高一课件unit4课件.ppt

Reading,1,2,3,4,earthquake,2 ground,1 building,lay in ruins,was destroyed,had deep cracks,3 dam,dams fell,4 railway track,became useless pieces of steel,earthquake,2 ground,1 building,lay in ruins,was destroyed,had deep cracks,3 dam,dams fell,4 railway track,became useless pieces of steel,animals,people,water pipes,sky,others,Discussion: What do you think will happen before an earthquake?,1) Bright light flash in the sky. 2) The well has deep cracks in it, and the water in it rises and falls. 3) Chickens are flying and dogs are barking, and pigs and cows are too nervous to eat. 4) Fish jump out of the pond, and mice run wildly out of the fields.,Signs before an earthquake:,Scanning: Scan the passage and find out the topic sentence of each paragraph.,Careful reading Find the key words to support the topic sentences.,water, well walls, smelly gas, chickens and pigs, mice, fish, bright lights, the sound of planes, water pipes,seem strange,Signs before an earthquake,the earthquake began, a huge crack, steam, hard hills, people died or injured,began to shake,What happened in the earthquake,Careful reading Find the key words to support the topic sentences.,hospitals, factories, buildings, bricks, dams, bridges, railway tracks, cows, pigs and chickens,destroyed,After the earthquake,the army helps, dig out, bury the dead, miners rescued, built shelter,rescue,the city began to breathe again,Consolidation: Sum up the main idea of the passage:,_ happened in Tangshan. For a few days, water in the wells _. From the _ of wells _came out. Mice, chicken, pigs and even fish became _. At 3:00 am, everything began to _.It seemed that the world was _. _ of the nation _ it. _ cut across the city. The city lay _.,Strange things,rose and fell,cracks,smelly gas,nervous,shake,at an end,One-third,felt,A huge crack,in ruins,Two-thirds of the people died or _. Then later that afternoon, another big quake _ Tangshan. People began to wonder _. But all hope _. Soldiers came to help those _. Slowly, the city began to _.,were injured,shook,how long the disaster would last,was not lost,survivors,breathe again,1) How do you prevent yourself during the earthquake? 2) What measures should the government take to prevent the earthquake?,Homework Look for some earthquake information about Japan through the library, internet or other resources. Find out why Japan often has earthquakes. What measures are taken by the Japanese government to p