人教版必修5_Unit5FirstAidreading(共19张PPT).ppt
First Aid for Burns,Reading,Pre-reading,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 functions of skin_ the symptoms of burns_ how we get burns,3,5,1,4,2,Skimming,How many parts are there in the text and what are they?,1.The function of skin,2.Cause of burns,3.Types of burns,4.Characteristics of burns,5.First aid treatment,the top layer,the second layer,the third layer tissue under the skin,nerve,The skin is the organ,and also very,largest,essential,Part 1,Whats skin?How many layers of skin(皮层)do you have?What is the functions(作用)?,The functions of skin:,losing water,sense of touch,warm,cool,diseases,poisons,the suns harmful rays,Part 2 Cause of burns,H2SO4,hot liquids,steam,fire,the sun,chemicals,Part 3 Types of burns,There are _ types of burns depending on which _ are burned.First degree burns affect only the _ layer andshould feel better within _.Second degree burns affect both the _ and the_ layer.These burns are _ and take _ to heal.Third degree burns affect all _ layers andany _ and _ under the skin.They are very_ injuries and the victim must get to _at once.,three,layers,top,a day or two,top,second,serious,a few weeks,three,tissue,organs,severe,hospital,B,A,C,Blisters andwatery surface,Mildly swollen,Tissue under them often can be seen,Part 4 Characteristics of burns,first degree burn,second degree burn,third degree burn,_ 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 First aid treatment,Take off,Cool,Place,Dry,Cover,Keep,higher,Get,to,Dos,Donts,1.Do not _ the clothing that is stuck to the burns.2.Do not cool the burns with _ water.3.Do not put cool water on _degree burns.4.Do not _ butter,oil,ointment on burns.5.Do not _ the burns,it will break the blisters.,remove,icy,third,put,rub,Our skin has three layers.We will never get burned by the sun.Burns are divided into three degrees according to the degree of pain.,4.Third degree burns are the most serious and painful.5.Dont rub the burns6.Its better that you put some butter or oil on burns.,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,Right or Wrong,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,Try our best to give them effective first aid if they are in danger.,Life is precious,We should care about others,and help people in an emergency.,HOMEWORK,Find more information about first aidRead the passage as fluently as possible,