2019-2020年高中英语 Unit5《First aid》教案（12） 新人教版必修5.doc

2019-2020年高中英语 Unit5First aid教案（12） 新人教版必修5Teaching Goals:1Encourage the students to discuss accidents and first aid .2Enable the students to talk about different accidents and how to give first aid in different situations.3Enable the Ss to learn how to use what theyve learnt to do first aid treatment for burns correctly.4Let the Ss learn the reading skill of getting the main idea of each para./ part & each passage .Key Teaching PointsHow to improve the Ss reading ability.Difficult points 1. How to grasp the main idea of each paragraph / part & each passage.2.Help the students to use the expressions to describe the accidents and how to give first aid.Teaching methods1. Brainstorm & Skimming & scanning methods to make the Ss get a good understanding of the text.2 Discussion methods to make the Ss understand what theyve learned in class.3 Pair work of group to get every student to take part in the teaching-and-learning activities.Teaching proceduresTeaching aids A recorder, a projector, and a puter Step One Warming up T: Lets check our homework each other Step Two PresentationT: Lets check our homework each other Step Two Presentation1. Lead-in question: Watch a video, and fill in the blanks: what is first aid?First aid is a temporary form of help given to someone who suddenly falls ill or gets injured before a doctor can be found. Often the illness or injury is not serious, but there are other times when giving first aid quickly will save ones life.2. Warming-up: Brainstorming: What words can you think of when you talk about accidents and first aid?Quiz for first aid (on p74)1. The best way to treat a hurt ankle is to:A. Put an ice pack 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. False3. 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. You should wait at least five minutes before touching somebody who has been struck by lightening, or you might get a shock (打击). A. True B. False5.Your friend has an asthma(哮喘) attack, but she doesnt have her medicine. Youd better: A. Get a paper bag for her to breathe into. B. Get her a cup of coffee. C. Take her outside for fresh air.6. To treat a choke, you should make him /her spit by patting him/her on the back. A. True B. False7. If someone is having a heart attack, you should first: A. Call 120 B. Perform CPR (心肺复苏)8.Which person would you help first?_A Li Yan who has cut her foot on glass B Xue Jin whose nose is bleedingC GaoYuan who is on the ground not breathing D Wang Feng who has broken her arm.9.When carrying out rescue breathing, how many times a minute should you blow air into the victims mouth? _. A 4 B 8 C 15 D 2010. How would you stop severe bleeding? _A cover the wound with plastic B wash the wound C do nothing as the bleeding will stop by itself D put a bandage over the wound and then press on it5 A friend is choking on a piece of food and is coughing badly. What should you do?_A nothing B carry out rescue breathingC have her lie down and restD slap her four or five times on her back4. A snake bite; a nose bleeding; a sprained ankle; choke; drown; burn; a broken Step Three Group discussioa. What happen in each picture and what kind of first aid should you give in the following situatioTalk about different situations and the way they should give first aid.Qs: Turn to page 33, look at the pictures.What happened in each picture? What kind of first aid should you give?A snake bite: A snake has bitten him on his leg.(The person bitten must get to a doctor or hospital at once; /Speed is very important. /It will help the doctor greatly if you can tell him what kind of snake it was, or describe the situation .)Bleeding: She has cut her arm with some broken glass and is bleeding badly.(Try to stop the bleeding;/Press a handkerchief onto the bleeding point and hold it there;/Hold up the part of body which is bleeding if possible.)*(watch the video about how to deal with bleeding )A sprained ankle: He has badly sprained his ankle.(Tied with medical bandage. /It is better to avoid walking with the injured ankle. /It is correct to use ice bag for removing pain and bleeding, and also not influence our own body healing.)*( a video about a sprained ankle)Choking : She is choking on a piece of food (Make him /her spit by patting him/her on the back./ Dont eat too fast and dont forget to chew your food./To avoid this, we shouldnt talk or laugh when eating.)*（a video about unconscious choking）A broken arm : She has broken her arm. (Do not move the patient. /Send for an ambulance at once. /Treat for shock if necessary.A bleeding nose: He has a nose/a nose bleed.(Stay calm. / Breathe through the mouth, not the nose. / Sit up and bend the head slightly forward. / Pinch捏 both nostrils鼻孔 shut using a thumb and forefinger./ Spit out any blood that collects in the mouth.Step Two Pre-reading:1. Questions for the picture on P33:What has happened? What sort of injuries the child will have?What kind of first aid would you perform in the situation of burning?Key: Cool the area of skin; Wash it under the cold running water. Cover the wound with bandage/clean cloth. See a doctor if necessary.Step Three Fast readingLet the Ss read the passage fast and then find out the answers to the questions1. What will the passage be about?2. What do they tell you about the passage? 3. In which order are these topics covered in the text? Number them from 1 to 5. In which order are these topics covered in the text? Number them from 1 to 5.(P35Ex1) the three types of burnswhat to do if someone gets burnedthe functions of the skinthe symptoms of burnshow we get burnsStep Four Detailed reading Fill in the blanks1.What can skin do for our body ? .Protect you against diseases, poisons and the suns harmful rays.Keep you warm or cool. .Prevent you from losing water.Give you sense of touch.2.Causes of burnsYou can get burnt by : hot liquids; steam; fire radiation; the sun electricity and chemicals 3.Types of burnWhat are they?1.First degree burns. 2. Second degree burns 3.Third degree burns 4. Label these pictures first, second and third degree burns.(P35 Ex2)5Fill in the blanks Types & characteristics of burns (based on page 34)1. Types2. CharacteristicsFirst degree burnsAffect the top_ of the skin.Dry, red and mildly_._ painful.Turn white when _.Second degree burnsAffect both the _ & the _ layer. _, red and swollen.Extremely painful._ watery surfaceThird degree burnsAffect_ _ layers of the skin.Swollen; _ canbe seen._ or _ pain if the nerves are damaged.Black and white and _.6.Answer the questions(Page35 Ex3)1).Why should you put cold water on a burn?Because the cold water stops the burning process, stops the pain and reduces the swelling. 2). Why doesnt a third degree burn hurt?Because in the 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 the layers of the skin have been burnt showing the tissue underneath.7Decide whether the first aid treatment is Right (R) or Wrong (W). (35 Ex4)