高中英语 57(Unit5 Reading I)优秀课件 新人教版必修5 课件VIP专享VIP免费

新课标人教版课件系列《高中英语》必修 5-5.7Reading What things at home can be dangerous?electrical equipmentelectric wirespoisonskniveshot waterglassBrainstormingBrainstorminggaspetsPre-reading What kind of first aid would you perform in this situation? Cool the area of skin; wash it under the cold running water. Cover the wound with bandage/ clean cloth. See a doctor if necessary. Skim for general idea. How many parts are the text and what are they?1. The purpose of skin2. Cause of burns3. Types of burns4. Characteristics/Symptoms( 症状 )of burns5. First aid treatmentDetail reading: Filling in the blanks1. What can skin do for our body?2. What are the causes of getting burnt? 3. How many types of burns are there?4. Finish P36. 4The three layers of skinWhat can skin do for our body ? ________________________________________________________________________________________________________________________________________ 1.Protect you against diseases, poisons and the sun’s harmful rays. 2.Keep you warm or cool. 3.Prevent you from losing water. 4.Give you sense of touch.Causes of burnsYou can get burnt by : ________________________________________________________________________________________hot liquidssteamfireradiationthe sunelectricity and chemicals Types of burn How many types of burns are there?What are they? 1.First degree burns. 2. Second degree burns 3.Third degree burnsAnswer the questions1. Why should you put cold water on a burn?2. Why doesn’t a third degree burn hurt? The cold water stops the burning The cold water stops the burning process, stops the pain and prevents or process, stops the pain and prevents or reduces swelling. reduces swelling. Because the nerves are damaged. If Because the nerves are damaged. If there are no nerves, there is no pain.there are no nerves, there is no pain.3. Why do you think clothes and jewellery near burns should be removed?4. If someone has a third degree burn, why might you see tissue? Because bacteria from the clothes and Because bacteria from the clothes and jewellery could infect the burns.jewellery could infect the burns. Because all layers of the skin have Because all layers of the skin have been burnt showing the tissue been burnt showing the tissue underneath.underneath. Label these pictures with first degree burn, second degree burn and third degree burn.second degreefirst degreethird degree• Tissue under them often can be seen.Characteristics: Characteristics: •Mildly swollen•Extremely painful补充• sense of touch• sense of sight• sense of hearing• sense of taste• sense of smell• sense of humor • sense of beauty• sense of urgency触觉sense 视觉听觉味觉嗅觉幽默感美感紧迫感Homework Finish the Ex in P36. Read the text.