人教课标 高二 必修 5 Unit 5,Unit 5,Warming up,What is first aid?,What things at home can be dangerous?,electrical equipment,electric wires,poisons,knives,hot water,glass,gas,pets,Brainstorming,What words can you think of when you talk about accidents and first aid?,drown,bleed,choke,burn/catch fire,cut,a bloody nose,a snake bite,sprained ankle,a broken arm,Accident First aid,What kind of first aid would you perform in this situation? Make a list of your ideas.,Pre-reading,Cool the area of skin. Wash it under the cold running water. Cover the wound with bandage / clean cloth. See a doctor if necessary.,skin organ barrier poison ray complex variety,n. 皮; 皮肤 n. 器官 n. 屏障; 障碍物 n. 毒药; 毒害 vt. 毒害; 使中毒 n. 光线; 射线 adj. 复杂的 n. 变化; 多样化,Words preview,liquid radiation mild mildly pan stove tissue swell,n. 液体 n. 辐射; 射线 adj. 轻微的; 温和的 adv. 轻微地; 温和地 n. 平底锅; 盘子 n. 炉子; 火炉 n. 组织; 手巾纸 vt. 隆起,scissors unbearable basin bandage vital,n. 剪刀 adj. 难以忍受的 n. 盆; 盆地 n. 绷带 adj. 至关重要的； 生死攸关的,electric shock squeeze out over and over again,触电; 电休克 榨出; 挤出 反复; 多次,Expressions preview,First Aid For Burns,Read the text quickly and complete the main idea of it. The text mainly introduces _ types of burns and their characteristics as well as how to give _ when burns happen.,first aid treatment,three,I. Read the text carefully and fill in the blanks.,Burns,Types,swollen,white,watery,tissue,nerves,jewellery,cool,an hour,higher,Dry,bandage,II. Choose the best answer. 1. In the text, burns are sorted according to the _ of the skin burned. layer B. function C. type D. area,2. When cooling burns, cool water is used to do the following EXCEPT _. stop the burning process B. prevent the pain becoming unbearable C. reduce swelling D. prevent any blisters being broken,In which order are these topics covered in the text? Number them from 1 to 5.,_ the three types of burns _ what to do if someone gets burned _ the functions of the skin _ the symptoms of burns _ how we get burns,3,1,4,2,5,2. Label these pictures with first, second and third degree burn.,second degree,first degree,third degree,The three layers of skin:,The third layer,The second layer,The top layer,3. Answer the questions.,1. Why should you put cold water on a burn?,Because the cold water stops the burning process, stops the pain and prevents or reduces swelling(肿).,2. Why doesnt a third degree burn hurt?,Because in a third degree burn the nerves have been damaged. If there are no nerves, there is no pain.,3. Why do you think clothes and jewellery near burns should be removed?,Because bacteria from the clothes and jewellery could infect the burns.,4. If someone has a third degree burn, why might you see tissue?,Because all layers of the skin have been burnt showing the tissue underneath.,1. Sam knocked over a kettle full of boiling water onto his legs. His legs became red, swollen and covered with blisters. Sam broke the blisters and poured icy water from the fridge onto the skin. ( ),W,4. Read the first aid treatments for these burns. If the treatment is right, write R. If it is wrong, write W and explain why.,2. While ironing clothes, Miss Good accidentally touched the iron. Her wrist blistered and became watery. It hurt a lot. She put her wrist under the cold water tap and then kept placing cool, clean, damp cloths on it until it was less painful. Then she went to see the doctor. ( ),R,3. Mrs Caseys sleeve caught fire while she was cooking. Her arm looked terrible but it didnt hurt. The skin was charred. Her husband took off her blouse and picked off bits of the blouse stuck to the burn. He then placed butter on the burn and covered it with a wet bandage. ( ),W,4. After an hour in the sun, Lily noticed her arms were red and hurt a bit. She went home and put them under cool running water. ( ),R,Try our best to give them effective first aid if they are in danger.,Life is precious,We should care about others, and help people in an emergency.,If you have time, please know more about First Aid.,Get more about first aid from the newspaper, magazine or the Internet. Find out the important and difficult words and expressions to you and finish exercises on page 36.,Thanks for listening!,