精选课件ppt,1,Reading,Reading the passage carefully and complete the form below.(within 3 words),for Senior 2,10-11学年第11期,When natural terror striks (P5),精选课件ppt,2,New words:,1.tsunami tsun:mi n. 海啸 2.alert l:t n. 警戒，警惕；警报 3.disrepair n. 破损,失修 4. Meteorology and Geophysics Agency ,mi:tirldi 气象局 5.siren sairin n. 汽笛,警报器 6.epicenter n.震中；中心,精选课件ppt,3,tsunami in the Pacific and Indian Oceans,精选课件ppt,4,1.Whats the cause of tsunamis? It is usually caused by movement of the Earths crust. 2.Why did Indonesias warning system stop working? 2.Could the sirens have made a difference if they had worked?,Because of disrepair.,It was unclear if the sirens could have made a difference because the islands affected were so close to the epicenter that the tsunami would have reached them within minutes.,Skimming,精选课件ppt,5,Scanning,Compare information of the two tsunamis,October 25, 2010,December 26, 2004,a 7.7 magnitude earthquake,the earthquake caused by the fault line,damaged whole villages,It had left _dead and _ homeless,killed _ people,450,15,000,230,000,精选课件ppt,6,Scanning,Complete the following sentences with information about tsunami from the article,The word “tsunami” is from _. In English, it means _. They are most probably happen in _ and they are caused by _of part of the Earths crust _.The waves of tsunamis can be as long as _ and be as far as _. Tsunamis can travel _ at speeds of up to _ an hour. When they reach the _ water, they _height very quickly.,Japanese,“harbor wave”,the Pacific and Indian oceans,a sudden rise or fall,under the ocean,100 kilometers,one hour apart,unnoticed,800 kilometers,shallow,build up,精选课件ppt,7,Post-reading,Group discussion: What should we do in the event of tsunamis? It is said that people should escape to higher ground while ships should sail into the middle ocean where water is deep, because tsunamis travel unnoticed when the ocean is deep but it builds up high waves near the shore or in shallow water.,精选课件ppt,8,Language focus:,1.后一组 2.每间隔一个小时 3.以高达800km每小时的速度 4.如果发生 如果下雨，聚会就在室内举行。 In the event of rain, the party will be held indoors.,the latter group,one hour apart,at speeds of up to 800 km an hour,in the event of,=If it rains,精选课件ppt,9,Homework,1. 优质课堂1+1P.51-52 2. 练习卷3,此课件下载可自行编辑修改，供参考！ 感谢您的支持，我们努力做得更好！,