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Unit5 Reading-First aid
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Brainstorming What things at home can be dangerous?
electrical equipment knives electric wires hot water poisons glass pets gas
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Pre-reading What kind of first aid would you perform in this situation? Make a list of your ideas.
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First aid for burns
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Words preview skin organ barrier poison ray complex variety liquid
vt.毒害; 使中毒 n. 光线; 射线 adj. 复杂的 n. 变化; 多样化 n. 液体
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radiation mild mildly pan stove tissue swell n. 辐射; 射线 adj. 轻微的; 温和的 adv. 轻微地; 温和地 n. 平底锅; 盘子 n. 炉子; 火炉 n. 组织; 手巾纸 vt. & vi. 膨胀; 隆起
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scissors unbearable basin bandage vital n. 剪刀 adj. 难以忍受的 n. 盆; 盆地 n. 绷带 adj. 至关重要的; 生死攸关的
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Expressions preview electric shock 触电; 电休克 squeeze … out 榨出; 挤出
over and over again 触电; 电休克 榨出; 挤出 反复; 多次
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Fast-Reading Skim for general idea and then number them from 1 to 5.
__ 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
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Scanning Read the passage carefully and get
the answers to the questions. 1.What can skin do for our body? ______________________________ _______________________ ____________________________ _________________________ 1.Act as a barrier against disease, 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.
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2.You can get burnt by: ___________ __________ _______________________ hot liquids steam fire radiation the sun electricity or chemicals
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3. How many types of burns are there?
What are they? 1) First degree burns. 2) Second degree burns 3) Third degree burns
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Label these pictures with first, second and third degree burn.
second degree first degree third degree
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The three layers of skin:
The top layer The second layer The third layer
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III. Detail-reading: Filling in the blanks.
Types Characteristics First degree burns Affect the top _____ of the skin. Dry, red and mildly _____ _____ painful Turn white when ______. Mildly layer swollen pressed
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Types Characteristics Second degree burns affect both the _______ _______ layer of the skin. _____, red and swollen extremely painful _____ watery surface Third degree burns affect _____ layers of the skin. swollen; tissue can be seen. ___________ pain _____________ and charred rough blisters top and the second little or no black and white all three
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Decide whether the first aid treatment is Right (R) or Wrong (W).
1. When someone is burned, you should place some ice on his wound. 2. The function of cool water is to prevent and reduce swelling. 3. We should put damp cloths on the second degree burns again and again until it is less painful . 4. We shouldn’t break the blisters, or they will make the wound infected. W R R R
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5. Sometimes, we can put oil or ointments on burns to stop the infection.
6. We should make sure the bandage won’t stick to the skin when it is used. 7. If burns are on the face, we should make the victim sit up. 8. Cold water can be used in three types of burns. W R R W
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Post-reading After listening, answer the questions in your own words according to the passage.
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Why should you put cold water on a
burn? 2. Why doesn’t a third degree burn hurt? Because the cold water stops the burning process, stops the pain and prevents or reduces swelling(肿). Because in a third degree burn the nerves have been damaged. If there are no nerves, there is no pain.
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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 jewellery could infect the burns. Because all layers of the skin have been burnt showing the tissue underneath.
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Life is precious We should care about others, and help people in an emergency. Try our best to give them effective first aid if they are in danger.
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Homework Acquire the knowledge of First Aid and apply it to your life.
Find out the important and difficult words and expressions to you and finish exercises on page 36.
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