Unit_4_Earthquakes课件.ppt

1 Unit 4 Warming up and Reading I2 How many kinds of disasters are there in the world?Warming up3tsunami4volcanic eruptionsand stormthunderstorm567droughtdrought89SARS (Spring 2003 ) The World Trade Center was destroyed(2001.9.11)10EarthquakeWhich disaster may cause the worst damage? earthquake12 1) What do you think will happen before an earthquake?How much do you know about an earthquake?Pre-reading13Bright lights will flash in the sky.14Animals, such as cows, dogs, horses and snakes, will be very nervous and upset.15Predictions of an earthquake:1) Bright lights flash in the sky. 3) The well walls have deep cracks with smelly gas.4) Animals, such as cows, pigs, horses and snakes are very nervous and upset. 5) Mice run out to look for places to hide. 6) Fish jump out of the ponds.2) The water in the well rise and fall.16 Discuss No. 1 in Pre-reading on P25.How much more do you know about an earthquake? What may happen in an earthquake?Many people may be killedPeople may lose their homes. Many things may be destroyed.Pre-readingVideo18Tangshan, HebeiJuly 28th, 197619 The earthquake destroyed almost all the city. Many people were hurt. Hundreds of thousands of people died. Most of the buildings in the city fell down. 20 A NIGHT A NIGHT THE EARTH THE EARTH DIDNT SLEEPDIDNT SLEEPFast readingFast reading What does the passage mainly talk about?An earthquake happened in Tangshan in 1976.22Sum up the main idea of each part of the passage.(use one word to describe)Part 1: Para 1Part 2: Para 2&3Part 3: Para 4Signs(征兆征兆)Damage损害损害Recovery复原复原23No. 3 on P 27 Para.1:Before the earthquake, strange things began to happen but no one paid attention to them. Para.2: The earthquake destroyed the city of Tangshan. Para.3: The earthquake shocked the people very much. Para.4: The army came to help the survivors, bringing hope for a new life.Sum up the main idea of each paragraph.(use one word to describe it)signsdamagesrecoveryPara1Para 2&3Para 4Detailed reading25Main IdeaDetails_ things were happening in the countryside of northeast Hebei.The water in the wells _ and _. A _ gas came out of the cracks.The chickens and pigs were too _ to _. Fish _out of the bowls and ponds.Mice _ out of the fields.At _ am on July 28, 1976, people saw _ _ in the sky. signs before the earthquake Para.1Listen to the tape and fill in the blanksStrangerosefellsmellynervouseatjumpedran3:00bright lights26Main IdeaDetails At _ am, the _ earthquake of the 20th century began ._ burst from holes in the ground.Hard hills of the rock became rivers of _._ covered the ground like red autumn leaves. Two _ and most of the bridges fell. The railway tracks were now _pieces of _._ now filled the wells instead of water.Water,food,and _ were hard to get.Damage caused by theearthquakePara. 2-3Fill in the blanksFill in the blanks3:42greatestSteamdirtBricksdamsuselesssteelSandelectricity27Data(数据数据)v of the nation felt the earthquake .v A huge crack that was kilometres long and metres wide cut across houses.vIn terrible seconds a large city lay in ruins. v of the people died or were injured during the earthquake.v The number of people who were killed or injured reached more than .vAll of the citys hospitals, _ of its factories and buildings and of its homes were gone.1/3830152/3400,00075%90%Para. 2-328 What shall we do if an earthquake happens?DiscussionDiscussionDiscussion (3m)29l Dont be nervous. Keep calm. Dont try to run out of the classroom. Protect your head by putting your bag on your head. Squat(蹲蹲)or sit down under your desk. Leave the classroom after the earthquake.30Tangshans new look31Tangshans new look Now the city of Tangshan has become a modern city with a large number of new tall buildings. This is because the people of Tangshan worked hard to rebuild their hometown. 32 _ happened in Tangshan. For a few days, water in the wells _. From the _ of wells _ come out. Mice, chickens, pigs and even fish became _. At 3a.m, everything began to _.It seemed that the world was _. _ of the nation _ it. _cut across the city. The city lay _. Two-thirds of the people _ or _. Then later that afternoon, another big quake _ Tangshan. People began to wonder _. But all hope _. _ came to help those _. Slowly, the city began to _.Strange thingsrose and fellcracksa smelly gasnervousshakeat an endOne-thirdfeltA huge crackin ruinsdiedwere injuredshookhow long the disaster would lastwas not lostSoldierssurvivorsbreathe again