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2019-2020年高一英語下冊 Unit13 Healthy eating(第一課時)教案 大綱人教版第一冊 Ⅰ.Teaching Goals: 1.Talk about eating habits and health. Talk about seeing the doctor. Practise giving advice and making suggestions. 2.Use the modal verbs:had better,should and ought to Learn some useful cooking terms. Read and write recipes. Ⅱ.Teaching Time: Four periods Ⅲ.Background Information: 1.Healthy diet Most people,young or old,dont know how to plan a healthy diet.Some people eat too much,and some eat too little.Many people dont eat breakfast at all except for a cup of coffee,and most people eat a very heavy and greasy dinner.One important factor in a healthy diet is balance.A balanced diet contains enough amounts of food for the three meals of a day and a variety of foods such as vegetables,fruits,eggs,milk,cereals(谷類食品)and meat.For breakfast,which starts you off on a long days work,you need enough food to provide you with enough energy.Lunch is equally important.If you dont store enough energy at lunchtime for a long afternoon of work,you will easily feel tired.But after dinner,normally you relax yourself and dont need much energy,so its preferable to have a light dinner.Moreover,varieties of food give you different kinds of nutrients your body needs.If your diet lacks variety,you are bound to be deficient in nutrition.Your diet is essential to your health.If you often feel tired or fall sick,its likely that you dont have a balanced diet. 2.Fast food Its Saturday afternoon and you are downtown with your friends.Youve been shopping all morning and youre hungry!But where are you going to eat?Theres a good chance that youll go to a fast food restaurant like Pizza Hut,Burger King or Wendys.The biggest problem is choosing one because there are so many. In the last thirty years fast food has bee a major part of our diets.Fast food is cheap,easy to find and easy to eat.You can even eat a burger while you are driving.Try doing that with a bowl of spaghetti(意大利面條)!Families stop at Pizza Hut on the way home from a day trip.Young people meet at McDonalds for a burger at lunchtime.Busy office workers buy nice sandwiches at Subway(賽百味三明治店).Its so quick and easy. But is fast food healthy?Richard Benton is a nutritionist and he says that fast food can be healthy food.“Most fast food restaurants have healthy choices like salads and thin chicken sandwiches,”he says.“Fast food is OK as long as you dont eat too much of it.” People who do eat too much fast food can have health problems.In the United states,300 000 people a year die from illness related to obesity(肥胖癥).Twenty percent of children in the United States are overweight.The problem has spread as Western fast food has bee popular in countries like China,India and Japan.Five to ten percent of Chinese children are now overweight. Also,some fast foods have a lot of fat and sugar.Some health experts believe that high-fat and high-sugar foods change childrens behavior.A recent study in Japan found that badly behaved children ate more fast food than well-behaved children. The good news is that fast food is changing.It is being healthier.Thai,Turkish(土耳其的),Japanese and Filipino fast food is being popular in the United States.You can have a quick snack in Elephant Jump(Thai),Jollibee(Filipino)or Yoshinoya(Japanese)if you dont want a pizza. The First Period Teaching Aims: 1.Learn and master the following: Words:sweet,mushroom,fried,junk food,fat,snack,stomach,fever,salad,peach,ripe,ought,examine,plenty Phrases:all the time,have a fever,be careful with,plenty of Sentence Patterns: (1)advise sb.(not)to do sth. (2)Theres something wrong with…. Everyday English: Patient:Ive got a pain here.This place hurts. Theres something wrong with my back/my knee/my arm.I dont feel well. Doctor:Lie down and let me examine you.Let me have a look.Where does it hurt?Drink plenty of water and get some rest. 2.Train the students listening ability. 3.Develop the students speaking ability by describing,talking and discussion. Teaching Important Points: 1.Train the students listening ability. 2.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: 1.How to improve the students listening ability. 2.How to finish the task of speaking. Teaching Methods: 1.Listening-and-answering activity to help the students go through with the listening material. 2.Individual,pair or group work to make every student work in class. Teaching Aids: 1.a tape recorder 2.a projector 3.the blackboard Teaching Procedures: Step Ⅰ. Greetings and Lead-in T:Hello,everyone. Ss:Hello,teacher. T:Sit down,please.Now the Spring Festival has just passed by.The new term has begun.Maybe all of you had a good time and got a lot of good things to eat and drink during the Spring Festival.Yes or no? Ss:Yes. T:OK.But whether most of the food you eat is healthy food or not,do you know? (Students may have different opinions.) T:Maybe some of the food is junk food.Do you know what junk food means?(Bb:junk food and explain it)“junk food” means “垃圾食品” in Chinese.Today were going to learn Unit 13 “Healthy eating”.