课件28张PPT。What happened?Tall buildings were destroyed.The car was smashed.What happened?Roads were cracked.What happened?People were injured.An earthquake is the result of a sudden release of energy in the Earth's crust.
Earthquakes may result in disease, lack of basic necessities, loss of life, general property damage, road and bridge damage and sometimes landslides, fires, flood and even tsunamis.the city after the earthquakethe city before the earthquakeThe city was in ruins. Unit 4 EarthquakesDiscussion Many people believe that “It is always calm before a storm”, but usually there are some signs before an earthquake.1) Bright light flashes 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:Fast reading An earthquake happened
in Tangshan in 1976.
Read the passage and find out the topic sentence of each paragraph.
How many parts can this passage be divided into? Three parts
Do you know the main idea of each part?Part 1Paragragh1Part 2Paragraph 2.3Part 3Paragraph 4Fast readingThe main idea of each part: time orderPart 1.（Para.1）Before the earthquakePart 2.(Para.2,3)During the earthquakePart 3.(Para.4)After the earthquakeSomething strange happened in Tangshan Something happened
the destroy of the earthquake in TangshanSomething happened
the rescue of TangshanTrue or false1. People in Tangshan were warned of the earthquake and didn’t go to bed that night.
2. People in Beijing also felt the earthquake.
3. More than 400,000people were killed in the quake.
4. Many rescue workers and doctors were trapped under the ruins during the aftershock.
5. People tried to get fresh water from under the ground.FTFTFDetailed-reading signs
before the
earthquake Para.1Fill in the blanksStrangerosefellsmellynervouseatjumpedran3:00bright lightsDamage
caused by
earthquakePara. 2-3Fill in the blanks3:42greatestSteamdirtBricksdamsuselesssteelSandelectricityData of the nation felt the earthquake .
A huge crack that was kilometres long and
metres wide cut across houses.
In terrible seconds a large city lay in ruins.
of the people died or were injured during the earthquake.
The number of people who were killed or injured reached more than .
All of the city’s hospitals, _ of its factories and buildings and of its homes were gone.1/3830152/3400,00075%90%Para. 2-3Number each of these things during the Tangshan earthquake. Give a "1" to the first thing that happened and a "5" to the last thing that happened.n??____ Brick buildings were destroyed.
n??_____The walls of the village wells had cracks in them.
n?_____Shelters were put up for those with no homes.
n______ Roads got huge cracks.
n?_____The army helped the survivors.12345Some other big earthquakes in the worldThe San Francisco earthquake in America in 1906.The Guandong big earthquake in Japan in 1923.The big earthquake in Pakistan and India in 2005.Do you know why we have so many earthquakes
in the world?The big earthquake in Wenchuan, Sichuan Province in 2008.Pacific plateAmerican
plateEurasian plate India plateAfrican
plateAntarctic plateSan FranciscoWhat shall we do if an earthquake
happens?Discussion1. Get under a heavy table or desk and hold on, or sit or stand against an inside wall.
2. Keep away from windows.
3. If indoors, stay indoors.
4. If outdoors, stay outdoors away from falling debris, trees and power lines.
5. If in a car, stay in the car.
6. Many injuries occur when people act on their impulse to run. Can we stop earthquakes?We can’t stop earthquakes, but we can try to reduce
the losses caused by earthquakes.What can we do after earthquakes?To build houses as strong as possible; To build houses on rock rather than on sand.Try to rescue people;Try to rebuild families;Try to forget sad experiences and live with strong belief.Tangshan’s new lookFrom the reading passage, find the correct word or expression for each of the following meanings.__________ a thin metal piece that carries water
__________ a special wall that keeps water behind it
__________ worried or frightened
__________ hurt
__________ a deep place to store water to drink
__________ a very long water way for boatspipedamshockedinjuredwellcanal__________ the part of a building left after the rest has been damaged
_________________a lot of
__________ finished; dead
__________ put something under the earth
__________ go up
________ help to get someone out of danger
________ gas that hot water gives out ruinsa great number of at an endburyriserescuesteamHomework 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 prevent them?
List more words or expressions to enrich the mind map of earthquake and increase the knowledge of this phenomenon.阿甘正传-三番市
If you're going to San Francisco
Be sure to wear some flowers in your hair
If you're going to San Francisco
You're gonna meet some gentle people there
For those who come to San Francisca
Summertime will be a love-in there
In the streets of San Francisco
Gentle people with flowers in their hair
All across the nation such a strange vibration
People in motion
There's a whole generation with a new explanation
People in motion, people in motion
For those who come to San Francisco
Be sure to wear some flowers in your hair
If you come to San Francisco
Summertime will be a love-in there
If you come to San Francisco
Summertime will be a love-in there
