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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,tornado,hurricane,Natural Disasters,earthquake,sandstorm,lightning,volcanic eruption,Module 4 Sandstorms in Asia,B,C,D,A,North America,Central Africa,Australia,Central Asia,B,C,A,Inner Mongolia,Gansu,Xinjiang,Fast reading:,1.What are sandstorms?,2.What are the places where sandstorms often occur in the world?,3.What is desertification?,4.Why do people wear masks in a sandstorm?,5.What is the Beijing government doing to prevent the desert from coming nearer?,Further reading:,1.Sandstorms are strong winds carrying _ through the air.,A.dirt and mud B.rain and heat,C.sand and dust D.cloud and snow,2.What do the experts advise people to do when a sandstorm arrives in the city?,A.Dont go out B.Dont wear masks.,C.Dont go to work as usual.D.Dont ride bicycles,3.The factors that cause land to be desert are _.,A.cutting down trees B.digging up grass,C.climate changes D.all of the above,4.From the last paragraph,we know _.A.the government is taking measures to prevent sandstorms.,B.the distance between the desert and the center of Beijing is only 250 kilometers.C.more than 30 million trees have been planted in Beijing.,D.the government wont plant trees any more in the next five years,Complete these sentences:,1.Weather experts have f_ another big sandstorm in a weeks time.,2.Its f_ to be outside in a sandstorm.,3.I was in a very big sandstorm some years ago.Luckily,everyone s_.,4.Theres a lot of d_ on the floor.We need to sweep it away.,5.Desertification is a long p_ that takes many years.,6.Many Beijing c_ cycle to work.,orcast,(,ed,),rightening,urvived,ust,rocess,itizens,frightening,orange sky,strong wind,thick dust,slowly,dirty,breathe,mask,cycling,traffic,etc.,Question:How do sandstorms affect peoples life,Discussion:What measures should we take to prevent sandstorms coming?,Homework:,1.Find more information about sandstorms on the internet or other books and write a short passage about sandstorms.2.Design a poster that encourages people to protect the environment.,
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