(Bb:Unit 13 Healthy eating The First Period)“The First Period”. Step Ⅱ. Warming-up T:First lets look at some new words. (Show the following on the screen.) (Teacher teaches the words and explains them,then says the following.) T: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 Picture 4 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. …… T:OK.What you said is all correct.Now look at these pictures.Lets practise in pairs.One must tell your partner if it is junk food or healthy food.Of course,youd better give reasons for your decisions.For example.Look at the seventh and third pictures,you can do it like this.I think that ice cream is junk food because it has a lot of fat and sugar.But I think that vegetables are good food because they contain lots of vitamins.Do you understand how to do it? Ss:Yes. T:OK.Please practise in pairs. (Students begin to practise and teacher goes among them and helps them if nessary.After a while,teacher says the following.) T:Stop here,please.Now look at the table on the screen.(Show the following on the screen.)Each of you takes out a sheet of paper.Make a list of the foods you often eat first.Then four persons are a group.One reads your list of foods,the others decide if what you eat is junk food or not.Is that clear? Name Food Junk Food/Healthy Food Breakfast(Snack) Lunch Dinner Ss:Yes. T:OK.Please do it. (Teacher goes among the students to check their writings and practice.) Step Ⅲ. Listening T:Now lets do some listening.Look at the listening part.Listen to what happened to Mike and then answer the questions below.It needs your listening carefully.Of course,you should write down some key words when you listen.At last Ill check he answers with the whole class.Is that clear? Ss:Yes. T:All right.Lets begin. (Teacher plays the tape for the first time.Then play for the second time,during this time,teacher may pause for students to write down the information.Play some parts of the tape more times if necessary.Finally teacher checks the answers with the whole class.) Step Ⅳ. Speaking T:In our daily life,sometimes we may feel unfortable and go to see a doctor.Do you know how to talk with a doctor in English?Now look at the screen.These are very useful words and phrases.You should remember and use them freely.(Teacher and students go through with the following together.)(Show the following on the screen.) Useful words and phrases Patient Ive got a pain here. This place hurts. Theres something wrong with my back/my knee/my arm. Doctor Lie down and let me examine you. Let me have a look. Where does it hurt? Drink plenty of water and get some rest. T:Now go back to the speaking part in the text.First look at the three given situations. (Teacher asks three students to read aloud the situations one by one.One student,one situation.Then teacher says the following.) T:Now close your books.Lets listen to a dialogue at the doctors.Sharon is visiting a doctor,Dr Yang.Listen carefully,and try to remember some information.After that,Ill ask you two simple questions. (Teacher plays the tape recorder,then asks the following questions.) T:What was the matter with Sharon? Ss:She has a pain. T:Why does she have a pain?Do you know? (Teacher goes up to a student.) S:Im sorry Im not sure of the reason.Maybe she ate something bad. T:Yes or no? T and Ss:Yeah.Because she ate some fruit that wasnt ripe. T:Now open your books.Please read the dialogue.If you have some difficulty in understanding the dialogue,you can ask me. (Teacher goes round the class and helps the Ss understand some difficult sentences.After a while,teacher explains to the Ss some language points.) T:Look at the screen.I explain some difficult language points now. (Show the following on the screen and explain them.) 1.all the time:all the while e.g. Mary went to college in her home town,and lived at home all the time. 2.have a fever e.g. Yesterday evening he had a high fever and we took him to a hospital. 3.be careful with≠be careful of e.g.Youd better be careful with your pronunciation. The public was warned to be careful of rats. 4.in the future≠in future e.g.Who can tell what the puter will be like in the future? Youd better not go out alone in future. 5.advise sb. to do sth. e.g.The doctor advised her to drink more water. The doctor advises him not to eat chocolate any more. (Bb:all the time,have a fever,be careful with,in the future,advise sb.(not)to do sth.) Step Ⅴ. Practice T:OK.Have you any questions? Ss:No. T:Well,if you have no questions,please practise in pairs.First choose one of these three situations and make a dialogue.Then act it out.After a while,Ill ask some pairs to perform before class. Suggested answers: Situation 1 A:Whats the matter with you? B:My left arm is broken.It really hurts. A:Let me check your arm.Does it hurt when I press here? B:Yeah,it hurts terribly. A:You must be hospitalized right now and treated for a fracture of the bone. B:Oh God!I really dont know what to do. A:Cheer up,boy!Youll be all right soon. B:Thanks. Situation 2 A:What can I do for you,young man? B:I cough all the time.I have a fever and a headache. A:Open your mouth please,and show me your tongue.How long have you been like this? B:Two days.Is that serious? A:Well,its nothing serious.Take this medicine three times a day.Youll be all right soon. B:OK.Thank you.Goodbye! Step Ⅵ. Summary and Homework T:In this class weve done some listening and speaking.And we know which food we eat is healthy food and which food is junk food.Of course weve also learned some useful phrases.I hope you can master them after class(Teacher points to the blackboard)and preview the reading material“We are what we eat”.So much for today.Goodbye,everyone. Ss:Goodbye,teacher. Step Ⅶ. The Design of the Writing on the Blackboard Unit 13　Healthy eating The First Period all the time,have a fever,be careful with,in the future,advise sb.(not) to do sth. Step Ⅷ. Record after Teaching _____________________________________ _____________________________________ _____________________________________ _____________________________________