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1、Sandstorms in Asia,Book 3 Module 4,1. _ (沙尘暴) have been a major disaster for many Asian countries for centuries. 2. A mass _(运动)has been started to solve the problem. 3. Sandstorms are strong enough to move sand _(沙丘). 5. The traffic moves slowly because the thick _(尘土) makes it difficult to see. 6.
2、 The Chinese Central Weather Station can _(预报) a sandstorm some weeks before it arrives in Beijing. 7. If you want to go out, youd better wear a _(面具). 8. The _(力量) of the storm sometimes surprises people.,Sandstorms,campaign,dunes,dust,forecast,mask,strength,Words revision,Please look at these pict
3、ures. How beautiful they are !,But one day something happened .,What is this natural disaster ?,It is a sandstorm .,Look at the picture below and describe the following words.,blow bury frightening last (v) sandstorm,There has been a _. It _ _ for ten hours and was very _. The wind _ the sand high a
4、round the houses, and some cars were almost completely _ by the sand.,sandstorm,lasted /has been blowing,frightening,was blowing,buried,has,blow bury frightening last (v) sandstorm,Check the meaning of these words and discuss which statements are true.,dig earthquake protect sign the Pacific Ocean 1
5、 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 America. 5 Sandstorms cant be prevented. 6 The inland region has more sandstorms than
6、the one near the sea.,Northwestern China _ _ _ strong winds and sandstorms since Monday. The condition is _ to _ as cold air is moving southward. The Xinjiang vigor Autonomous Region has already been _. Weather authorities say Inner Mongolia, Ningxia and the provinces of Gansu, Shanxi and Shanxi wil
7、l see rain and _ drops of temperature. Northern China many have sandstorms again.,has been experiencing,expected,spread,affected,sharp,A asks and B answers according to the photo,1 what is happening? 2 what is the cyclist wearing and why? 3 what do you think happens to traffic in this situation? Why
8、? 4 What do you think experts advise people to do in this situation,There is a sandstorm blowing.,Theyre wearing masks and glasses to protect themselves.,It moves very slowly. Because it is not clear to see everything on the road and people must take great care.,Stay at home.,Skimming (略读),方法指导 1. 浏
9、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。,Fast-reading,Read fast and try to find the main idea of each paragraph,Fast Reading,this article can be divided into three parts, give the main idea of each part?,Part I,Part II,Part ,(para 1),(para2-5),(para6),Sandstorm is a_ in Asia,the,_ _ _ _,description,cau
10、ses,effects,suggestion,of sandstorm,major disaster,Measures to prevent sandstorm:_,planting trees,Desertification ：_ changes ； _ trees；_ grass,an _sky, strong_, city in a thick, brown-yellow _ move slowly, difficult to see and breathe,advisenot to go out , wear a mask,orange,winds,climate,cut down,d
11、ig up,dust,Fill in the form with the detail and make up a passgae .,Detailed reading,major disaster,Central Asia, Central Africa, North America, Australia,plant more trees,1,2,sand,winds,Para1. 1.尝试许多方式来解决这个问题 2.几个世纪以来 3. 一个大规模的运动 Para2. 1.还是个孩子的时候=when he was a child 2.被困在中，突然遭遇 Para3. 1.似乎已经做了 2.由
12、于-的结果 3砍倒树木 4.挖出，挖掘草坪 Para4. 醒来看到橘色的天空 使得看到很难 Para5. 到达 使人惊奇 建议某人不要做某事 带着面具 Para6. 组织做某事,Phrases,Para1. try many ways to solve this problems for centuries a mass campaign Para2. as a child be caught in Para3. appear to have done as a result of cut down trees dig up grass Para4. wake up to an orange
13、sky make it difficult to see Para5. arrive in /at surprise people advise sb. not to do sth wear a mask Para6.prevent(from) doing, stop(from) doing, keepfrom doing,The four main places in the world( where there are sandstorms) are Central Asia,North America,括号中的句子是什么从句？( ),A. 地点状语从句 B.定语从句 C. 宾语从句 D.
14、主语从句,B,Para.1and 2,Central Africa and Australia,Sentences,1.They are often so thick that you cannot see the sun, and the wind is sometimes strong enough to move sand dunes. para2 沙尘暴能见度经常很低以至于看不见太阳，风有时大的能够移动沙丘. so- that- 引导结果状语从句 2.Ren Jianbo, described a terrible sandstorm (that) he experienced as
15、a child in the desert. “To have been caught in a sandstorm was a terrible experience.” para2 任建波描述了他小时候在沙漠中经历的一次沙尘暴，“那次被围困在沙尘暴中的经历真是太可怕了.”,3.It was the most frightening and the most (para2) dangerous situation (that) I have ever been in. 这是我经历过的最可怕最危险的情形. 4.This is a process that happens （when land becomes desert because of climate changes and because people cut down trees and dig up grass.） para3 这一进程是在气候变化以及人们肆意砍伐森林和破会草皮从而导致土地沙漠化的情况下发生的.,“
