约43810字。

　　Module 1 Our Body and Healthy Habits单元学案
　　ⅠWord Study
　　1. diet:
　　(1) n[c].sort of food that is usually eaten by a person, community, etc; limited variety or amount of food that a person is allowed to eat, e.g. for medical reasons or in order to lose weight.日常饮食；规定食谱（如为治疗疾病或减轻体重）
　　e.g.
　　A balanced diet is good for our health. 均衡的饮食对我们的健康有好处。
　　My daughter doesn’t like a rich diet. 我女儿不喜欢油腻的饮食。
　　(2) vi. (be allowed) to eat only some foods or a little food, especially to lose weight.只（准）吃某类食物或少量食物；（尤指为减轻体重）节食
　　e.g.
　　I advise you to diet and take more exercise. 我建议你节食并多锻炼身体。
　　(3)常用短语：
　　be on a diet/go on a diet节食
　　e.g.
　　The doctor said I should be on a diet. 大夫说我应该节食。
　　She decided to go on a low-fat diet from this Monday. 她决心从本周一开始进行低脂肪的饮食疗法。
　　(4)辨析：food和diet
　　二者均表示食物; 但food是一般用语，指任何可吃的东西，diet通常指维持健康的特定或定量的饮食；diet是可数名词，food是不可数名词，但在强调种类时为可数名词。
　　e.g.
　　Many westerners like Chinese food.许多西方人喜欢中国食物。
　　Dad didn’t want my little sister to go on a diet though she was very heavy then.爸爸不想让我的小妹妹减肥尽管她那时很胖。
　　构词解析：
　　diet: n 饮食，日常食物 ；dieter: n 接受食物疗法的人；减肥者；dietary: adj 饮食的，规定饮食的
　　Practice
　　Put the following sentences into Chinese.
　　1. She didn’t eat much dinner because she is on a diet now.
　　________________________________________________
　　2. The doctor told him to take a fat-free diet
　　________________________________________________
　　Key for reference
　　1．她这顿饭没吃多少，因为她现在正在节食。
　　2．大夫让他进行无脂饮食疗法。
　　2. fit:
　　(1).adj. in good health, especially because of regular physical exercise; suitable or suited for sb/sth; good enough for sb/sth. 健康的；适宜的；合适的
　　e.g.
　　Don’t you feel fit? 你身体状况不好吗？
　　The water isn’t fit to drink.这水不适合喝。
　　(2). vi, vt to be the right size and shape for someone or something; to put a small piece of equipment into a place, or a new part onto a machine, so that it is ready to be used合适；安装
　　e.g.
　　This jacket fits her well.她的夹克非常合身。
　　She fitted a new lamp in her bedroom.她在卧室安装了一盏新灯。
　　(3)常用短语：
　　keep fit 保持健康
　　be fit for.../be fit to do...适合做......
　　e.g.
　　My grandfather keeps fit by taking a walk every day. 我祖父通过每天散步来保