高二英语人教版必修五精品课件unit5 warming up and

Unit 5 first aid warming up and reading Accidents will happen. 天有不测风云，人有 旦夕祸福。 Brainstorming: What words can you think of when you talk about accidents? Accident drown bleed choke burn/catch fire cut a bloody nose a snake bite sprained ankle a broken arm blood n. 血液 bleed v. 流血 bloody adj. 流血的 bandage n. 绷带 injury n. 伤害，损伤 wound n. 伤口 sprain v. 扭伤 ankle n. 踝关节 broken arm 手臂骨折 choke v. 窒息, 哽住 drown adj. 溺水 New Words Nowadays there are a lot of unexpected accidents. What would you do in such situations? What is first aid? First aid is _ given to someone who suddenly _ or _ before a doctor can be found. a temporary form of help a temporary form of help falls illfalls ill gets injured gets injured 1. The best way to treat a sprained ankle is to: A. Put some ice on your ankle. B. Put a heating pad(垫子)around your ankle. C. Keep on walking and jumping. 2. If you get a nosebleed, gently let your head back to stop the bleeding. A. True B. False (It may lead the blood into the throat and easily cause choking.) 3. To treat a burn, you: A. Rub(擦)some butter on it. B. Hold the burnt part under cold running water. C. Put salt on the burnt part. 4. To treat a choke, you should make him /her spit by patting him/her on the back. A. True B. False （吐 ） 5. To treat a bleeding, you should put a bandage on the wound and apply pressure to reduce the bleeding. A. True B. False 6. To treat a broken arm, you: A. move the broken bone in no time. B. keep the arm still using a sling to support the broken arm What things at home can be dangerous? electrical equipment electric wires medicines knives hot water glass Brainstorming gas pets 电器 电线 First Aid for Reading Burns Skim for general idea and then 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 Reading 1.What can skin do for our body ? _ _ _ _ _ Act as a barrier against disease, poisons and the suns harmful rays. Keep you warm or cool. Prevent you from losing water. Give you sense of touch. Scanning 1 2 3 4 2.You can get burnt by : _ _ _ _ _ _ hot liquids steam fire radiation the sun electricity or chemicals 3. How many types of burns are there? What are they? 1.First degree burns 2. Second degree burns 3.Third degree burns The three layers of skin: The third layer The second layer The top layer Ex 2 Label these pictures with first, second and third degree burn. First degree burns Second degree burns Third degree burns III. Detail-reading: Filling in the blanks. Types Characteristics First degree burns Affect the top _ of the skin. Dry, red and mildly _ _ painful Turn white when _. layer swollen Mildly pressed Types Characteristics Second degree burns affect both the _ _ layer of the skin. _, red and swollen extreme ly painful _ watery surface Third degree burns affect _ layers of the skin. swollen; tissue can be seen. _ _ pain _ _ and charred top and the second all three rough little or no blisters black and white IV. Decide whether the first aid treatment is Right (R) or Wrong (W). 1. When someone is burned, you should place some ice on his wound. 2. The function of cool water is to prevent and reduce swelling. 3. We should put damp cloths on the second degree burns. 4. We shouldnt break the blisters, or they will make the wound infected. W R R R 5. Sometimes, we can put oil or ointments on burns to stop the infection. 6. We should make sure the bandage wont stick to the skin when it is used. 7. If burns are on the face, we should make the victim sit up. 8. Cold water can be used in three types of burns. W W R R Post-reading Answer the questions in your own words according to the passage. 1. Why should you put cold water on a burn? 2. Why doesnt a third degree burn hurt? Because the cold water stops the burning Because the cold water stops the burning process, stops the pain and prevents or process, stops the pain and prevents or reduces swelling reduces swelling（肿）（肿）. . Because in a third degree burn the Because in a third degree burn the nerves have been damaged. If there are nerves have been damaged. If there are no nerves, there is no pain.no nerves, there is no pain. 3. Why do you think clothes and jewellery near burns should be removed? 4. If someone has a third degree burn, why might you see tissue? Because bacteria from the clothes and Because bacteria from the clothes and jewellery could infect the burns. jewellery could infect the burns. Because all layers of the skin have Because all layers of the skin have been burnt showing the tissue been burnt showing the tissue underneath.underneath. Read the first aid treatments for these burns. If the treatment is right, write R. If it is wrong, write W and explain why. 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 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 补充 sense of touch sense o