课件33张PPT。EarthquakesUnit 4A 6.7-magnitude quake hit Kaohsiung city(高雄市) at a depth of 15 km at 3:57 a.m. Beijing time on Feb. 6 in 2016, according to the China Earthquake Networks Center.Can you name some big earthquakes happening in recent?years? let's learn something about them.Waves of strong quakes, including one measured at 6.5 magnitude and another at 7.3 magnitude, rocked Kumamoto Prefecture(熊本县,日本) from late April 14 to early April 16 2016.A 7.8 magnitude earthquake hit Ecuador (厄瓜多尔) and Colombia on 17 April 2016.A 9.0 magnitude earthquake hit Japan’s northeastern Honshu Island on Friday, 11 March 2011, and a six-meter tsunami (海啸) warning was issued.before the earthquakeafter the earthquakeThe?town?was razed?to the?ground?in the
earthquake?- not a?building was?left?standing.?to?completely?destroy?a?city,?building,把(城市、建筑物等)夷为平地;彻底摧毁?Tangshan, Hebei July 28, 1976Tangshan earthquakeWhat other big earthquakes do you know?San Francisco, USA April 18th, 1906San Francisco earthquakeHow do you feel about this great earthquake? terriblefrighteningbe at panicdesperate for opportunities to surviveWhat can be destroyed and damaged in a big earthquake?Buildings fall down.
Many things lie in ruins.
Many people are killed or injured.
Roads, bridges and railways are destroyed.
More people are left homeless.Earthquake is a terrible disaster!Don’t panic or run in such a hurry. Just calm down and… Hide in a corner of the house.Turn off the gas. Keep away from the power lines, the signs and buildings.Use something hard to protect your head. Never try to use the lift.deep cracksfish jump out of the pondsChickens and pigs were too nervous to eat; mice run out of the fields.bright lights Can we predict earthquakes?
What strange phenomena do you think may appear before an earthquake?Skimming for general ideaThe passage mainly talks about
_____________________________
_________________.an earthquake that happened inTangshan in 1976Main idea of the passageScanning for specific informationScan the passage and find out the topic sentence of each paragraph.Strange things were happening in the countryside of northeast Hebei. Everything began to shake. It seemed as if the world was at an end. Everywhere they looked nearly everything was destroyed. All hope was not lost. water in the wellschickens and pigsmicefishwater pipesBefore the earthquakeStrange things were happening in the countryside of northeast Hebei.Strange things ?well wallssmelly gasbright lightsthe sound of planessigns before an earthquakeFind the key words a huge crackpeople died or injuredDuring the earthquakeEverything began to shake. It seemed as if the world was at an end!What happened?steamhard hillscity laid in ruinsThe earthquake had begun.Find the key words hospitalsbricksAfter the earthquakeEverywhere they looked nearly everything was destroyed.factoriesbuildingsdams?bridgescowsrailwaytrackspigs and chickensthe army sent…The rescueAll hope was not lost. The army organized teams to dig out …Why?Miners were rescued…Workers built shelters…Fresh water was taken to …The city began to breathe again.15 seconds200 kilometers 8 & 302/375%, 90%400,0003:42 amWhat do these numbers stand for?11
kilometersAt 3:42 am everything began to shake.11 kilometers directly below the cityA huge crack was 8 kilometers long and thirty metres wide.The earthquake was felt in Beijing, which is more than 200 kilometres away.3:42 am11
kilometers200 kilometers 8 & 30In 15 seconds a large city lay in ruins.The number of people who were killed or injured reached more than 400,000.Two-thirds of the people in Tangshan died or were injured.75% of the city’s factories and buildings and 90% of its homes were gone. 15
seconds75%,
90%2/3A the army came
to help them.
B the quake
happened while
they were sleeping.
C they were nervous.
D dams and wells
were useless.
E they didn’t know
what the strange
events meant.1 The chickens didn’t
eat because
2 The people didn’t
worry because
3 Such a great number
of people died because
4 Water was needed
because
5 The people did not
lose hope becauseJoin the correct parts of the sentences.P27 1 ____________ 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 _______. 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 _________________.Strange thingsrose and fellcrackssmelly gasnervousshakeat an endOne-thirdfeltA huge crackin ruinswere injuredshookhow long the disaster would lastwas not lostsurvivorsbreathe againFill in the blanks to finish the Summary of the text and then try to retell it.Life is precious. So take care of yourself, and take care of your life, it is hard-won and easy to lose.