约4090字。

　　Unit 8 First aid 
　　一、教学目标与要求
　　通过本单元教学，学生了解有关急救的常识，总结、归纳情态动词的用法，尤其是使用should／shouldn’t；must／mustn’t；ought to等表示义务和责任的用法。学生应能在理解的基础上，用较为流利的英语表达在生活中如何处理一些突发事件，然后实施紧急救护等；通过对情态动词的归纳、总结，学生应能正确地运用所学的情态动词在不同的场合，表达各种情感；正确完成练习册安排的练习。
　　二、教学重点与难点
　　1．重点词汇 breathe；ought to；within；injure；lay；deal；electric；firm；firmly；wherever；first aid；take it easy；mouth－to－mouth；hold up；deal with；out of one’s reach；by mistake；throw up；pay attention to；in a short while
　　2．重要句型 1）First aid is the science of giving medical care to a person before a doc－tor can be found． 2）First aid，if it is quickly and correctly given，can save a person’s life．3）Mare that electric wires are safe and that children can’t touch them．
　　3．语法情态动词（Modal Verbs）。
　　4．日常交际用语 义务和责任（Obligation）1）We must carry her to the side of the road．2）You mustn’t move someone if they are badly hurt．3）You shouldn’t swim immedi－ately after a heavy meal．4）I ought to go home．5）I have to coopper for my grandmoth－er．6）You need to find help from a nearby hospital．
　　三、课型
　　（一）对话课
　　Ⅰ．教具  录音机、投影仪。
　　Ⅱ．课堂教学设计
　　1．教师通过向学生提出下列问题导入本课：Nowadays there are a lot of road accidents．Suppose you meet with one of these accidents，what would you do in such a situation？
　　由学生讨论以上问题，引出有关急救的话题。
　　2．准备放对话录音。借助投影片打出以下听前提问：1）Where does the conversation take place？2）Does the girl know what happened to her？
　　放录音一至两遍，请学生回答上述问题，教师予以必要订正。
　　Key：1）The conversation takes place somewhere in the street．2）No，she does not．
　　3．根据本课对话内容，教师再提出一些问题，检查学生的理解程度。
　　1）What are Chen wei and Susan doing when they see the accident？2）What happened to the girl？3）Why does Susan not agree to carry the girl to the side of the road？4）Who do you think will come in a moment？Why？5）What was the girl going to do？
　　Key：1）They are walking down the street when they see the accident．2）The girl has fallen off her bicycle．A child ran into the street and knocked her off her bicycle．3）Probably Susan has learned something about first aid．People mustn’t move someone if they are badly hurt．They should leave the person where he or she is．4）Some doctors and nurses will come．Because Chen Wei has just called the First Aid Centre．5）The girl was going to coopper for her grandmother．
　　4．再次放对话录音，学生跟读。将学生分为三人一组练习对话。数分钟后，请两三组同学到前面表演。教师指导学生归纳本课中有关表示义务和责任（Obligation）的常用语句（见日常交际用语部分）。组织学生两人一组，讨论书上所列题目，尽量使用在对话中出现的表示义务和责任的常用语句。