英语：必修5 Unit5 First aid-First aid for burns课件（新人教版）.ppt

Write down the words learned last class according to the following pictures: 1 3 2 5 4 6 9 10 a sprained ankle nosebleed choke bandage poison blister stove 7 8 kettle liquid steam swell swollen radiation * What kind of first aid treatment does this girl need? Who can describe what is happening? Do you know how to give her specific first aid treatment? * * Skim the subtitles and put the following statements in right order. ____ the three types of burns ____ what to do if someone gets burned ____ the functions of the skin ____ the symptoms of burns ____ how we get burns 3 5 1 4 2 Skimming: t e a d i n g r s a F * 2.What can skin do for our body? (Para1) ① ② ③ ④ 3. How can we get burnt?(Para2) Scanning give us sense of touch act as a barrier against diseases, poisons and the sun’s harmful rays keep us warm or cool prevent us from losing water t e a d i n g r s a F Scan para12 and answer questions: 1. How many layers of skin are there ? * The three layers of skin: The third layer The second layer The top layer * 2. How can we get burnt? (P2) R e a d i n g We can get burnt by : hot liquids steam fire the sun electricity chemicals radiation * First degree burns Affect the _______ of the skin. Dry, red and mildly ______. _______ painful. Turn white when ______. Second degree burns Affect both the ____ the ______ layer. ________, red and swollen. Extremely painful. ________ watery surface Third degree burns Affect____ ________ layers of the skin. Black and white and _______. ______ or ____ pain.may be pain around____________________ Swollen; ______can be seen. Types characteristics of burns (based on para34) 1. Types 2. Characteristics top layer top second all three swollen Rough tissue Mildly Little no pressed Blisters charred edge of injured area * If a person get a third degree burn, all his three layers of skin and any tissue a