高一英語(yǔ)Unit Earthquakes 浙教
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高一英語(yǔ)Unit Earthquakes 浙教
高一英語(yǔ)高一英語(yǔ)Unit Earthquakes 浙教浙教flood第1頁(yè)/共17頁(yè)typhoonearthquakevolcanodroughtnatural disasters第2頁(yè)/共17頁(yè)firesandstorm第3頁(yè)/共17頁(yè) Have you gone through any natural disaster? What damage did it cause? Where?When?How serious?typhoon, drought, earthquake, volcano, floodSo it may cause great damage to a city which suffer from natural disaster.第4頁(yè)/共17頁(yè)Tangshan and San Francisco, Discussion: What might happen if there has been a big earthquake in these two cities?broad roadsbeautiful gardens tall buildingslarge population第5頁(yè)/共17頁(yè)P(yáng)eople lose their homes.Many buildings are destroyed.第6頁(yè)/共17頁(yè)Roads get huge cracks.The bridges fall down.第7頁(yè)/共17頁(yè)Steam burst from holes in the ground. Water pipes are destroyed.The railway tracks are useless pieces of steel.第8頁(yè)/共17頁(yè)The whole city lies in ruins.第9頁(yè)/共17頁(yè)Can we avoid( 避免避免)or reduce (減少減少)the damage?We can foretell(預(yù)測(cè)預(yù)測(cè)) earthquakes. How to foretell an earthquake?第10頁(yè)/共17頁(yè)What may happen before an earthquake? Lets look at some signs(前兆前兆).第11頁(yè)/共17頁(yè)signs(前兆前兆).1.People see bright lights in the sky.2.Animals are too nervous to eat.3.Mice run out of the fields for places to hide. Fish jump out of the pond.4.The well walls have deep cracks in them.第12頁(yè)/共17頁(yè)How does an earthquake happen?第13頁(yè)/共17頁(yè) Why do earthquakes happen? Scientists explain that the _ of the earth is made of a number of different _. At San Francisco, the Pacific plate which is moving towards the _meets the North American plate. The Pacific plate is moving very slowly at_ cm a year. Sometimes these two plates stop and do not move for years. Then suddenly ,they _ and an earthquake is _.outsideplatesnorthwest5.3jumpfelt第14頁(yè)/共17頁(yè)HOMEWORK :Prepare for Reading.Prepare for Reading.第15頁(yè)/共17頁(yè)第16頁(yè)/共17頁(yè)感謝您的觀看。感謝您的觀看。第17頁(yè)/共17頁(yè)