1、人教课标高二 必修 5Unit 5What is first aid?What things at home can be dangerous?electrical equipmentelectric wirespoisonskniveshot waterglassgaspetsWhat words can you think of when you talk about accidents and first aid?drownbleedchokeburn/catch firecuta bloody nosea snake bitesprained anklea broken armAcci
2、dentFirst aidWhat kind of first aid would you perform in this situation?Make a list of your ideas.Cool the area of skin.Wash it under the cold running water.Cover the wound with bandage/cleancloth.See a doctor if necessary.skinorgan barrierpoison ray complexvarietyn.皮;皮肤n.器官n.屏障;障碍物n.毒药;毒害vt.毒害;使中毒n
3、.光线;射线adj.复杂的n.变化;多样化liquid radiation mildmildly pan stove tissue swelln.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.&vi.膨胀;隆起scissors unbearable basin bandage vitaln.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 shocksqueeze out over and over again触电;电休克榨出;挤出反复;多次Read the text quickly a
4、nd 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 treatmentthreeI.Read the text carefully and fill in the blanks.Causeshot liquids,steam,fire,radiation,the sun,electricity or chemicals1._First de
5、gree burnsSecond degree burnsThird degree burnsBurnsTypes Characteristics dry,red and mildly 2._ mildly painful turn 3._ when pressed rough,red and swollen blisters 4._ surfaceextremely painful black and white and charred swollen;often 5._ under them can be seen little or no pain if 6._ are damaged;
6、may be pain around edge of injured areaswollenwhitewaterytissuenervesFirst aid treatment Take off clothing and 7._ near the burn.Place 8._,clean,wet cloths on them until the pain decreases.Place cool cloths on the burned area repeatedly for 9._ or so.Send the victim to the doctor or hospital at once
7、.jewellerycool an hourFirst aid treatment 10._ the burned area gently.Cover the burned area with a dry,clean 11._.Keep burned arms or legs 12._ than the heart.higher DrybandageII.Choose the best answer.1.In the text,burns are sorted according to the _ of the skin burned.A.layer B.function B.C.type D
8、.area2.When cooling burns,cool water is used to do the following EXCEPT _.A.stop the burning process B.B.prevent the pain becoming unbearableC.reduce swelling D.prevent any blisters being broken1.In which order are these topics 2.covered in the text?Number them from 1 to 5._ the three types of burns
9、_ what to do if someone gets burned_ the functions of the skin _ the symptoms of burns _ how we get burns314252.Label these pictures with first,second and third degree burn.second degreefirst degreethird degreeThe three layers of skin:The third layerThe second layerThe top layer3.Answer the question
10、s.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
11、 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 bo
12、iling 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.()W4.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 clothe
13、s,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.()R3.Mrs Caseys sleeve caught fire while she was cooki
14、ng.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.()W4.After an hour in the sun,Lily noticed her arms were red and hurt a bit.She we
15、nt home and put them under cool running water.()RTry our best to give them effective first aid if they are in danger.Life is preciousLife is preciousWe should care about others,and help people in an emergency.If you have time,please know more about First Aid.1.Get more about first aid from the newspaper,magazine or the Internet.2.Find out the important and difficult words and expressions to you and finish exercises on page 36.
