1、Unit 4EarthquakeWarming up高一人教新课标版必修一fireNatural Disastersfloodtyphoonsnow slide(雪崩)volcano(火山)mudflowsandstormTsunami(海啸）earthquakeOn May 12th,2008 14:28 A big earthquake happened in WenChuan SiChuan!Many people believe that“it is always calm before a storm,”look carefully at the two photos.Now,ima
2、gine there has been a big earthquake.Describe what might happen to the objects in the photos.TangshanTangshan,HebeiJuly 28th,1976San Francisco1906年,旧金山地震后街景1906年,地震后旧金山市区被扭曲的电车轨道Tall buildings were destroyed.Roads were cracked.People were injured.The city was in ruins.Do you know why an earthquake happens?San FranciscoPacific plateAmerican plateEurasian plateIndia plateAfrican plateAntarctic plateParagraph 4Pacific plateNorthSouthWestEastAmerican plateEarthquake HappensHomeworkSurf the Internet to find moreinformation about the Tang Shan earthquake and the San Francisco earthquake.
