约8090字。

　　Unit 2  Healthy eating
　　【重点词汇】
　　1. diet n．日常饮食　vi. 节食  vt. [医] 照规定饮食
　　Children who are not active or whose diet is high in fat will gain weight quickly.
　　不爱运动或者饮食脂肪含量偏高的孩子会很快发胖。
　　No sugar in my coffee，please. I’m dieting. 请不要给我的咖啡放糖，我在节食。
　　The doctor is dieting me severely .医生要我严格忌口。
　　2. balance n.天平，平衡；余额，余数  v. 平衡；权衡   balanced adj. 均衡的
　　Try to achieve a better balance between work and play. 争取把工作和娱乐更好地结合起来。
　　I must check my bank balance (=find out how much money I have in my account).
　　我要核对一下我在银行的余额（看我的帐户上有多少钱）。
　　You have to balance the advantages of living in the countryside against the disadvantages.
　　你得权衡一下住在乡下的好处和坏处。
　　You'd better keep a balanced diet for the benefit of your health. 为了有益于身体健康你最好均衡饮食。
　　3. lie  n．谎话，谎言  vi.说谎；躺下；位于,处于某种状态(或地位)
　　He didn't finish his homework last night so he told a lie.他昨天晚上没有完成作业，所以他说了谎。
　　You could see from his expression that he was lying to us. 从他的表情上你可以看出他在对我们撒谎。
　　The survivors lay on the beach, exhausted and shocked. 幸存者们躺在沙滩上，疲惫不堪又深感震惊。
　　The supermarket lies opposite our college.超市正对着我们学院。
　　She told me that happiness lies in helping others. 她告诉我快乐的真谛在于帮助他人。
　　The town lay in ruins after a heavy bombardment.在猛烈轰炸以后城镇成了一片废墟。
　　4. strength n．[U] 力量，体力；n.[C] 长处，强项 strengthen vt.加强，增强
　　Practising Chinese can not only build up one's strength, but also develop one's character.
　　练习中国功夫不仅能够增强人的体质，还能培养人的性格。
　　To make members of a team perform better, the trainer first of all has to know their strengths and weaknesses.
　　为了使队员在比赛中表现得更好，教练首先要了解他们的优势和劣势。
　　Our friendship has steadily strengthened over the years. 我们的友谊逐年加深。
　　5. consult  vt.& vi.请教；向……咨询；与人商量；查阅
　　Have you ever consulted a feng shui master to help change your luck in the office or at home?
　　你是否曾经咨询过风水大师来帮助你改变在办公室或在家里的运气吗？
　　The teacher advised us not to consult the dictionary for every new word.
　　老师建议我们不要每个新单词都查词典。
　　6. benefit vt.使……受益，得益；n.好处，利益；优势
　　The warning sign was put there for the benefit of the public. 那儿设立了警告牌以引起公众的警惕。
　　Moderate exercise will be of much benefit to you.适度运动对你有很多益处。
　　I benefit from reading a lot. 我从阅读中受益匪浅。
　　Please go to the country.I think the fresh air there will benefit you.
　　请到乡下去，我认为那里新鲜的空气会对你有益的。
　　7. limit vt. 限制；限定　n. 限度；界限
　　There is a limit to one's life, but no limit to serving the people.人的生命是有限的，但为人民服务是无限的。
　　They were limited to a discussion of these two topics.他们只能讨论这两个话题。
　　China has set a limit on melamine level in dairy products.中国已限制乳制品中三聚氰胺的含量。
　　My life is limited, but learning is limitless.吾生也有涯，而知也无涯。
　　【重点短语】