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1、How to Prepare for Earthquakes,个人制作 仅供参考,what natural disasters have you heard of,Flood,what natural disasters have you heard of,Hurricane,what natural disasters have you heard of,Drought,what natural disasters have you heard of,Tornado,what natural disasters have you heard of,valcano eruption,what
2、natural disasters have you heard of,Snow,what natural disasters have you heard of,Earthquake,Earthquakes,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 mo
3、stly impercitable(we may not feel it),but earthquakes with magnitude 7 can cause serious damage over large areas.,Severe earthquakes happened in China,The Tangshan earthquake of 1976:,Tangshan Peoples Bank-a four-storey concrete and brick building-collapsed completely during the earthquake.,The Chen
4、gli Bridge in Tangshan crumpled during the earthquake.,the rescuer were saving the children who have suffered from wenchuan earthquak,many people from different place got together to hold a memorial ceremony for the dead,Severe earthquakes happened in China,The Wenchuan earthquake of 2008:,The littl
5、e 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 China,The Yushu earthquake of 2010:,Seismic hazard（地震危害性）,uproot trees and knock off buildingsmake the rivers change their coursesmake the transportation syst
6、em break downcause power line failurescause loss of life and propertytrigger landslides,flooding and tsunamismay cause infective deseases,Earthquakes are among the most powerful events on earth,and their results can be terrifying.A severe earthquake may release energy 10,000 times as great as the fi
7、rst atomic bomb.,Structure of text,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 to death,dogs bark a lot.,In Japan:large schools of fish swim
8、 near the surface of the water,birds are noisy and flying in an usual way.,Changs seismogragh,words and expressions,detect notice or discover,esp.using a special method 察觉，发现；探测,detect sb.in(doing)sth.发觉某人在做(坏事),He was detected in the act of cheating on the exam.他考试时作弊被发现了。,large schools of fish:大群的
9、鱼,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 enough not to be harmed by sth.such as great heat,cold,pressure.,wor
10、ds and expressions,withstand,an attacksevere teststhe stormhard wear(fire)hardship,抵御攻击,经得起严峻的考验,顶得住暴风雨,耐穿(火),能吃苦,pragragh 3-6,how should poeple prepare for an earthquake?,prepare their house:check/reinforce homes place heavy objects attach cupboards&cabinets fasten doors,prepare themselves:survival
11、 supplies water and food,radio 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 handy,make earthquakes emergency plans,extinguish:,words and expressions,put out使熄灭，扑灭end th
12、e existence of sth.使(希望等)破灭,to extinguish a fire 灭火,His dream of an actor is extinguished withthe failure.,他的演员梦随着失败而破灭。,sensible:,words and expressions,based on good judgment and practical ideas 明智的，合理的,a sensible man 理智的人a sensible decision 明智的决定a sensible arrangement 合理的安排,sense n./vt.感觉，意义，见识；感到
13、，理解sensitive a.敏感的，灵敏的，感光的,related words,pragragh 7,What should be a major emphasis for all government programs and earthquake-related research projects?,education concerning how to survive an earthquake.,resistant:,words and expressions,offering resistance抵抗的，对抗的,water-heat-bullet-,resistant,防水的,防热
14、的,防弹的,Conservative people are usually resistant to change.,保守的人通常反对变化。,be resistant to:对.反对,precaution,words and expressions,an action done to prevent sth.from happening预防，预防措施,take precaution against 采取预防的措施,政府采取了各种预防措施，以防止非典的进一步蔓延。The government has taken all precautions to prevent further spreadi
15、ng of SARS.,Earthquake safety,If you are indoors:1.Drop,cover 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 an
16、d move away from buildings,trees,lights and power lines.2.crouch down and cover your head.,Earthquake safety,wait 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.,The end,thank you!,谢谢观看,更多优质高中课件请到以下网站下载,
