必修五unit5reading.ppt

,Reading FIRST AID FOR BURNS,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 purpose of skin_ the symptoms of burns_ how we get burns,1,2,3,4,5,Fast reading,Fill in the blanks:main idea The text mainly tells us the _ of the skin,the causes of burns,the _ types of burns and their symptoms,as well as how to give _ if one gets burns.,functions,three,treatment,the third layertissue under the skin,nerve,ayers,largest,ssential,Careful reading,Part 1 the functions of the skin,the second layer,the top layer,The functions of skin:,losing water,sense of touch,warm,cool,disease,poisons,the suns harmful rays,barrier,You can get burnt by:_,Part 2,hot liquidssteamfireradiationthe sun electricity and chemicals,Causes of burns,Part 3 Types of burns,There are _ types of burns depending on which _ are burned._ affect only the _ layer andshould feel better within _._ affect both the _ and the_ layer.These burns are _ and take _ to heal._ affect all _ layers andany _ and _ under the skin.They are very_ injuries and the victim must get to _at once.,three,layers,First degree burns,top,a day or two,Second degree burns,top,second,serious,a few weeks,Third degree burns,three,tissue,organs,severe,hospital,Characteristics,First degree burns:dry,red and slightly _ mildly painful turn white when _Second degree burns:rough,red and swollen blisters _ surface extremely painfulThird degree burns:black and white and charred swollen;often _ under them can be seen little or no pain if nerves are damaged;may be pain around _ of injured area,swollen,edge,watery,pressed,nerves,Types of burns,Read part 4,Types of burns,B,A,C,second degree burn,first degree burn,third degree burn,Read part 5 Treatment,_clothing,_ burns immediately,For third degree burns:Dont put _ _ on the burned area.,For second degree burns:Place cool cloths on the burned area _ _ _ _ for about _.,For first degree burns:_ cool,_,_ cloths on them until the pain is not so bad.,_ the burned area gently,_ the burned area with a dry,clean _.,Note:Keep burned arms or legs _ than the heart.Send the victim with second or third degree burns to the _ at once.,Remove,Cool,place,clean wet,over and,over again,an hour,cold water,Dry,Cover,bandage,higher,doctor or hospital,_ clothing and jewelry near the burns._ the burns with cool water._ cool,clean wet cloths on the burns._ the burned area gently._ the burned area with a dry clean bandage._ the burned area _ than the heart,if possible._ the victim _the doctor or hospital,if possible.,part 5 Treatment,Take off,Cool,Place,Dry,Cover,Keep,higher,Get,to,Place burns under gently running water for about 10 minutes.,wash,Take clothing off the burned area unless it is stuck to the burn.Take off other clothing and jewellery near burns.,take off,Dip the burns under cool water to stop the pain and prevent or reduce swelling.,dip,Place cool,clean,wet cloths on burns until the pain is not so bad.,cover,If the injuries are second degree or third degree burns,get the victim to the doctor or hospital at once.,send,Read para5 carefully and do the“right”(R)or“wrong”(W)exercises,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.,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.,W,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.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.,W,R,1.Why should you put cold water on a burn?2.Why doesnt a third degree burn hurt?,Because the cold water stop the burning process,stop the pain and reduces the swelling.,Because in a third degree burn the nerves are damaged.If there are no nerves,there is no pain.,3.Why do you think clothes and jewellery near burns should be removed?,Because this may break any blisters and the wound may get infected.,Questions,Homework,1.单词听写(aid-organ)2.阅读课文“First aid for burns”.3.语言点,