约3730字。
　　高中英语必修三第二至四单元教学指导
　　高中英语必修三Unit 2 Healthy Eating 教学指导
　　Unit 2. Healthy Eating
　　1.Topics:Problems with diet ;Balanced diet and nutrition
　　2.Words and expressions
　　3.Functions:
　　1)Suggestions and advice
　　You must /must not…; What should I do?
　　I thin ought to …; I suppose you had better…
　　Perhaps you should…
　　Do you thin could give me some advice?
　　2)Seeing doctors
　　What’s the matter? What’s wrong?
　　What seems to be the trouble?
　　How long have you been like this?
　　3)Agreement and disagreement.
　　I don’t agree. Of cause not. I don’t think so.
　　All right. That’s a good idea.
　　No problem. Certainly /sure
　　Yes, I think so. I’m afraid not.
　　4. Gramma: The use of ought to
　　You ought to cook fresh vegetables and meat without too much fat
　　If you want to stay slim.
　　You ought not to eat the same kind of food at every meal.
　　Period 1.
　　Step 1. warming up
　　1. Do you eat a healthy diet? What kind of food do you usually have for meals? Are the food you usually eat healthy food or unhealthy food?(Discuss in pairs)
　　2. Name some healthy food and unhealthy food.
　　healthy food unhealthy food.
　　All vegetables: cabbages, Fatty food: French fries
　　Peppers tomatoes potatoes roast pork/lamb
　　All fruits: apples, grapes sugary food:chocolate
　　Strawbaries bananas pears sweets/honey ice-
　　Dairy produilk cheese salty food:can biscuit
　　Seafood: shrimp cookies
　　Tofu eggs
　　3. Do you know that the food you eat helps you grow in different ways? Some will ma fat/tall/thin.Look at the below,and see which kind of food they.
　　FOOD TO GIVE YOU ENERGY FOOD TO GROW BONES
　　AND MUSCLE Foods that fibre for
　　digestion and health