2. English doesn’t just belong to the English, it also belongs to you. Please remember the following suggestion: Today’s free talk ?

4. Can you find out which one of the following pictures refers to a sandstorm?

5. If you want to know more ---, get close to it!

6. Sandstorms in Asia Module 4 Sandstorms in Asia

7. Introduction-1. Vocabulary (5m) Use the words in Activity 1, Page 31 to fill the blank. This is a__________. It has______for ten hours and was very____________. The wind is________the sand high around the house. People are ________ in the sandstorm. Sometimes the sand can_____the whole building. sandstorm lasted frightening blowing frightened bury blow bury frighten last (v) sandstorm

8. Prediction: If you are to write the article named “ Sandstorms in Asia ”, how many parts will you include in it? What will you write in each part?

9. Activity I: Fill in the diagram with one proper word. Part I: part II: Part III: disaster sand-storm discrip -tion cause influence suggestion measures

10. New words Match the words with the following definitions : forecast cycle( v ) dust expert process survive 1.some who knows a lot about a particular subject ________ 2.things that happen one after another, and have a result ________ 3.very small bits of dirt or earth, on the ground or in the air _________ 4.to say what will probably happen __________ 5.to continue to live after a difficult or dangerous situation or event ___________ 6.to ride a bicycle ___________ expert process dust forecast survive cycle

11. 1.What is sandstorm? 3.what’s the weather experts’ advice when a sandstorm comes? Sandstorms are strong, dry winds that carry sands. They advise us not to go out. If we have to,we’d better wear a mask. 2.Where in the world are the main four sandstorms places? ⑴ Central Asia, North America, Central Africa and Australia. ⑵ Northwest China

12. A B C D North America Central Africa Australia Central Asia

13. Match the main ideas with each part Part I (para 1) : Part II (para2-5) : Part Ⅲ (para6): major disaster in Asia ----sandstorm measures description ； cause ； influence ； suggestion

14. 1. Scientists have tried many ways to deal with sandstorms. 2. Land becomes desert only because people cut down trees and dig up grass. 3. The Chinese Central Weather Station can not forecast sandstorm some weeks before it comes. 4. Our government has planted more than 30 billion trees and plans to continue planting for the next 5 years. Decide if the following statements are true ( √ )or false( × ) √ √ × ×

15. Para(2-5) Sandstorms in Asia(key words) Description Cause Influence Suggestion strong, dry winds________________, the most ___________and dangerous Desertification ； ________ changes ； ________ trees ； _________ grass an ________sky, strong_______, city in a thick, brown-yellow ______ move slowly,difficult to see and breathe not to go out, wear a mask orangewinds climate cut downdig up frightening dust that carry sand

16. major sandstorm centers in China Gansu and Western Inner Mongolia Beijing and Northeast Inner Mongolia How far is the desert away from Beijing? Part Ⅲ

18. Discussion: What measures should we take to prevent sandstorms coming? 歌曲环保 环 保 措 施

19. trees be cut down nothing to hold.. soil be blown away soil be washed into… 歌曲环保

20. too many sheep and cattle all the grass be eaten grass never grow again ; the land become desert

21. We should plant more trees and grow more grass. Control air and water pollution. Build green fences along the desert. Forecast sandstorm’s real time to prevent disaster. Establish sandstorm data bank and collect information about sandstorms. All countries should join hands to make a plan in sandstorms control and prevention. 歌曲环保

22. Bye bye!