Please finish the exercises on Page 2.Step II. Play the tape for the students. Before playing ,let the students to skim the questions. While listening, the students should grasp the key words and get the main idea. After listening to the tape, do the exercises. And check the answers with the whole class. SpeakingTopic: Talk about illnesses someone has and make suggestions. Ss Task: learn to make suggestions and give advice.T: Now lets go on with speaking. Step I. Lets go through the useful expressions on page 3.Step II. Lets listen to a dialogue at the doctors. Sharon is visiting a doctor, Dr. Yang. Listen carefully and try to underline the phrases that make suggestions and give advice and the useful expressions used when seeing a doctor. After that, the teacher can ask two simple questions.1. What was the matter with Sharon? She has a pain.2. Why does she have a pain? Do you know? Because she ate some fruit that wasnt ripe.StepIII. Skimming. Get the Ss to go over the given situations.Step IV. Discussion. Get the students to discuss the situations and prepare a dialogue.Step3V. Pair-work. Get some pairs to act out their dialogues.Language Points happen to do sth. sth. happen to sb. e.g. I happened to be at the station when he arrived. What happened to Lucy?1. hurt 刺痛，使受伤痛；危害，损害；伤的感情e.g.He fell off his bike and hurt his leg. What he said hurt my feelings. 刺痛，伤痛；危害，损害e.g. These new shoes hurt. It wont hurt to try again. 伤痛；伤害；（精神、感情上的）创伤e.g. His hurt was serious. It is a hurt to his pride.2. pain 疼（表身体某部位的疼） e.g. She has a pain in her back.疼（表由损伤或疾病引起的痛苦、疼痛；精神上的痛苦）e.g. Her back causes her a lot of pain. His harsh words caused her much pain.努力、辛苦、操心 e.g. No pains, no gains. She takes great pains with her work.3. green 未熟的，嫩的；无经验的，没有受过训练的e.g. Youd better not eat green fruit. He is still green at this job. red( 暴力的，流血的 ),yellow( 胆怯，靠不住 ),blue( 沮丧的 ) black(邪恶的 )white（幸运的，吉利的）4.be careful with 认真，细心 be careful of 注意，当心，留神e.g. Youd better be careful with your pronunciation. The public was warned to be careful of rats.4. a bit / a littlee.g. I slept a bit / a little last night. For lunch I had a little bread Its not hard for one to do a bit of good. not a bit = not at all 一点也不 not a little = very / much 非常， 很e.g. I was not a bit tired after the long walk. The children were not a little tired after the climb.5. advise 建议，忠告，劝告advise +n. / pron. The doctor advises a change of air.advise sb. ( not ) to do sth. He advised me to start early. dvise doing sth. We advised waiting till the proper time. advise sb. against ( doing ) ath. His parents advised him against (doing) wrong. advise sb. + clause (从句中用should do的虚拟语气)I advised that he (should) leave at once. Please advised me whether I (should) accept the offer.advice 6. in the future 将来 in future 从此以后，今后e.g. No one knows what will happen in the future. Ill be more careful in future.7. examine: look at carefully in order to learn about or from 仔细检查check: examine in order to learn whether sth. Is correct or not 检查， 核对e.g. The doctor examined the wound. Now, please check your answers.8. plenty of 后接可数名词或不可数名词均可，同时动词的单复数形式须与 其名词一致。通常用语肯定句；否定句、疑问句则用enough或much, many.e.g. There is plenty of water in the glass. There are plenty of people over there.Step VI Homework page5 Word study page72 Talking and Vocabulary The Second Period Reading Teaching Aims:1. Learn and master the following words and phrases: soft, bar, diet, calory, pace, bean, fibre, mineral, disease, environmental, chemical, probably, balance, keep up with, too much, make choices, be harmful to, lose weight, be prepared for, go for.2. Improve the students reading ability.(skills)3. Enable the students to understand the best way to make sure that we will feel and look fine is to develop healthy eating habits by learning the reading text.Teaching Important Points: 1. Improve the students reading ability.2. Master the following phrases: keep up with, too much, make choices, be harmful to, lose weight, be prepared for.Teaching Difficult Points:3.How to make the students understand the reading material betterTeaching Methods: 1.Make predictions.2.Skimming 3.ScanningTeaching Aids:1.a tape recorder 2 .the blackboard Reading 1Teaching Procedures: Step. GreetingsStep . Pre-ReadingT: We all know that wed better eat health food in our daily life, eat less or never eat junk food. Now lets discuss some questions in the Pre-reading.Suggested answers: 1. Three meals. I think breakfast is the most important. Because the sleeping of the whole night has used up the energies in the body, besides people also need to work in the morning./ Lunch is the most important, I think. Because in the morning people have to work and need energies. In the afternoon they need energies, too.2. Three bowls / cups of water.Three litres of water.3. clay oven rolls / fried bread stick / soybean milk / wonton and noodles / smelly tofu4. a bar of chocolateStep III. Practice reading skills1.Before reading the passage the teacher can write the title on the blackboard and ask the students to make predictions(根据标题预测主题) .The teacher can ask: .In your opinion, what will the writer tell us in the passage? Suggested answer : What we eat (put into our bodies) will affect our health.2.Predict from the first and last paragraph(通过首尾段预测主要结论)。What is mainly talked about in the passage?3. Skimming: Read each paragraph quickly and silently .After that tell the main idea of each paragraph and then give the main idea of the passage. Para. 1: Choosing what to eat is no longer as easy as it once was.Para. 2: When we choose what to buy and eat, we had better think if the food will give us nutrients we need.Para. 3: Many people today make choices about their eating habits based on what they believe.Para. 4: It is probably better if we spend our time and money on buying good food and keeping a balanced diet.Para. 5: The best way to make sure that we will feel and look fine is to develop healthy habits.5. Scanning: Read the text carefully and do the Post-ReadingStep Homework Read the passage fluently. The Third Period Reading 2Language points 1. no longer =not any longer不再e.g. His neighbour said he no longer lived there.He is too narrow-minded. I cant stand him any longer.2. diet 日常饮食， 节食 既可指习惯上吃的食物，又可指规定的食物，特指维持健康的定质或定量的食物。