约2760字。

　　Unit 2 Healthy Eating ——Language points教学设计
　　Step 1 Revision
　　Write out your answers according to the passage.
　　1. The weakness of the diet in Wang Peng’s restaurant was that it did not give ______________________.
　　2. The strength of the diet in Wang Peng’s restaurant was that it did not provided ________________________.
　　3. The weakness of the diet in Yong Hui’s restaurant was that it did not give __________________________.
　　4. The strength of the diet in Yong Hui’s restaurant was that it provided ______________________.
　　Keys: enough protective food
　　plenty of energy-giving food
　　enough of energy-giving food
　　plenty of protective food
　　Step 2 Language points
　　1. Everybody has to eat, but do you eat a healthy diet?
　　diet   n.  饮食，食物
　　diet指的是习惯的食物或规定的食物，特指维持健康的定量或定质的食物。
　　food是一般的用语，凡能吃能喝的具有营养的东西都称为food。
　　强调种类时，food 可用复数。
　　Proper _____ and exercise are both important for health.
　　Many sweet _______ are on sale in the store.
　　Milk is the _____ for babies.
　　Keys: diet   foods  food
　　【常用表达】
　　balanced / healthy / poor diet
　　均衡的/健康的/不良的饮食
　　vegetarian / high-fibre diet
　　素食/高纤维的饮食
　　a diet of fish / fruit / potatoes
　　只吃鱼/水果/土豆的饮食
　　be on a diet    节食
　　2. What will you happen to you if you don’t eat a balanced diet?
　　balance作动词，意为“均衡，权衡，保持平衡”。
　　e.g. Try to balance your diet by eating more fruit and less meat.
　　You have to balance the advantages of living in a big city against the
　　disadvantages.
　　balance作名词，意为“天平，平衡”。
　　e.g. Tom lost his balance and tipped backward in the chair.
　　The company’s success is reflected in its healthy bank balance.  
　　【常用表达】