Unit 5

1. Unit 5 FirstAid 高志霞

2. Words Revision First aid 急救 n.皮肤 n.屏障; 障碍物 n.毒药; 毒害 vt.毒害; 使中毒 n.光线; 射线 adj.复杂的 n.变化; 多样化 n.液体 skin barrier poison ray complex variety liquid

3. 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 Squeeze out 榨出，挤出 Over and over again 反复，多次

4. First Aid For Burns 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 functionsof skin _____ the symptoms of burns _____ how we get burns 3 5 1 4 2

5. Careful reading I. 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.

6. Answer the question What can cause burns? Hot liquids, steam, fire, radiation, the sun, electricity and chemicals.

7. The three layers of skin: The top layer The second layer The third layer

8. Types & characteristicsof burns (based on part 3,4) Mildly layer pressed swollen Rough Blisters top second all three Little no tissue charred

9. According to the form above, label these pictures withfirst degree burns, second degree burns and third degree burns. second degree burns first degree burns third degree burns Why doesn’t a third degree burn hurt? Because the nerves are damaged. If there are no nerves, there is no pain.

10. Treatments for first degree burns Place cool, clean, wet cloths on them until the pain is not so bad. It is best to place burns under gently running water for about 10 minutes. Treatments for second degree burns Keep cloths cool by putting them back in a basin of cold water, squeezing them out and placing them on the burned area over and over again for about an hour until the pain is not so bad. Dry the burned area gently , and Don’t rub. It is vital to get the victim to the doctor or hospital at once. Treatments for third degree burns Don’t put cold water on third degree burns. It is vital to get the victim to the doctor or hospital at once.

11. Read the first aid treatments for these burns. If the treatment is right, write R. If it is wrong, write W and explain why. 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 water from the fridge onto the skin. ( ) W 2. 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

12. Summary 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.

13. Homework Get more about first aid from the newspaper, magazine or the Internet. Find out the important and difficult words and expressions to you and finish exercises on page 36.

14. Thank You!