5) What are the three types of burns?

"

First degree:

Not serious; affect only the top layer of the skin; feel better a day or two

"Second  degree

Affect both the top and the second layer of the skin; serious; take a few weeks to heal

Third degree

Affect all three layers of the skin and any tissue and organs under the skin; very severe injuries;  victim must get to a hospital at once.

6) Label the pictures with three degree burns

The second degree burn The first degree burnThe      third degree burn

7)Answer the questions

1. Why should you put cold water on a burn?

""The cold water stops the burning process, stops the pain and prevents or reduces swelling.

"2. Why doesn’t a third degree burn hurt?

""Because nerves is damaged.

"3. Why do you think clothes and jewellery near burns should be removed?

""Because this may break any blisters and the wound may get infected.

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

"These affect all three layers of the skin and any tissue and organs under fires

Step 5  Language points

a)sense

"sense of touch

sense of sight

sense of hearing

"   sense of taste

sense of smell

"   sense of humor

"  sense of beauty

"sense of urgency

b)  unless: 除非……;如果不……

"Don’t make it public unless I agree.

"Unless the destruction of the ozone layer is to stopped, the polar ice caps could melt with terrible consequences.

c)  Hold the bandage in place with tape.

"in place

"The librarian put the returned books in place.

d)  It shows that a knowledge of first aid can make a real difference.

" Make(some,no,ect) difference

" It makes no difference to me where you come from.

Home work

"

1. Finish the Exes in p36.

2.Read the text.

高二英语必修5教案就为大家介绍到这里，希望对你有所帮助。

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