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现代医用英语 Master English for Medical Purposes 主讲 曾仲贤 Unit 11 Session 1 Food Food Poisoning Session 2 Word Building Session 3 Activity Session 1 Food Poisoning Words to know Reading-Centered Activities Questions to answer/exercises Language Focus Useful expressions Words to know contaminate vt. 污染;弄脏 toxin n. 毒素 organism n. 有机体 prevalent a. 流行的 Words to know hygiene n. 卫生 infect vt. 传染, 感染 attribute vt. 把……归因于 gastrointestinal a. 胃肠的 gastrointestinal a. 胃肠的 gastr(o) –(词干)胃 gastritis 胃 炎 gastric 胃 的 Questions to answer 1.What does food poisoning refer to? It refers to any illness caused by eating contaminated food, which may contain toxin produced by organisms, bacteria and other poisons. Questions to answer 2. When is food poisoning prevalent? In the summer months. Questions to answer 3. What can we do to prevent food poisoning? Careful hygiene and food handling practices is OK to prevent most cases of food poisoning. Questions to answer 4. What is the disadvantage of mass production? It has increased the opportunity for for food poisons to infect large populations. I. Comprehension check contaminated food 1. Food poisoning is caused by____________. 2. Food poisoning is usually seen in ________. summer restaurant 3. Food poisoning can occur in the _________ and _______. home 4. Most cases of food poisoning can be prevented by ___________and food handling care hygiene practices. True ( T ) or False ( F ) exercises 1. People who have eaten contaminated food may suffer from food poisoning. (T) 2. Food poisoning is rare in our daily life. (F) 3. Food poisoning usually occurs in winter. (F) 4. The mass production of food has decreased the opportunity for food poisoning. (F) Language Focus I. 分词 II. It … for sb. to do sth. III.现在完成时 IV. It is believed … I. 分词 1. Food poisoning refers to any illness caused by eating contaminated food. 2. The food may contain toxins produced by organisms, bacteria and other poisons. 3. Food poisoning remains a fairly common illness affecting about one in three people each year. 分词 现在分词(V+ing) 分词 过去分词(V+ed) 现在分词:作定语时与其所修饰的名 词是主谓关系,表示正在进行的动作。 过去分词:作定语时与其所修饰的名 词是动宾关系,表示的动作在谓语动 作之前已经发生。 II. It is … for sb.to do sth. It is now possible for food to become contaminated in one country and cause outbreaks of food poisoning in another. a. It 作形式主语; b. 不定式短语作主语后置; e.g. How much does it cost for a patient to have an operation for appendic itis? -itis (后缀)炎;炎症 hepatitis 肝炎 arthritis 关节炎 arthr-(词干) 关节 III. 现在完成时 1. …when foods have been left out of the fridge for some time. 2.Most people have experienced food poisoning at some time … 3. The mass production of food has increased the opportunity for food poisons to infect large … 构成:have / has +done (主动语 态)have /has +been done(被动语 态) 现 在 完 成 时 用法:表示过去的行为或状 态对现在的影响或其状态延 续到现在 现在完成时与过去时的比较 现在完成时与过去时 现在完成时和一般过去时都表示过去 的动作, 区别在于该动作是否与现在发 生联系: 过去时的动作与现在无联系 而现在完成时的动作或结果一直影响到 现在, 也许还在持续。 e.g. I didn’t have my breakfast yesterday. (昨天是否吃早饭和现在没什么关系) I have already had my breakfast. IV.在科技英语中常见的句型: It is said (stated) that… 据说…… It must be admitted that… 必须承 认…… It is reported that… 据报道…… It is well-known that… 众所周知…… It is to be noticed that… 应该注意 到…… Useful expressions refer to 涉及;谈到,提到 The scientist referred to this discovery as the most exciting new development in this field. The figures in the left-hand column refer to our overseas sales. experience n. & v. have experience in doing sth. 有过做某事的经历 I had experience in teaching English for medical purpose. Our country has experienced great changes in the last 30 years. attribute … to … 把……归因于; He attributes his success to hard work / to working hard. 联想: attribute n. 特性、属性 attributive a. 限定的