人教英語必修1 unit4 earthquake warming up 課件

1、Unit 4 EarthquakesWarming upHow many Natural Disasters do you know?Brainstormearthquake 地震地震volcano eruption 火山火山flood 洪水洪水typhoon 臺風(fēng)臺風(fēng)sandstorm 風(fēng)沙風(fēng)沙mudflow 泥石流泥石流snow slide 雪崩雪崩tsunami 海嘯海嘯natural disastersdroughtn. 干旱；缺乏fireNatural DisastersfloodtyphoonTsunami (海嘯）海嘯）snow slide (雪崩雪崩)volcano erupt

2、ion(火山火山)mudflowsandstormearthquakeDo you know some earthquakes in our countrie or in the world? Give examples. Wenchuan earthquake (12st,May,2008) Yushu earthquake( 14th ,April,2010 ) Tangshan earthquake(28th,July,1976) San Francisco earthquake (31st,october,2007) Haiti earthquake (12th ,January,20

3、10) .Watch the movie, then tell us what had happened in the earthquake .Can you describe how terrible the earthquake was?2008. 5. 12Wenchuan EarthquakeThe town lay in ruins.破敗不堪破敗不堪The buildings fell down.倒塌倒塌 Roads cracked.開裂開裂Many people were killed or injured.受傷的受傷的A great number of people lost t

4、heir homes. 許多，大量許多，大量Many people believe that “it is always calm before a storm,” look at this photo carefully. What can you see in this picture?Tangshanbeautiful city; broad roads; tall buildings; large populationTangshanA big earthquake What might happen to the objects in the picture ?DISCUSSIONT

5、angshan, HebeiJuly 28th, 1976Many people diedPeople lost their homes Many things were destroyed.in ruins 破敗不堪破敗不堪fall down 倒下倒下crack 裂縫裂縫injure 受傷受傷burst 爆裂爆裂Useful words and expressionsRoads got huge cracks.Steam burst from holes or wells in the ground. Water pipes were destroyed.Houses fell down.

6、Brick buildings were destroyed.The railway tracks became useless pieces of steel.People died or were injured. Families were killed and many children were left without parents.In a few seconds, a large city lay in ruins. Everything was destroyed. It seems the world was at an end.what may happen before an earthquake ?wh