李青1unit-5-First-aid-公开课课件1.ppt

What is first aid? First aid is ___________________ given to someone who suddenly ___________ or _____________ before a doctor can be found. a temporary form of help falls ill gets injured Do you know how to give her specific first aid treatment? Can you guess what will happen to the girl? She may get burned by the boiling water Read the text quickly and 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 treatment three 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: 2.What can skin do for our body? (Para1) ① ② ③ ④ 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 Scan para12 and answer questions: 1. How many layers of skin are there ? The three layers of skin: The top layer The second layer The third layer 2. How can we get burnt? (P2) 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