2. Period 1 Module 4 Sandstorms in Asia Introduction Reading & Vocabulary

3. Learning aims: 1.Know some information about sandstorms. 2.Master some important points.

4. This is a__________. It has______ for ten hours and was very_________. The wind is_______the sand high around the house. sandstorm frightening blowing Introduction-1. Vocabulary (5m) Use the words in Activity 1, Page 31 to fill in the blank. lasted

5. People are ________ in the sandstorm. Sometimes the sand can_____the whole building. frightened bury

6. Introduction-2. Answer the questions with the help from Activity 2, Page31.(5m) 1.Where do sandstorms begin? 2.What causes deserts? 3.How does the sandstorm affect different places? 4.What differences between sandstorms in different areas?

7. 1.Where do sandstorms begin? 2.What causes deserts? Sandstorms begin in desert areas. Deserts are created by climate changes. And it is also because people cut down trees and dig up grass.

8. 3.How does the sandstorm affect different places? 4.What differences between sandstorms in different areas? Sandstorms from Asia have blown across the Pacific Ocean to America. The inland region has more sandstorms than the one near the sea.

9. Reading & Vocabulary- 1.Pre-reading (5m) Look at the photo. Answer the questions. Answers: 1.There is a sandstorm blowing. 2.They’re wearing hoods, masks and glasses to protect themselves. 3.It moves very slowly. Because it is difficult to see everything on the road and people must take great care. 4. Stay at home.

10. Reading & Vocabulary - 3.Exercise (5m) 1.cycle (v) 2.expert 3.process 4.citizen 5.dust 6.survive 7.forecast 8.situation Finish the exercise at Activity 2,P33. ( 南组做 1-4 题， 北组做 5- 8 题 )

11. Reading & Vocabulary – 4.Exercise (5m) Finish the exercise at Activity 3, Page 33. 1.B 2.B 3.A 4.A

12. Careful reading 1.a major disaster/for centuries(century) 2.try many ways to do 3.a mass campaign Para1

13. Careful reading 找出下列句子的同意句 1.So thick are they that you can't see the sun. They are so thick that you can't see the sun. The river is so shallow that we even can see the bottom.( 模仿上句变化此句 ) Para2 So shallow is the river that we can see the bottom

14. Careful reading 2.It was a terrible experience to have been caught in a sandstorm. To have been caught in a sandstorm was a terrible experience. Para2 动词不定式作主语, 常用形式主语 it 代替放 在句首, 而将真正的主语不定式放在句末. 句型： It is n./adj./p.p. (for/of sb.)to do 在 para4 中找出该句型的句子。 （倒数第二句） 在 Para 5 找出另一个不定式作主语的句子 黄小梅

15. Careful reading 3. 翻译 (1) 什么也干不了 ( 一点办法也没有 ) There was nothing to be done. (2) 无所事事。 There was nothing to do. 填空 Have you got anything______this evening? Para2 强调事情, 用 to be done 作定语 ; 强调人用 to do 作定语。 to do

16. Careful reading 1. 找出下面句子的同义句 Sandstorms in China appear to have increased in rec- ent years because of "desertification". Sandstorms in China appear to have increased in rec- ent years as a result of "desertification". Para3 because of/as a result of+ 短语 because+ 句子

17. Careful reading 2. 翻译 This is a process that happens when land becomes desert because of climate changes and because people cut down trees and dig up grass. 土地变成沙漠的过程是由于气候变化和 人类乱砍树林、挖草根所致。 Para3 分析句子结构有助于正确的翻译句子。 ( ) 】 【 【 】

18. Careful reading 1. 翻译 The dust makes me ill. The thick dust makes it difficult to see. 2.Weather experts advise people not to go out. 气象专家建议人们不要出门。 advise sb (not)to do Para4-5 (make+ 宾语 +adj.) (make+it+adj.+to do) 真主 形主

19. Careful reading 1. 翻译 To prevent it coming nearer,the government is planting trees. 为了阻止它靠近，政府正在植树。 prevent sb/sth (from)doing stop sb/sth (from)doing keep sb/sth from doing Para6 被动语态中,from 都不可省

20. Reading & Vocabulary – 5. Exercise (6m) Finish the exercise at Activity 4,P13. 1.prevent you (from) seeing the sun /strong enough to move sand dunes. 2.he experienced a terrible sandstorm. 3.because of desertification. 4.cause deserts and sand-storms to increase. 5.the thick dust makes it difficult to see/ the drivers cannot see clearly. 6. prevent the desert coming nearer.

21. Homework Complete exercises at Activity 5 on page 31 1.forcast(ed) 2.frightening 3.survived 4.dust 5.process 6.citizens(cyclists)