Module 1 Our Body and Healthy Habits单元学案

ⅰword study1. 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