__________________?_______________________?____________________________?_________________________Р1. Act as a barrier against disease, ? poisons and the sun’s harmful rays.Р2. Keep you warm or cool.Р3. Prevent you from losing water.Р4. Give you sense of touch.РI. Read the passage carefully and get ? the answers to the questions.РDetail-reading:Р第7页/共15页РРРРРThe three layers of skin:РThe third layerРThe second layerРThe top layerР第8页/共15页РРCauses of burnsРsteamРfireРThe sunРelectricityРchemicalsРHot liquidРradiationР第9页/共15页РРAРBРCРFirst degree? burns???Second degree burns???Third degree burnsРrough, red,?swollen, blisters,?watery surfaceРdry, red, ?mildly swollen;?turn white when pressedРРblack and white ?and charred, ?tissue can be seenРTypes of burnsРCharacteristicsР第10页/共15页
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