人教版 (2019)选择性必修 第二册Unit 5 First Aid学案及答案

Unit 5Period 1  Reading and Thinking学案

1. to understand the causes, types, characteristics and first aid methods of burns, through reading
2. To improve their ability to deal withburnss and their awareness of burns prevention
3. To improve the ability to judge the types of texts accurately and to master the characteristics and writing techniques of expository texts.

to understand the causes, types, characteristics and first aid methods of burns, through reading

Before reading

1:  What first-aid techniques do you know of ?

2. If you get a nosebleed, what should you do ?

3.What is the text type?

4.What kinds of aspects are mentioned in the text?

while reading:

1): Read and decide whether the following sentences are true or faulse.

1. Your skin gives you protection from many dangerous things.___
2. A first-degree burn has this name because it is the most serious.____
3. Second-degree burns can be the most painful kind of burn.____
4. It is important to use cool water to stop the heat from remaining in the wound regardless of the degree of the burn.____
5. Putting butter or oil on burns helps because it may reduce swelling and ease discomfort._____

2): read and answer:

Look at the smaller headlines:

1. How many topics are talked about?

2. What are they?

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

4. Why doesn’t a third degree burn hurt?

5. Why do you think clothes  near burns should be removed?

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

3): paragraph reading:

Paragraph 1: read para1 and fill in the blanks

1. Paragraph one is mainly about the ________ of skin.

2. What are the functions of skin?

 Acts as a ________ against diseases, poisons  and the sun’s harmful rays.

 _______________ control body temperature.

 ________________ you from losing water.

 Give you the _______ of cold, heat or pain and the ______ of touch.

Paragraph 2---the last but one paragraph,solve the following questions:

1. What are the causes of burns?

2. How many types of burns are there?

There are _____ types of burns, which are called the first, second and third ______ burns, depending on which _____ of the skin are burned.

3.What are the characteristics of each burn?

First degree burns:

affect only the ____ player of the skin.

dry, red and mildly _______

 ______ painful

 turn ____ when pressed

Second degree burns:

affect both the ___ and the ______ layer of the skin.

______, red and swollen

 _______

 ______ surface

 _________ painful

 Third degree burns:

affect all _____ layers of the skin and any tissue and organs ______ the skin.

black and white and the tissue  __________can often be seen.

 swollen; often _____ under them can be seen

 little or no _____ if nerves are damaged;

 may be painful around _____ of injured area

keys

before reading:

1:  What first-aid techniques do you know of ?

CPR; mouth to mouth artificial respiration; the Heimlich Manoeuvre

2. If you get a nosebleed, what should you do ?

If I get a nosebleed, I will sit down, tilt my head forward slightly. Don’t let my head back to stop the bleeding.

3.What is the text type?

An expository writing

4.What kinds of aspects are mentioned in the text?

causes of first burns, different types of burns, characteristics of burns, and first aid procedures of burns

while reading:

1: Read and decide whether the following sentences are true or faulse.

keys：T F T T F

: read and answer:

Look at the smaller headlines:

1. How many topics are talked about?

    Four.

2. What are they?

    Causes of burns

    Types of burns

    Characteristics of burns

    First aid treatment

3Why should you put cold water on a  burn?

Because the cold water stops the burning process, stops the pain and  reduces the swelling.

4. Why doesn’t a third degree burn hurt?

Because in the third degree burn the nerves have been damaged. If there  are no nerves, there is no pain.

5. Why do you think clothes  near burns should be removed?

Because bacteria from the clothes could infect the burns.

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

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

 paragraph reading:

Paragraph 1: read para1 and fill in the blanks

1. Paragraph one is mainly about the ________ of skin.

types

2. What are the functions of skin?

keys: functions; barrier; helps; prevent; feeling; sense

Paragraph 2---the last but one paragraph,solve the following questions:

1. What are the causes of burns?

hot liquids; fire;radiation;the sun;electricity;acids;or other chemicals

2.How many types of burns are there?

There are _____ types of burns, which are called the first, second and third ______ burns, depending on which _____ of the skin are burned.

keys: three; layers; degree

3.What are the characteristics of each burn?

First degree burns:

affect only the ____ player of the skin.(top)

dry, red and mildly _______

 ______ painful

 turn ____ when pressed

keys: swollen; mildly; white

Second degree burns:

affect both the ___ and the ______ layer of the skin. (top ;second)

______, red and swollen

 _______

 ______ surface

 _________ painful

keys: rough; blisters; watery; extremely

 Third degree burns:

 affect all _____ layers of the skin and any tissue and organs ______ the skin.(three; under)

black and white and the tissue  __________can often be seen.

 swollen; often _____ under them can be seen

 little or no _____ if nerves are damaged;

 may be painful around _____ of injured area

keys: underneath; tissue; pain; edge