必修5 unit5 First aid_图文

Thinking:
1. Look at the picture. What has happened? 2. What kind of first aid would you perform in this situation? 3. Have you or someone you know ever been burned? What happened? What did the burn look like? Did anyone perform first aid? What did he/she do?

Pre-reading

First aid for burns

In which order are these topics covere in the text? Number them from from 1 to 5.
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_____the three types of burns _____what to do if someone gets burned _____the purpose of skin _____the symptoms of burns _____how we get burns

second degree burn

first degree burn

third degree burn

3. Read the first aid treatments for these burns. If the treatment is right, write R in the brackets. If it is wrong, write W in the brackets and explain why. Then give the correct treatment. 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 waters from the fridge onto the skin. ( W )

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 Casey’s sleeve caught fire while she was cooking. Her arm looked terrible but it didn't’t 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 )

Ex.4. Answer the following questions.
1.Why should you put cold water on a burn? Because the cold water stops the burning process, stop the pain and reduces the swelling.

2. Why doesn't’t a third degree burn hurt? Because in a third degree burn the nerves have been damaged. If there are no nerves, there is no pain.

3.Why do you think clothes and jewellery near burns should be removed?
Because bacteria from the clothes and jewellery could infect the burns.

4.If someone has a third degree burn, why might you see tissue?

Because all the layers of the skin have been burn showing the tissue underneath.


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