高中英语 Unit 2《Healthy Eating》introduction,reading and vocab教案1 新人教版必修3

Unit2 Healthy eatingTeaching Aims of this unit1. Talk about healthy eating2. Making suggestions or giving advice on diet3. Distinguish the meanings of Modal verbs4. Make a balanced menu5. Vocabulary:6. fiber,digestion,bean,slim,curiosity,lie,debt,glare,limit,benefit,item,protective get rid of, throw away, get away with, tell lies, earn ones living in debt ,set out run ones business ,carry on7. Speaking: Practice talking about your ideas; practice giving suggestions and advice, practiceseeing the doctor.8. The use o f ought toThe first period Warming up and readingStep Warming upReview the words of foods by showing their pictures. First, ask students to list the foods they like best. Then tick off 3 of them they eat most often. Second, show the three groups of foods and see which group their foods belong to. Third, ask the students to tell us in what ways their foods help them grow.Step Pre-readingGet the students to discuss the questions with their partners in this part. Then ask them to report their work. This part will help the students understand the text.T: Please look at the slide show and discuss the questions with your partners. Then Ill ask you to report your work. Are you clear?Which food contains moreExamples of foodsAnswerSugarChocolate or grapesCakes or bananasChocolateCakesFatCream or riceChocolate or chickenCreamChocolateFiberPeas or nutsPork or cabbageNutsCabbageproteinPotato crisps or hamEggs or creamHameggsStep ReadingGet the students to comprehend the passage quickly and accurately and meanwhile help the students to form a good habit of reading. Give the students a couple o f minutes to look through the whole passage. Tell the students to read the text silently and then ask for the main idea of the text on the slide show with their partners. Encourage the students to express their ideas.1. Fast readingIn this part ask the students to read the text quickly for the first time and find out the main idea of the text. Then ask them to read the text again carefully to obtain some details. Before reading show the tasks and let the students read the tasks first. This text will help them have a good understanding of the text.a. The two restaurants supplied the healthy diet.b. The reason why Yong Huis restaurant was so popular with customers.c. Wang Pengwei found out why he had lost his customers and decided to win them back2. Careful readingT: Now it is time for us to read the text carefully and decide which sentences are true. Then correct the false ones. First read the sentences.a. Usually Wang Pengweis restaurant was full of people. (T )b. Yong Hui served a balanced diet. ( F)c. Yong Hui could make people thin in two weeks by giving them a good diet. (F)d. Wang Pengweis customers often became fat after eating in his reataurant. (T)e. Yong Huis menu gives them energy foods. (F )f. Wang Pengweis menu gives tem foods containing fiber. (F )g. Wang Pengwei admired Yong Huis restaurant when he saw the menu. (F )h. Wang Pengwei decided to copy Yong Huis menu. (F )Step ComprehendingBy now, the students have had a further understanding of the text. Let the students read the text again and find out the differences between the two restaurant.T: Now please read the text again and fill in the chart together with your partner.disadvantagesadvantagesWang Pengweis restaurantNot giving enough foods containing fiberProvide plenty of energy foods Yong Huis restaurantNot giving enough energy foodsProviding plenty of fiber foodsT: Until now we have known whats wrong with both restaurant. What does it matter if you only eat at one of the restaurant?S1:S2:S3:T: You all have a point here. But what will they do? We will see it next period. Facing the serious competiton Wang wasnt lost in sadness and he didnt quarrel with his competitor either. He went to the library to learn more about healthy eating and made his menu better than Yong Huis menu. Do you think we should follow his example?Ss: Yes.T: Now lets deal with some language points. Turn to page 10, lets look at the sentences:a. Wang Pengwei sat in his empty restaurant feeling very frustrated.This sentence means that the second action “ feeling very frustrated” happened together with the main action “sat”. Pay attention to the form (v-ing) of the second action.b. Nothing could have been better.This sentence tells us that everything has worked out the way you would like. Its a sentence that we can use in any situation.c. He couldnt have Yong Hui getting away with telling people lies!This sentence means that he will punish Yong Hui for her telling lies.Step Homework1. Try to retell the text.2. Prepare for the language learning and do Using words and Expressions on WB (Page 49-50)The second period Language studyStep Revision1. Check the students homework.2. Ask some of the students to retell the text.Step Word studyThis part is a consolidation of the words in the text. Ask the students to do the exercise individually.T: Now please open your books and turn to page 11. Fill in the chart using the correct forms of the words which have the same root. Next activity is to match the definitions with the words we have learnt form the text. I necessary, you can discuss with your partners.Step GrammarThe students will learn the usage of modal verbs. First try to make the students clear the functions of modal verbs, with the help of the practice 1on page 12. Then give them some examples.T: Please pick out all the sentences containing modal verbs in the text.a. By lunchtime they would have all be sold-It indicates possibility.b. His restaurant ought to be full of people.