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1、制作人: 王海锋,锦州市锦州中学,Module 4 Sandstorms in Asia,Can you describe the scene when a sandstorm occurs? What is the cause and effect of a sandstorm? What can we do to deal with a sandstorm?,Discussion:,Whats the influence of sandstorm?,scene of a sandstorm,Scan over the whole text and try to find out the d
2、escriptions about the questions we discussed previously in the text.,Fast-reading, Scanning(查读),方法指导 1先看题，明确查询信息的特点 2快速阅读，找到关键词 3停下细读，理清答案,What is a sandstorm like?,It is strong, dry winds that carry sand. It is also so thick that you cannot see the sun, and the wind is sometimes strong enough to mo
3、ve sand dunes.,Sandstorms begin in desert areas. They increase in recent years as a result of “desertification”. This is a process that happens when land becomes desert because of climate changes and people cut down trees and dig up grass.,causes of a sandstorm,The day before yesterday,Yesterday,Tod
4、ay,This is a process of “desertification”,effects of a sandstorm,Citizens wake up to an orange sky and strong winds that cover the city in a thick, brown-yellow dust. The storm sometimes continue all day and traffic moves very slowly because thick dust makes it difficult to see. To be cycling in a s
5、andstorm is frightening. The winds are very strong. It is difficult to breathe and dust makes people ill. If you want to go out, youd better wear a mask.,Skimming (略读),方法指导 1. 浏览标题 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 ideas of each paragraphs,Match the pa
6、ragraphs with their main ideas,c. a major disaster in Asia,a. the description of sandstorms,b. the causes of sandstorms,e. the government s measures,f. the forecast and suggestions,d. the effects of sandstorms,para.1,para.2,para.3,para.4,para.5,para.6,Connections between each part,Sandstorm in Asia,
7、existence 1,Causes 3,Effects 4,Suggestion 5,Measures 6,Phenomena 2,Take on,Caused by,Solved by,solutions,What should be done to prevent sandstorms?,Culture corner The Green Movement,Can you find out some other solutions from this text to deal with this environmental problem?,Solutions:,Key words: ar
8、ouse peoples consciousness/awareness. team work, not individually. environmental friendly ,Fill in the blanks according to the text,Sandstorms have been a major _ for many Asian countries for centuries. In China a mass _ has started to help solve it. Sandstorms are strong, dry winds that carry sand.
9、 They are often _ thick that you cannot see the sun, and the wind is sometimes strong _to move sand _. Sandstorms recently increased _ “desertification” . This is a _ that happens when land becomes desert because people _ trees and _ grass. Sandstorms sometimes _ Beijing. Citizens _ an orange sky,di
10、saster,campaign,so,enough,dunes,affect,as a result of,process,cut down,dig up,wake up to,Fill in the blanks according to the text,and strong winds that _ the city in a thick brownyellow _ . It sometimes _ all day. The Chinese Central Weather Station can _ a sandstorm but the _ of the storm sometimes
11、_ people. The desert is only 250 KM away _ the west of Beijing, In order to _ it coming nearer, the _ has planted more than 30 billion trees and plans to _ planting for the next five years.,cover,dust,forecast,strength,surprises,to,prevent,government,continue,continues,HOMEWORK,1.用英语写一 篇短 文，发到网 上，指出沙尘暴的原因和危害， 呼吁人们保护环境。 要求： 100字左右 2.找出课文中含不定式的句子,
