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Module4 Sandstorms in Asia【period1】


科目:高一英语(外研版)第三册 学校:临县二中 教师:李军梅

tornado

hurricane

earthquake

Natural Disasters

sandstorm

lightning

volcanic eruption

2011年世界环境日主题

Module 4 Sandstorms in Asia
Introduction Reading &Vocabulary

How beautiful it is !

What are they doing?

What happened one day?

Central Asia

A

B
North America Central Africa

C

Australia

D

这张照片是3月17日由NASA的OrbView-2卫星拍摄的真彩色照片 。在照片上,沙尘已经越过黄海,到达了日本以东的太平洋上空。 事实上,这次10年以来中国北方最大的沙尘暴不仅仅影响了日本, 据美国国家海洋和大气局(NOAA)报告,这次的沙尘暴已经跨越 太平洋,于27日到达了美国西海岸!

Inner Mongolia has many sandstorms every year . It is far away from the sea , so it is an inland region .

Xinjiang

A

C B

Gansu

Look at the picture below .Complete the sentences using the correct form of these words .

blow

bury frightening sandstorm

last (v)

There had been a sandstorm . Ithad lastedfor ten hours and was very frightening. The wind was blowingthe sand high around the houses , and some cars were ______ buried almost completely by the sand .

( \/ ) 1. Sandstorms begin in desert areas . 2. Deserts are created by climate changes . ( \/ )

3. Deserts are also created because people cut down trees and dig up grass . ( \/ ) 4. Sandstorms from Asia have blown across the Pacific Ocean to American .
5. Sandstorms can’t be prevented . 6. The inland region has more sandstorms than the one near the sea .
( \/ ) (× ) ( \/ )

Discussion
Work in groups of 4-6 . Discuss these questions . The team leaders from each group report their answers to the class .
1. What should you do in a sandstorm to protect yourself? 2. Which do you think is more dangerous , an earthquake or a sandstorm? Say why. 3. Where in China do sandstorms begin? 4. If you are in a desert, what is the first sign of a sandstorm? 5. Have you ever been in a sandstorm? If yes, describe it to your partner.

Reading and vocabulary
Look up these words in a dictionary . Then match the words with their definition .

citizen forecast 1.to ride a bicycle

cycle (v)

dust

expert survive cycle

process situation

2.someone who knows a lot about a particular subject expert 3.things that happen one after another , and have a result process 4.someone who lives in a particular town or country. citizen 5.very small bits of dirt or earth , on the ground or in the air. dust 6.to continue to live after a difficult or dangerous survive situation or event . forcast 7.to say what will probably happen . 8.everything that is happening at a particular time. situation

Pre-reading
Look at the photo. Answer the questions.
Answers: 1. There is a sandstorm blowing. 2. They’ve wearing hoods, masks and glasses to protect themselves. 3. It moves very slowly. Because it is not clear to see everything on the road and people must take great care. 4. Stay at home.

Fast reading:
Para.1 ? Para.2 ? Para.3 ? Para.4 ? Para.5 ? Para.6
?

a. the description of sandstorms b. the causes of sandstorms c. a major disaster in Asia d. the effects of sandstorms e. the government’s measures f. the forecast and suggestions

Further reading:
1. Sandstorms are strong winds carrying ____ through the air. A. dirt and mud B. rain and heat C. sand and dust D. cloud and snow 2.What do the experts advise people to do when a sandstorm arrives in the city? A. Don’t go out B. Don’t wear masks. C. Don’t go to work as usual. D. Don’t ride bicycles 3.The factors that cause land to be desert are ____. A. cutting down trees B. digging up grass C. climate changes D. all of the above 4. From the last paragraph, we know ____. A. the government is taking measures to prevent sandstorms. B. the distance between the desert and the center of Beijing is only 250 kilometers. C. more than 30 million trees have been planted in Beijing . D. the government won’t plant trees any more in the next five years

Post reading
After reading the passage, complete these sentences.
? ? ? ? ? ?

1. The winds in a sandstorm can sometimes prevent you (from) seeing the sun / strong enough to move sand dunes. __________________________________________________________ 2. When Ren Jianbo was living in Inner Mongolia ________________________________________ he experienced a terrible sandstorm. 3. Sandstorms in China appear to have increased as a result of desertification. ___________________________ 4. Cutting down trees an digging up grass can cause deserts and sand-storms to increase. __________________________________________ 5. Traffic moved very slowly because the thick dust makes it difficult to see / the drivers cannot see clearly. _________________________________________________________ 6. The government is planting trees to the west of Beijing to prevent the desert coming nearer. ________________________________

Discussion:
Suppose you are a press reporter, you are reporting some people in the street. You may ask the following questions:

1. What do you think of a sandstorm? 2. What is a sandstorm? 3. Do you think how does a strong sandstorm affect us? 4. What are the causes of sandstorms ? 5. What should we do if sandstorms occur? 6. How can we do to prevent sandstorms?

Homework:
Design a poster that encourages people to protect the environment.


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