2019-2020年高一英语下册 Unit13 Healthy eating(第三课时)教案 大纲人教版第一册.doc

2019-2020年高一英语下册 Unit13 Healthy eating(第三课时)教案 大纲人教版第一册Teaching Aims:1.Review the words learned in the last two periods.2.Learn and master modal verbs:had better,should,ought toTeaching 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.a projector2.the blackboardTeaching Procedures:Step . GreetingsGreet the whole class as usual.Step . Word StudyT:In the last two periods,we have learned something about diets.As we all know,wed better eat healthy food,eat less or junk food,and we should develop healthy eating habits.Only in this way can we keep up with the high pace of modern life.Of course,we have also learned some important words and phrases.Now lets review them.Open your books.Lets look at Word Study in this unit.You are given five minutes to find the words that fit the following descriptions.Read first,then fill in it according to the meaning of each sentence.Is that clear?Ss:Yes.T:OK.First do it by yourself.Then discuss them in pairs.After a while,Ill ask some students to read the words.(Teacher goes among the students and the students begin to do it.After a while,teacher checks their answers.)Suggested answers:1.nutrient 2.diet 3.vitamin4.mineral 5.fat6.sugar7.protein 8.caloryStep . GrammarT:Now I want you to translate several Chinese sentences into English.Look at the screen.(Show the following on the screen.)1.外面很冷，你最好穿上你的大衣。2.你最好别脱去你的大衣。3.我们应该尊敬老师与父母。4.你不应该这么粗心。T:Now how to translate these sentences?Who wants to try?Any volunteers?Yeah,Zhang Yi,you try,please.The first one.S:Its very cold outside.You had better put on your coat.T:Good,sit down,please.(At the same time,teacher writes the sentence on the blackboard.)the second,you,please.S:Im sorry I cant.T:Oh,sit down.Peter,you try,please.S:You had better not take off your coat.(Bb:You had better not take off your coat.)T:OK.Now look at the third and the fourth sentences.(Bb:3.We should/ought to respect our teachers and parents.4.You shouldnt/ought not to be so careless.)T:Now look at the blackboard.In our daily life,we often give advice or our opinion about something.Even were trying to advise someone to do or not to do something.In such an condition,well use the Modal Verbs“had better,should/ought to”.Of course,you should also pay attention to their negative forms.“Not”should be put behind“better”and“should”or“ought”.This point is very important.(Teacher underlines“had better,had better not,should,shouldnt,ought to,ought not to”as he speaks.)T:Now lets go back to the textbook.Look at the grammar:Modal Verbshad better,should,ought to.(Teacher begins to deal with it with the whole class,then with part 1.)Step . PracticeT:Look at part one.The doctor is giving adviceplete the following sentences,using “should,ought to,had better or their negative forms to give advice.”Youre given four minutes to do them.First do them by yourself.Then read to each other.At last Ill ask some students to read your advice.(Teacher goes among the students to check their filling,then picks out some typical advice and lets some students read them to the whole class.)Suggested advice:1.You have a bit of a 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.Youd better not eat it if it is not ripe.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.Theres nothing serious with your knee,but youd better take some medicine and have a rest.T:OK.We all know that most newspapers have an Advice Column.People can write and ask for advice about their problems.Have you read such letters asking for advice?Ss:Yes/No.T:Here is a letter.Please read it.(Show the following letter on the screen.)Dear Marty,Ive got a problem and as I dont know what to do I thought Id write to you and ask for your advice.Ive been working at a meat factory for about two months now.Its a part-time job,so I only work in the evening.Ive recently noticed that one of my workmates is stealing.From time to time,I notice that he puts a piece of meat down his trousers just before he leaves the factory.Now the manager has found that things are missing.He says that all this happened after I started work.What should I do?Please tell me how I can solve this problem.Id like to hear your advice.Best wishes,John(After two minutes,teacher says the following.)T:OK.Now stop here,please.Do you know how to solve the problem?Of course,different people have different ideas.Here are some advice.Lets look at them together.(Show the following on the screen.Teacher begins to deal with them with the students.)John should tell that workmate he knows what he is doing.John ought to go to the manager and tell him who is stealing meat.John shouldnt wait any longer.He should have reported that workmate to the manager as soon as he found out the workmate was stealing.Jonh had better check his bag every evening before going home.Because that man is a clever thief and he might put some meat in Johns bag,hoping John will be caught and called a thief.(After that teacher says the following.)T:Now lets go back to the text.Look at part 2.Youre given several minutes to read these letters.After that write down four pieces of advice for each letter.Of course,youd better use“should(not),ought(not)to,had better(not).”First do them by yourself.Then you can check each other.Is that clear?Ss:Yes.T:OK.Please do them.(Teacher goes among the students,then picks out several students to read aloud their advice for each letter.)Step . Summary and HomeworkT:OK.In this class,weve reviewed the new words we learned.In particular,we have learned the usage of modal verbshad better,should,ought to and their negative forms.After class,do more exercises to master them.Time is up.Thats all for today.See you next time.Step . The Design of the Writing on the BlackboardUnit 13Healthy eatingThe Third Period1.Its very cold outside.You had better put on your coat.2.You had better not take off your coat.3.We should/ought to respect our teachers and parents.4.You shouldnt/ought not to be so careless.Step . Record after Teaching_