HOW TO PREPARE FOR EARTHQUAKES大學(xué)英語新視野 UNITE 6PPT課件

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1、個(gè)人制作 僅供參考what natural disasters have you heard of Floodwhat natural disasters have you heard of Hurricanewhat natural disasters have you heard of Droughtwhat natural disasters have you heard of Tornadowhat natural disasters have you heard of valcano eruptionwhat natural disasters have you heard of S

2、nowwhat natural disasters have you heard of EarthquakeEarthquakes An earthquake is the result of a sudden release of energy in the Earths crust that creates seismic waves. Earthquakes are recorded with a seismometer.Earthquakes with magnitude 3 or lower are mostly impercitable( we may not feel it),b

3、ut earthquakes with magnitude 7 can cause serious damage over large areas.Severe earthquakes happened in ChinaThe Tangshan earthquake of 1976:crumpled many people from different place got together to hold a memorial ceremony for the deadSevere earthquakes happened in ChinaThe Wenchuan earthquake of

4、2008:The little child is so pitiful that we all felt sad yushu, come on! we are praying for you and we will always be with you Severe earthquakes happened in ChinaThe Yushu earthquake of 2010:Seismic hazard (地震危害性) uproot trees and knock off buildings make the rivers change their courses make the tr

5、ansportation system break down cause power line failures cause loss of life and property trigger landslides,flooding and tsunamis may cause infective deseasesEarthquakes are among the most powerful events on earth,and their results can be terrifying.A severe earthquake may release energy 10,000 time

6、s as great as the first atomic bomb.To prevent the great destruction of property caused by earthquakes.To prepare for the possibility of a great earthquake.Even if prediction becomes possible, people still have to do their best to prevent disasters by improving building structures and by being perso

7、nally preparedStructure of textStructure of textTo predict when an earthquake is going to happen Pragragh 1 How do people predict an earthquake?By watching animals and plants for warning signs of earthquakes.In China:hens refuse to enter their cages at night,snakes come out of the ground to freeze t

8、o death,dogs bark a lot.In Japan:large schools of fish swim near the surface of the water,birds are noisy and flying in an usual way.Changs seismograghwords and expressions detect notice or discover, esp. using a special method 察覺,發(fā)現(xiàn);探測察覺,發(fā)現(xiàn);探測detect sb. in (doing) sth. 發(fā)覺某人在做(壞事)He was detected in

9、the act of cheating on the exam.他考試時(shí)作弊被發(fā)現(xiàn)了。large schools of fish:大群的魚 pragragh 2 What kind of building structure might prevent the great destruction of property?an I-joint,equally strong columns and horizontal beams,deep vertical support columns,light roofs and strong walls. withstand vt. be strong

10、enough not to be harmed by sth.such as great heat,cold,pressure.words and expressions pragragh 3-6how should poeple prepare for an earthquake?prepare their house:check/reinforce homes place heavy objects attach cupboards & cabinets fasten doors prepare themselves:survival supplies water and food,rad

11、io receiver, torch, extra batteries, first-aid supplies, spade, tent, rope, clothing, fire extinguisher, auxiliary cooking and heating source, heavy shoes or boots.keep a fire extinguisher handymake earthquakes emergency plans extinguish:words and expressionsput out使熄滅,撲滅使熄滅,撲滅end the existence of s

12、th.使使(希望等希望等)破滅破滅to extinguish a fire 滅火His dream of an actor is extinguished withthe failure.他的演員夢隨著失敗而破滅。 sensible:words and expressionsbased on good judgment and practical ideas 明智的,合理的a sensible man 理智的人a sensible decision 明智的決定a sensible arrangement 合理的安排 sense n./vt. 感覺,意義,見識;感到,理解sensitive a.

13、 敏感的,靈敏的,感光的 related words pragragh 7What should be a major emphasis for all government programs and earthquake-related research projects? education concerning how to survive an earthquake. resistant:words and expressionsoffering resistance抵抗的,對抗的Conservative people are usually resistant to change.保

14、守的人通常反對變化。be resistant to: 對. 反對 precautionwords and expressionsan action done to prevent sth. from happening預(yù)防,預(yù)防措施take precaution against 采取預(yù)防的措施政府采取了各種預(yù)防措施,以防止非典的進(jìn)一步蔓延。The government has taken all precautions to prevent further spreading of SARS. Earthquake safety If you are indoors:1.Drop,cover

15、and hold on.Get under a table or bench,hold on to one of the legs and close your eyes.2.If there is no table or bench,sit against a wall away from things that may fall on you ,away from heavy furnitures. if you are outside:1. stay ouside and move away from buildings,trees,lights and power lines.2.crouch down and cover your head.Earthquake safetywait in your safety spot until the shaking stops and check to see if you are injured.There may be aftershocks-smaller earthquakes quiet soon after.So be prepared to return to your safety spot.謝謝觀看更多優(yōu)質(zhì)高中課件更多優(yōu)質(zhì)高中課件請到以下網(wǎng)站下載請到以下網(wǎng)站下載

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