人教版高中英语必修一《unit-4-Earthquakes》Warming-up-获奖ppt课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Earthquakes,Unit4,EarthquakesUnit4,The earth is a little blue planet.There always happen some disasters(,灾祸,),What natural disasters,do you know?,The earth is a little blue,Flood,Flood,Volcano Eruption,Volcano Eruption,人教版高中英语必修一unit-4-EarthquakesWarming-up-获奖ppt课件,Land Slides,Land Slides,Typhoon,hurrican,Typhoonhurrican,tidal waves,tsunami,tidal wavestsunami,人教版高中英语必修一unit-4-EarthquakesWarming-up-获奖ppt课件,人教版高中英语必修一unit-4-EarthquakesWarming-up-获奖ppt课件,Earthquake,Earthquake,人教版高中英语必修一unit-4-EarthquakesWarming-up-获奖ppt课件,Look carefully at the two pictures.Describe what you see in the pictures.,Look carefully at the two pict,But unfortunately,in 1906 a big earthquake happened in San Francisco.Whats worse,a bigger earthquake happened in Tangshan in 1976 in China.,Imagine what might have happened to all the things in the photos.,But unfortunately,in 1906 a b,1.What damages does the earthquake caused?,1.What damages does the earthq,Houses fell down.Bricks covered the ground.Brick buildings were destroyed.,Houses fell down.Bricks cover,Factories,hospitals,schools,and the other buildings were gone and lost.,Factories,hospitals,schools,an,Roads got huge cracks.Many buses were caught in them.A huge crack might have cut across houses,roads and canals.,Roads got huge cracks.Many bus,Steam burst from holes or wells in the ground.,Water pipes cracked and burst,so the water supply was cut off.,Steam burst from holes or well,The smoke of fires could be seen.The electricity lines were destroyed.The electricity supply was also cut off.,The smoke of fires could be se,Bridges and dams fell down or were not safe for travelling.,Bridges and dams fell down or,Railway tracks were useless pieces of steel.The transportation was delayed.,Railway tracks were useless pi,Many people died and were injured.Families were killed and many children were left without parents.,Many people died and were inju,The survivors became homeless.,Workers built shelters for survivors whose homes had been destroyed.,shelter,s for,survivor,s.,The survivors became homeless.,In a few terrible seconds,a large city lay in ruins.Everything was destroyed.It seemed that the world was at an end.,In a few terrible seconds,a l,Conclusion,Conclusion,2.What do you think may happen before an earthquake?,People can see bright lights in the sky.,The sound of planes can be heard outside even when no planes are in the sky.,2.What do you think may happen,Chickens,pigs,dogs,cows and snakes are nervous.,Chickens,pigs,dogs,cows and,Mice run out of the fields.,Fish jump out of bowls and,pond,s.,Mice run out of the fields.,The,well,walls have deep,cracks,in them.,The water in the well rises and falls.,A,smelly,gas comes out of the cracks,The well walls have deep crack,3.Why do earthquakes happen?,3.Why do earthquakes happen?,Pacific plate,American plate,Eurasian plate,Indian plate,African,plate,Antarctic plate,北,Pacific plateAmerican plate,American Plate,American Plate,Pacific,plate,American plate,San Francisco,PacificAmerican plateSan Fran,Sometimes these two plates stop and do not move for years.Then Suddenly,they jump and an earthquake is felt.As a result of the movement of these plates,west America near the sea has always been a bad place for earthquakes.When the 1906 earthquake happened,the Pacific plate jumped 5-6 meters to the north.,Continent,Oceanic plate,Sometimes these two plate,Thank you!,Thank you!,