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Unit 5 First aid,Section Warming Up & ReadingPreparing,Step One：Words and Phrases .词汇知识 1_ (adj.) 暂时的；临时的 2_ (n.) 损伤；伤害 3_ (vi.&vt.) (使)噎住；(使)窒息 4_ (n.) 屏障；障碍(物) 5_ (n.) 毒药；毒害(vt.)毒害；使中毒,temporary,injury,choke,barrier,poison,6_ (adj.) 复杂的 7_ (n.) 变化；多样(化);多变(性) 8_ (n.) (生物)组织；薄的织物；手巾纸 9_ (vt.& vi.) (使)膨胀；隆起 10_ (adj.) 难以忍受的；不能容忍的,complex,variety,tissue,swell,unbearable,11squeeze (vt.& vi.) _ 12bandage (n.) _ 13vital (adj.) _ 14symptom (n.) _ 15pour (vt.& vi.) _,榨；挤；压榨,绷带,至关重要的；生死攸关的,症状；征兆,倒；灌；注；涌,.重点短语 1 _ 生病 2 _榨出；挤出 3 _ 反复；多次 4 _ 在适当的位置；适当 5a number of _ 6put ones hands on _ 7make a difference _ _,fall ill,squeeze out,over and over again,in place,若干；许多,找到,区别对待；有影响；起(重要)作用,Step Two：Fast Reading .Read the text and then find out the following questions. 1Why doesnt a third degree burn hurt? 答案：_ _ 2Why should you put cold water on a burn? 答案：_ _,Because in a third degree burn the nerves are damaged.If there are no nerves，there is no pain.,Because the cold water stop the burning process，stop the pain and reduce the swelling.,.Scan the text and choose the best answer according to the text.( ) 1Whats the main idea of the text? AThe function of the skin. BThe characteristics of burns. CThe burns and the first aid treatment. DHow to carry out the first aid for burns.,C,2The largest organ of your body is the _. Abrain Bmouth Cstomach Dskin,D,3Which of the following is not the function of the skin according to the text?( ) AIt protects you against disease，poisons and the suns harmful rays. BIt helps the heart beat. CIt can keep you warm or cool. DIt prevents your body from losing water and gives the sense of touch.,B,4Which of the following first aid treatment is right according to the text?( ) ATake clothing off the burned area even though it is stuck to the burn. BDo not put cold water on second degree burns. CIf burns are on the face，the victim should sit up. DIf the injuries are second degree burns，it is unnecessary to get the victim to the doctor or hospital at once.,C,5If someone gets burned and his hands get black and white and charred(烧焦的，烧黑的)，it belongs to _. Athe first degree Bthe second degree Cthe third degree Dnone of the above,C,Step Three：Careful Reading .The text can be divided into five parts.Then find out the main idea of each part. Part 1：_ Part 2： _ Part 3： _ Part 4： _ Part 5： _,The importance of skin.,Causes of burns.,Types of burns.,Characteristics of burns.,First aid treatment.,.Listen to the tape and then answer the questions. 1Why do you think clothes and jewellery near burns should be removed? 答案：_ _ 2If someone has a third degree burn，why might you see tissue? 答案：_ _,Because bacteria from the clothes and jewellery could infect the burns.,Because all the layers of the skin have been burnt showing the tissue underneath.,Step Four：Consolidation The skin is an essential part of our body and its largest 1._，which has three layers to protect us against disease，2. _ and the suns harmful rays.The functions of the skin are also very 3. _.So if our skin gets burned by different kinds of things，the first step in the treatment of burns is 4. _.,organ,poisons,complex,first aid,Generally speaking，there are 5. _types of burns.First degree burns affect only the top layer of the skin.Second degree burns affect both the top and the second layer of the skin.Third degree burns affect 6. _of the skin as well as any tissue and organs under the skin. Different types of burns have different 7. _ and first aid treatments.,three,all three layers,characteristics,For first degree burns，we can do as follows：First，remove clothing using scissors if necessary unless it is 8. _the burn and take off other clothing and jewellery near the burn.Second，9. _ burns immediately and dry the burned area gently.At last，cover the burned area with a dry，clean 10. _and hold it in place with tape.But for second or third degree burns，get the victim to see the doctor at once.,stuck to,cool,bandage,Step Five：Discussion Discuss in groups of four to see whether the following is right or wrong.If its wrong，explain why and give the correct statement.,1Mrs.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.( ),答案：Wrong.Mr.Casey was right to take his wifes blouse off but he should not have picked bits of blouse off the burn.This is because if you pull material that is stuck off a third degree burn like Mrs.Caseys，you would pull the tissue under the material off too.This would cause more damage to the burn.He should not have put butter on the burn because it would have stopped the heat,from escaping and it might also cause the burn to become infected.He should not have put a wet bandage on the burn.The correct first aid treatment for a third degree burn is to remove clothing and jewellery near the burn but not if the clothing is stuck to the burn.Do not put cold water on the burn.Place clean，dry cloths over the damaged area.Get the person to a hospital at once.,2After 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.( ),Right.,同学们,来学校和回家的路上要注意安全,同学们,来学校和回家的路上要注意安全,
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