-It indicates possibility.c. What could have happened?- It indicates possibility.d. Nothing could have been better.- It indicates possibility.e. Something terrible must have happened if Maochang was not coming to eat with him as he always did.-It indicates guessing.f. He could not believe his eyes. -It indicates intension.g. He wonder if he should go to the library to find out -It indicates duty.h. He wouldnt have Yong Hui getting away with telling people lies!-It indicates intension.Step Homework1. Review the rules of word formation and the meanings of modal verbs.2. Prepare the Using Structure on page 50 by making a dialogue in pairs.The third period ListeningStep Revision1. Check the using structure on page 50.2. Ask the students to make a short dialogue in pairs.Step Listening( using language)The students will hear what Wang Pengwei did after leaving YongHuis restaurant. Ask the students to finish the chart and answer the questions.T: OK. We have studied the text and know neither of the restaurant supplied a balanced diet. Lets listen to the tape and see how the story went on. Go through the text quickly on page 14.( Play the tape. Students write down the answers and check the answers with their partners.)T: Now listen to it again and try to make sure your answers are right.Energy-givingBody-buildingProtectiveRiceMeatFruitNoodlesFishvegetablesNutsTofubutterStep Listening (WB P48)The students will heat a conversation between Hong Mei and the doctor. They are asked to do exercise according to the tape.T: Doctor know that there are illnesses you may get if you do not eat properly. In the following part, we are going to listen to a dialogue. Hong Mei is going to see the doctor. Lets see how the doctor gives her some advice. Listen carefully and do the exercises.Red foods: stop (Only a little)Orange foods: be careful( some every day)Green foods: go( more every day)Butter, cream, nuts, cakes, foods fried in fatBread, noodles, rice, neat, cheese, egg, tofuAll vegetables( potato, cabbage, carrots.)Step Homework1. Pre-view the reading(2) and reading task on Page 52. See how the story ended.2. Find some information about healthy eating on the Internet.The fourth period Extensive readingStep Revision1. Check the homework2. Share the information the students have got form the Internet.Step Pre-readingAsk the students to read some proverbs and translate them into Chinese.T: Today we are going to see the end of the story. First, please look at the blackboard and try to translate the proverbs into Chinese.a. You are what you eat.b. An apple a day keeps the doctor away.c. First wealth is health.The students discuss with their partners.a. 人如其食.b. 一天一个苹果,医生不来找我.c. 健康是人生的第一财富.Step ReadingThe purpose of this reading is to complete the story of Wang Pengwei and Yong Hui and show the students that it is never too late to change bad eating habits and begin afresh. After the fast reading, let the students do the exercises on page 15. Then let them match the words with their definitions.T: Eating healthily means that no food in itself is good or bad. Eating properly depends on eating the right variety of foods in the right amount. Lets read the passage quickly and say what they did with their menu.Ask the students to report their work.What did they do?ResultCombine their menu and provide a balanced one1. raw vegetables with hamburgers2. the boiled potatoes, not fried3. fresh fruit with ice cream1. cut down the fat2. increase the fibre3. a big successThen find the words from the text to match the definitions.DefinitionswordsStare angrily or fiercelyGlareTake a long deep breathSighKeep alive in a certain styleEarn ones living Advantage or profitBenefitJoin or mix together to form a wholeCombineOwe a lot of moneyIn debtStep Homework1. Collect eating attitudes from the Internet2. Practice presenting reasons to support your ideas.The fifth period SpeakingStep RevisionCheck the studentshomework.Step Warming upT: Work in pairs to act out the dialogue on page 13. One plays as the role of Jane and the other plays the role of Susan. You are shopping in a supermarket.First let the students make a good preparation themselves. Then ask several pairs to act out the dialogue before the class. In this part the, try to make the class get active.Step TalkingIf young people are too thin or too fat, it shows that they are not eating a balanced diet. So this exercise is to encourage the students to discuss how their diets may affect their quality of life.( Divide the class into two groups: team A and team B.)T: Now team A will take the role o f the patient who is worried about being too fat and has gone to the doctor for advice. Team B will take the role of the doctor and advise the patient how to change his or her diet. Here are some useful expressions. Imagine what you will say to the doctor or patient. Discuss with your group members.DoctorPatientWhats the matter?What should I do ?How long have you been like this?What seem to be the trouble?I think you ought to.Do you think you could give me some advice?Perhaps you shouldI suppose you had betterStep Speaking taskThis is the opportunity for the students to discuss their reaction to the information they have received. It allows students to have their own point of view and to practice explaining why they think as they do.T: In the r