視頻標(biāo)簽：Sandstorms,in Asia

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視頻課題：高中英語(yǔ)外研版必修3Module 4 Sandstorms in Asia Reading and vocabulary四川

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高中英語(yǔ)外研版必修3Module 4 Sandstorms in Asia Reading and vocabulary四川省天全中學(xué)

教學(xué)目標(biāo)
1. 訓(xùn)練閱讀技巧,尤其是略讀和精讀的能力;
2.  了解并掌握一些重點(diǎn)單詞和短語(yǔ);
3. 通過(guò)討論和寫作,增強(qiáng)學(xué)生說(shuō)和寫的能力;
4. 學(xué)生了解沙塵暴的起因和影響,知道該做些什么去保護(hù)我們的環(huán)境。
2學(xué)情分析
學(xué)生已經(jīng)掌握了一些與沙塵暴有關(guān)的單詞和短語(yǔ),知道一些保護(hù)環(huán)境的方法,但是在討論的時(shí)候,不能勇于表達(dá)自己的想法。
3重點(diǎn)難點(diǎn)
1. 總結(jié)與環(huán)境和保護(hù)環(huán)境有關(guān)的單詞和短語(yǔ);
2. 提高學(xué)生抓每段中心意思的能力。
4教學(xué)過(guò)程
4.1第一學(xué)時(shí)
4.1.1教學(xué)活動(dòng)
活動(dòng)1【導(dǎo)入】step　1.　Lead－in
Show some pictures of sandstorms to  students, then ask the students two questions:
1 Did you experience sandstorm?
2. What natural disaster is it?
活動(dòng)2【講授】step　2.　Pre－reading
Match the words with their definitions .
 citizen          cycle (v)       dust           expert     forecast         process      situation         survive 
1. to ride a bicycle
2. someone who knows a lot about a particular subject
3. things that happen one after another , and have a result
4. someone who lives in a particular town or country.
5. very small bits of dirt or earth , on the ground or in the air
6. to continue to live after a difficult or dangerous situation or event
7. to say what will probably happen
8. everything that is happening at a particular time
活動(dòng)3【講授】step　3.　Skimming
1. Match the main idea with each paragraph.
Para.1Para.2Para.3Para.4Para.5Para.6 
Sandstorms in Asia.
Sandstorms sometimes affect Beijing.
The government plants trees to prevent sandstorms.
Sandstorms have been a major disaster for centuries.
Sandstorms do a lot of damage to people.
Sandstorms in China appear to have increased as a result of desertification.
2.The passage structure should be:
A:   ①             B.   ①   ②            
   
② ③ ④ ⑤              ③ ④ ⑤             
    
      ⑥                   ⑥               
C.   ①
     
     ②
  
   ③ ④ ⑤
 
    ⑥
活動(dòng)4【練習(xí)】step　4.　Scanning
1.Fill in the diagram with one proper word.
Part I (paragraph 1)
 part II (paragraph 2-5)
 part Ⅲ(paragraph 6)
2. Choose the best answer.
 ①. A mass campaign has been started to help solve the problem of ____.
A. sandstorm  B. desert  C. water shortage  D. high temperature
 ②. The four main places in the world where there are sandstorms are ___.
A. North Asia, South America, Central Africa and Australia
B. Central Asia, North America, Central Africa and Australia
C. North Europe, Central America, West Africa and Australia
D. Central Asia, North America, Central Africa and Australia
 ③. Sandstorms begin in _____ areas.
A. countryside    B. mountainous      C. populated      D. desert
 ④. To prevent _____ coming nearer, the government is planting trees.
A. sandstorms    B. strong winds      C. deserts        D. bad weather
3. Retell the text and fill in the blanks.
A sandstorm is a major  ____  for many Asian countries. Sandstorms are strong, dry winds that carry ____. They are often so thick that you cannot see the sun, and the wind is sometimes strong enough to move sand _____.
The four _____ places in the world where sandstorms are found are Central Asia, North America, Central Africa and Australia. Northwest China is part of the sandstorm _____ in Central Asia.
Sandstorms sometimes come to Beijing. Citizens _____ up to an orange sky and strong winds. The storms sometimes go on all ____ and traffic becomes very slowly. The Chinese Central Weather Station is ____ to forecast a sandstorm some weeks before it arrives in Beijing, but its strength _______ people. The _____ is only 250 kilometres away to the west of Beijing. To prevent it coming nearer, the government is planting trees.
4. Fill in the tables.
Para(2-5)
Sandstorms in Asia (key words)
Description
Strong, dry winds______, the most______ and dangerous.
Cause
Desertification;________ changes ;________ trees;_________  grass.
Influence
an______ sky, strong ______, city in a thick, brown-yellow______, move slowly, difficult to see and breathe
Suggestion
 
活動(dòng)5【活動(dòng)】step　5.　Post－reading－－－－discussion.
1.Work in pairs and discuss what we should do to protect our
environment.
2.Writing
 ①.Writing process.    
 . Make a speech.
活動(dòng)6【作業(yè)】step　6.　Homework
Continue to finish the speech. 

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