教学目标
Teaching aims
通过本单元的教学，学生了解有关急救的常识，在生活中如何处理一些突发事件，然后实施紧急救护等总结，归纳情态动词的用法，如：should/shouldn’t; must/mustn’t ;ought to等表示义务和责任的用法。
Teaching important and difficult points
1.Words
knee, still, bite (bit, bitten/bit), lay (laid, laid), mouth-to-mouth, bum, cut, electric, container pool, breathe, within, handkerchief, wound, safety, wire, guard, sideway, firm, firmly wherever, stomach, injure, injured, injury, poison, quantity, nearby
2.Phrases
first aid, ought to, medical care, by mistake, pay attention to, in a short while, deal with, take it easy, running water, out of one’s reach, throw up, hold up
3. Useful expressions
We must carry her to the side of the road.
You mustn’t move someone if they are badly hurt.
Parents should know some first aid.
You shouldn’t get up if you are badly hurt.
I ought to go home.
I have to cook supper for my grandmother.
4. Grammar
Revise Modal Verbs : must, should
Study Modal Verb: ought to
教学建议
课文建议
教师安排学生大声朗读课文，理解课文含义，通过阅读，教师对学生可小组讨论，提问，口语练习，复述急救方法等，教师给学生展示几组图片，帮助学生学会一般的急救措施和家庭安全常识。
写作建议
教师布置学生写作的题目及要求，教师给学生几分钟时间进行讨论，教师给学生一些关键的词语，如：breathe, First Aid Centre, handkerchief, mouth-to mouth so on.之后，教师给学生十分钟左右时间开始写，最后教师请几位同学朗读，教师给予讲评。
教材分析
本单元是围绕First aid, Safety in the home,展开话题。对话课中描述两个学生在街上看到一个女孩从自行车上摔下来的经过，同时对话中使用了情态动词的用法，课文中附有图片和口语练习，帮助学生了解急救的重要性及有关的常识。