food 统指食物，食品，精神粮食; 指一种或多种食品 指任何能吃且有营养的东西。强调种类时，可用复数。 e.g. Too rich a diet is not good for you . The doctor put her on a diet.(put sb on a diet/go on a diet 控制饮食) We went out for food. I like such foods as rice, eggs and milk.3.too much：修饰不可数名词，也可用作状语。too many：修饰可数名词，不可用作状语。 much too： 表示程度，修饰形容词或副词。e.g. There is too much snow and ice. You talk too much. There are too many people in the park last Sunday. I dont like winter because its much too cold.4.offer 提供；给予（表示主动给予）e.g. I have been offered a job. He offered me his pencil.（主动）提出e.g. He offered to lend me some books. She kindly offered to show us around. 出价；拿出售e.g. I offered him $1,000 for the house.（offer money for sth） The next morning we offered our boat for sale for six dollars.提供；提出 e.g. Thank you for your offer to help. He promised to make an offer of support.5. keep up with / keep up ones courage / catch up with6.be good for 对有好处be good to对好（指一方对另一方的态度）be harmful to对有害be bad for对无益e.g. Take a bit of bread; itll be good for you. Our headteacher is very good to us. Smoking is harmful to your health. Eating too much junk food is bad for us.7.keep sb. Doing 使某人做某事 keep sb. From doing = prevent / stop sb. (from ) doing阻止某人做某事e.g. The boss kept her working all day. The heavy snow kept us from going climbing.8. just: onlye.g. Just / Only a line to let you know that I have arrived in Shanghai.9.choose from 从中挑选 （from后接选择的范围）e.g. Therere 10 kinds of paper to choose from.There are so many beautiful pairs _ that I cant decide which to buy. A.to be chosen B.to choose from C.to choose D.for choosing (B)10. tell sb. sth.告诉某人某事（把某事直接告诉某人） tell sb. about sth. 告诉某人有关某事的情况e.g. Mary only told John the secret. First, Id like to tell you a few things about the factory.11. balance 权衡；对比；使平衡；抵消e.g. We must balance the two plans. Can you balance yourself on skates? 天平；平衡；均势；收支平衡e.g. weigh sth. in the balance be out of balance a favourable balance of trade keep ones balance lose ones balance on balance = in balance a balanced diet11. go for 也如此，对也适用；喜欢，偏爱；向攻击e.g. What he said about you goes for me, too. Do you go for modern music? They went for her in the newspaper.12.put on weight = gain weight发胖lose weight 减肥watch ones weight 注意节食have a weight problem 有肥胖病13. onlye.g. Only by doing so can you succeed.Only then did we realize the importance of learning English well. Only when he was in England could he practice English freely. Only Mr. Smith has been there.HomeworkAfter class, read the passage again and again until you can recite some sentenceThe Fourth PeriodGrammar Teaching Aims:1. Review the words learned in the last four periods.2. Learn and master model verbs: had better, should, ought to.Teaching Important Points:1. How to guess the missing word according to the given sentence.2. Let the students learn how to give advice or opinion about something, especially master how to use “should, ought to, had better and their negative forms” to give advice.Teaching Difficult Points:How to correctly use “should, ought to, had better and their negative forms” to give advice.Teaching Methods:1. Review method to consolidate the words learned in the last period.2. Explanation method to make the students master how to use “should(not), ought(not) to, had better(not)” correctly.3. Individual, pair work to make every student work in class.Teaching Aids:1.the blackboardTeaching Procedures: Step.GreetingsStep II. GrammarT: In our daily life, we often give advice or our opinion about something. When we give advice or show our opinions about something, we can use had better or had better not . When we are trying to advise someone what to do or what not to do, we can use should / ought to, should not / ought not to.T: Now please look at the Grammar page and read the sentences on it.Step III. PracticeT: Now we are going to do some exercises to practise the three model verbs. Do Exercise 1 on Page 5. Complete the following sentences, using should, ought to, had better or their negative forms to give advice. You may have various answers. First do the exercises individually and then we will check them together.Suggested answers:1. You have a bit of fever. You had better drink more water and have a good rest.2. You shouldnt smoke any more if you want to be healthy.3. If you are sick, you ought to go to see a doctor at once.4. Before you eat an apple, you had better wash it.5. You dont look well. You should let me make a careful examination for you.6. You have a bad cough. You oughtnt to go on working. You should have a good rest.7. This medicine will make you sleepy. You should take one pill now and one more in four hours time.8. There is nothing serious with your knee, but youd better take some medicine and have a rest.T: Now do Exercise 2 of the grammar on Page 6. Five minutes later, Ill show three of the students work on the project.Suggested answers:1. First, you ought to talk to your friend about it before the dinner.2. But if you dont want to ask her, then youd better do what she does at the table.3. Of course, you should try all the food you are offered.4. However, you shouldnt be too nervous. After all, youre her guest and she will try her best to make you feel comfortable.Step IV . Do Exercises on Page 75.Step . HomeworkI Todays homework: write Exercise 2 on the Page 74 in your exercise-books. The Fifth Perio