现代医用英语.ppt

1、现代医用英语,Master English for Medical Purposes,Unit 11 Food,Session 1 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.

2、 毒素 organism n. 有机体 prevalent a. 流行的,hygiene n. 卫生 infect vt. 传染， 感染 attribute vt. 把归因于 gastrointestinal a. 胃肠的,Words to know,gastrointestinal a. 胃肠的,gastritis 胃炎,gastric 胃的,gastr(o) (词干)胃,Questions to answer,1.What does food poisoning refer to?,It refers to any illness caused by eating contaminated

3、 food, which may contain toxin produced by organisms, bacteria and other poisons.,2. When is food poisoning prevalent?,Questions to answer,In the summer months.,3. What can we do to prevent food poisoning?,Questions to answer,Careful hygiene and food handling practices is OK to prevent most cases of

4、 food poisoning.,4. What is the disadvantage of mass production?,Questions to answer,It has increased the opportunity for for food poisons to infect large populations.,I. Comprehension check,1. Food poisoning is caused by_.,2. Food poisoning is usually seen in _.,3. Food poisoning can occur in the _

5、 and _.,4. Most cases of food poisoning can be pre-vented by _and food handling practices.,contaminated food,summer,restaurant,home,care hygiene,True ( T ) or False ( F ) exercises,1. People who have eaten contaminated food may suffer from food poisoning.,2. Food poisoning is rare in our daily life.

6、,3. Food poisoning usually occurs in winter.,4. The mass production of food has decreased the opportunity for food poisoning.,(T),(F),(F),(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 ill-ness caused by eating contamina-ted foo

7、d.,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.,现在分词（V+ing）,过去分词（V+ed）,分词,分 词,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。,It is now pos

8、sible 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.,II. It is for sb.to do sth.,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,1. w

9、hen 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 ,III. 现在完成时,构成：have / has +done (主动语态）have /has +been done（被动语态）,用法：表示过去的行为或状态对现在的影响或其状态

10、延续到现在,现在完成时与过去时的比较,现 在 完 成 时,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 didnt 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 reporte

11、d 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 disco-very as the most exciting new deve-lopment in this field.,The figures in the left-hand column refer to our overseas sales.,have experience in doing sth. 有过做某事的经历,I had experience in teaching English for medical purpose.,experience n. & v.,Our country has experienced gr