词 汇 1. 四会词汇

diet, nut, bean, pea, cucumber, eggplant, pepper, mushroom, peach, lemon, balance, barbecue, mutton, roast, fry, stir-fry, ought, bacon, slim, curiosity, hostess, raw, vinegar, lie, customer, discount, weakness, strength, consult, fiber, digest, carrot, debt, glare, spy, limit, benefit, breast, garlic, sigh, combine

2. 认读词汇

protective, spaghetti, protein, crisp, kebab, sugary, muscle, calmly, cooperation

3. 词组

get away from, balanced diet, ought to, lose weight, tell a lie, win... back, earn one's living, in debt, spy on, cut down, before long, put on weight

语

法 The use of ought to

1. Statements

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.

2. Difficulty

Distinguish and summarize the usage of ought to and should.

Ⅲ. 教材分析与教材重组

1. 教材分析

本单元以"健康饮食"为中心话题，通过单元教学让学生了解各种食物对人体的作用，引导学生关注平衡膳食，促使学生养成健康饮食的习惯。针对现实中遇到的实际问题发表自己的看法。最后让学生运用所学知识，两人一组研究中餐，设计食谱。

1.1 WARMING UP 是本单元一个重要的组成部分。让学生看图讨论不同食物对人体的作用，了解饮食与人体健康的关系。通过几个设问激发学生思考自己的饮食习惯是否合理，运用已有的知识经验思考什么是Healthy Eating.

1.2 PRE-READING 通过一个表格和一个排序题引导学生对比不同食物中哪些食物富含脂肪、纤维素、维生素和糖份。可添加讨论如何在烹饪中保持食物营养，从而有利于健康。

1.3 READING 讲述王鹏伟和咏慧开饭店的不同风格和顾客对不同食品的反应，反映