Module 4 Sandstorms in Asia学案

Teaching aims:

1. To learn some new words and expressions in the text.

2. To arouse students’ feelings of protecting our environment

Step1. Lead-in

What can we see in the following pictures?

Can you name the following natural disasters in English?

Have you experienced a sandstorm?

Can you describe your feelings about it?

----- It looks like a ___________________________________experience.

If you want to know more about sandstorms, please open your textbook and turn to page 32.

 

Step2. Fast Reading

方法指导1. 浏览标题   2. 读首段，抓中心。3. 浏览其他段首末句。4.最后读结尾段

Task1 : Read the text quickly and choose the best answer.

1. Sandstorms are strong winds carrying____ through the air. (      )

A. sand and dust    B. rain and heat    C. dirt and mud

2. Which of the following doesn’t belong to the main places where there are sandstorms? (     )

A. Central Asia    B. Central Africa    C. North Europe

3. What do the experts advise people to do when a sandstorm arrives? (     )

A. Don’t wear mask    B. Don’t go out    C. Don’t go to work as usual.

4. When sandstorms happen, what will you wear if you go out? （    ）

A. A hat.        B. A coat.        C. A mask.         D. A tie.

5. How many kilometres is the desert away to the west of Beijing? (    )

A. 350.         B. 250.          C. 150.             D. 200.

 

Task 2:  This article can be divided into three parts, match the main ideas with each part.

Part I (para1)                    measures

Part II (para2--para5)              A major disaster in Asia ---sandstorm

Part Ⅲ (para6)                  description ； cause  ；influence  ； suggestion

 

Step3.Detailed-reading

Task1 : Read the text carefully and finish the following T or F exercises.

1. A government campaign has been started to help solve the sandstorm problem. (  )

2. The winds in a sandstorm can sometimes prevent you from seeing the sun. (  )

3. Northwest China is the sandstorm centre in Central Asia. (  )

4. The Chinese Central Weather Station can only forecast a sandstorm some months before it arrives. (  )

5. It is frightening to be cycling in a sandstorm. (  )

6. The government is planting trees to the east of Beijing to prevent the desert coming nearer. (  )

Task 2: Fill in the blanks according to the passage.

Sandstorms
What are they?		They are (1) __________winds that carry sand.
How powerful are they?		They are strong enough to move (2) __________.
Where do they often occur?		In Central Asia, (3) _____________, Central Africa and Australia.
Sandstorms in China
The cause	Sandstorms begin in (4) ___________and appear to have increased in recent years as a result of “desertification”. It is a process that happens when land becomes desert because of (5) _______ _______ and because people cut down trees and dig up grass.
Sandstorms in Beijing	Citizens wake up to a(n) (6) ______ sky and strong winds that cover the city in a thick,  brown-yellow dust. The storms sometimes last all day and affect traffic.
Two persons’ descriptions	·Ren Jianbo described a sandstorm in Inner Mongolia. ·Huang Xiaomei told people about a sandstorm in(7)_______.
The measures	·A (8) ______________has been started in China. ·The government has already planted over (9) ________trees and plans to continue planting for the next (10) ____ years.

Task3: Which sentence in the passage can be replaced by the following one?

1. Many ways have been tried to prevent sandstorms and in our country we have started a great movement to deal with it.

________________________________________________________________________________________________________.

2. It was a frightening experience to have been trapped in a sandstorm.

___________________________________________________________________

 

Step4.Post-reading【读而后思】

What measures should we take to prevent sandstorms’ coming?

 

 

 

To protect the environment is to protect ourselves!

 

Some famous quotations:                  

The landscape belongs to the man who looks at it.

风景属于看风景的人。           -----Ralph Waldo Emerson

                                                 （美国思想家）爱默生

People create their environment, meanwhile, environment creates people.

人创造环境，同样地，环境也创造人。

                                                  ------Karl Max

                                                             马克思

Nature is a kind mother, as well as a cruel butcher.

大自然是善良的母亲，同时也是冷酷的屠夫 。

                                                  -----Hugo

                                                        雨果

Step5. Homework:

As a student, how to protect our environment?

Write a composition about how to protect our environment.