深圳市新安中学尹琳.ppt

Local residents ride bicycles amid a heavy sandstorm on a street in Yinchuan, northwest Chinas Ningxia Hui Autonomous Region on March 30, 2007. (continued on the next page) A?sanitary worker struggles to pull along the cleaning vehicle amid heavy a sandstorm on a street in Erlianhot, north Chinas?Inner Mongolian on March 30, 2007. Pre-reading: word study cold front 冷锋 Skimming Part One Part Two Part Three Scanning for details: Read the passage carefully and complete the following charts. Damages of sandstorms Pollute the environment Damage our health Claim lives Cause of sandstorms the cold front from Siberia Routes of sandstorms A. To the west B. The central route C. On the east Speaking task 沙尘暴曾多次肆虐我国。请根据图片，呼吁大家植树造林，说说保护环境的问题。 ? In the past my hometown used to be a beautiful place．Thick forests and green grass could be seen everywhere．In order to build houses and grow more crops，people cut down more and more trees．As time went on，the whole forest was almost destroyed．Gradually，the green hills have turned into wasteland．As a result，sandstorms struck us now and then，from which we suffered a lot．So，I do hope all the people should realize the terrible result of not caring about our environment．What’s more，we should take good care of the forests and plant more trees instead of cutting them down so as to improve our living conditions． * 深圳市新安中学 尹 琳 For Senior 1 Tracing the sand (P6) 07-08学年第29期 Curriculum focus Environmental awareness: Learn about sandstorms and raise the awareness of protecting our world. Reading skills: Skimming and scanning Speaking What has happened to the city? Why do the cyclists cover their faces? Is it a hard day for the sanitary workers? Keep in mind the following questions when you read the news on the next page. sanitary workers From Xinhua 冷?? 锋 ??? 锋面在移动过程中，冷气团起主导作用，推动锋面向暖气团一侧移动，这种锋面称为冷锋(cold front)。