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2019-2020年高一英語下冊 Unit13 Healthy eating(第四課時)教案 大綱人教版第一冊 Teaching Aims: 1.Review the useful expressions learnt in this unit by making sentences with them. 2.Review how to use some Modal verbs to give advice or opinion about something. 3.Let students know how to write recipes for their favourite dishes by reading“SNACKS”and two examples of recipes. Teaching Important Points: 1.How to master Modal verbs—had better(not),should(not),ought(not)to. 2.How to let the students understand the text“SNACKS”better and learn to write a recipe. Teaching Difficult Point: How to improve the students integrating skills. Teaching Methods: 1.Asking-and-answering activity to go through the reading material. 2.Individual,pair or group work to make every student work in class. Teaching Aids: 1.a projector　2.the blackboard Teaching Procedures: Step Ⅰ. Greetings Greet the whole class as usual. Step Ⅱ. Revision T:Yesterday we learned the grammar—Modal verbs:had better,should,ought to and their negative forms.We know we can use them if we give advice or opinion about something.And we also know“had better”is less strong than“should”or“ought to”.Now lets do some exercises to see if you have mastered them.Look at the screen. (Show the following on the screen.) Translate the following into English. 1.你最好休息。 2.你最好不要吃不熟的水果。 3.對水果你應(yīng)該認真些。 4.你不應(yīng)該吃那么多垃圾食品。 5.你應(yīng)該更努力地學(xué)習(xí)，取得更大的成績。 T:You are given five minutes to translate them.Then Ill ask some of you to read your translation. Suggested answers: 1.You had better get some rest. 2.You had better not eat fruit that isnt ripe. 3.You should/ought to be careful with fruit. 4.You should not/ought not to eat so much junk food. 5.You should study harder and make greater progress. Step Ⅲ. Test T:Yeah.In this unit we have also learned some useful expressions.Maybe you still remember them.Yeah? Ss:Yes. T:OK.Now lets review them together.I speak Chinese,you speak English. (Teacher writes the following on the Bb when students say them.) all the time,in the future,plenty of,advise sb. to do sth.,too much,keep up with,be harmful to,go for,lose weight,be prepared for,be short of,have a fever T:Now lets have a test to see whether youve mastered them or not.Take out a piece of paper.Write the answers on it and then hand it in.Look at the screen,please. plete the sentences using the expressions on the blackboard. 1.What he said about you__________(對我也適用). 2.What do you want__________(將來做個什么樣的人)？ 3.She was laughing__________(一直)just now. 4.His parents__________(勸他不要再吃)chocolate any more. 5.During this month of hard work,many of us__________(降低了體重). 6.There are__________(許多書)on the shelf. 7.He was often ill because he__________(飲食過量). 8.Jack was not good at maths and he__________(跟不上)the rest of the class. 9.Smoking can__________(對……有害)your health. 10.Yesterday evening he__________(發(fā)高燒)and was sent to hospital. 11.Its going to rain.It doesnt matter;he__________(已有準備)it. 12.I__________(這周錢不夠開支);can you lend me some? Suggested answers: 1.goes for me too 2.to be in the future 3.all the time 4.advise him not to eat 5.have lost weight 6.plenty of books 7.ate and drank too much 8.couldnt keep up with 9.be harmful to 10.had a high fever 11.was prepared for 12.am short of money Step Ⅳ. Pre-reading T:OK.As we all know,people have to have food in order to live.In our country,corn and wheat are the main crops in the north,while rice is the main food in the south.In western countries,bread is very important.Bread to western is just like rice to Chinese in the south.It is westerners most widely eaten food and is often called “the staff of life”.But in actual life,snacks are also very important for chinese and foreigners.Do you often eat snacks? Ss:No,sometimes. T:Do you know what snacks are good and how to prepare a delicious snack? Ss:No. T:Yeah,today well learn a passage about snacks.Lets learn the new words and phrases. (Show the following on the screen and explain them to the students.) Step Ⅴ. Reading T:Now open your books on page 6.Look at reading and writing.Now you are given four minutes to read the three passages.Then answer some questions. (Students begin to read.After a while,teacher checks their prehension.) T:OK.Now from the text we know even if we choose nutritious food for our main meals,we still need to refud now and then.Who knows by what we can give our body and brain more energy? S1:(One student stands up)I know.We can give our body and brain more energy by eating snacks. T:Yeah.Sit down,please.What snacks are good?Can you give us an example?(Teacher es up to another student.) S2:Good snacks should not have too much fat or sugar.Fruits and vegetables are best snacks.Because they can give our body and brain much energy and much vitamins. T:Very good.Sit down,please.Attention,please.Another question:Is it difficult to prepare a delicious snack,then? Ss:No.Snacks are usually easy to make. T:Is there any good for us to make a snack? S3:(Another student stands up.)Yes,it can give us a chance to practise our cooking skills. Step Ⅵ. Writing T:OK.You are right.The text also shows us two recipes.Weve known the ingredients of shaomai and Chicken Rooll-ups and how to do them.Now please write alone the recipe for your favourite dish or fast food,then you can exchange to check your writing in pairs.Ill collect your papers in eight minutes.Of course,when you write the recipe,you need to explain what ingredients will be needed and how they will be used.You must also be careful to explain each step carefully and in the right order.Are you clear? Ss:Yes. T:OK.Please do it. Suggested recipe: A Recipe of Wonton Wonton Ingredients:Pork,Chinese Chives,Salt,Gourmet Powder,Wonton skins.Cut the pork and Chinese Chives into pieces.Mix the pork and Chinese Chives in a bowl.Put half a spoonful of salt and a little gourmet powder into the bowl and stir them with chopsticks.Fill and fold the skins.Boil Wonton in boiling water for 3 or 4 minutes. Step Ⅶ. Summary and Homework T:In this class,weve reviewed the useful expressions and the modal verbs in this unit.And weve also learned something about snacks and recipes.We practise how to write a recipe.After class,go over all the important points learned in this unit and try to write more recipes.Prepare for next unit.Class is over. Step Ⅷ. The Design of the Writing on the Blackboard Unit 13　Healthy eating The Fourth Period all the time,in the future,plenty of,advise sb. to do sth.,too much,keep up with,be harmful to,go for,lose weight,be prepared for,be short of,have a fever Step Ⅸ. Record after Teaching _____________________________________ _____________________________________ _____________________________________ _____________________________________