新视野大学英语课件第三册课件unit6Earthquakes.pptx

1、Unit 6地震名词地震名词earthquake 地震shake 震动;摇晃tremor颤动;震动temblor 美语 地震hit 袭击、打击，使遭受strike 突然发生;打击jolt 使颠簸，摇晃rock 摇，摇动，使振动roll across 波动，起伏，横摇rip through 裂开，破开;突进，横撞直闯 damage 损害;损伤 destroy 毁坏，破坏;摧残 shatter 破坏;捣毁;破灭 devastate 蹂躏，破坏;使荒废;毁灭 level 推倒，夷平 flatten 夷为平地地震名词地震名词seismological 地震学上的seismology 地震学seismo

2、graph 地震仪seismographer 地震学家aftershock 余震smaller tremors 小地震epicenter 震中magnitude 震级Richter Scale(1-10)里氏震级at a scale of 7.8 on the Richter calculations 里氏7.8级地震earthquake monitoring 地震监控tsunami 海啸rock and mud slides 泥石流tsunami warning system 海啸预警系统tidal waves 潮汐波，浪潮natural disaster 自然灾害tragedy 灾难wre

3、ckage 残骸death toll 死亡人数survivors 幸存者victims 受灾者Pre-reading activities:1.Have you ever experienced any natural disasters?Can you tell some kind of natural disasters?volcano(火山火山)sandstorm(沙尘暴沙尘暴)earthquake drought(旱灾旱灾)tsunami(海啸海啸)2.Look at the pictures of Wenchuan,Tangshan and San Francisco,describ

4、e what happened in the three cities?Wenchuan,Sichuan May 12th,2008Tangshan,HebeiTangshan,Hebei July 28July 28thth,1976,19761.Please look at the pictures and try to tell How people predict earthquakes traditionally in China?key3.How should we prepare for earthquakes?2.Have you ever been in an earthqu

5、ake?What do you think you would do first if the room started to shake?Presentation:signs of an earthquake.signs of an earthquake.井水是个宝，井水是个宝，前兆来得早。前兆来得早。无雨水质浑，天旱井水冒。无雨水质浑，天旱井水冒。水位变化大，水位变化大，翻花冒气泡。翻花冒气泡。有的变颜色，有的变颜色，有的变味道。有的变味道。骡马牛羊不进圈，鸭不下水狗狂叫。骡马牛羊不进圈，鸭不下水狗狂叫。老鼠搬家往外逃，鸽子惊飞不回巢。老鼠搬家往外逃，鸽子惊飞不回巢。冰天雪地蛇出洞，冰天雪

6、地蛇出洞，鱼儿惊惶水面跳。鱼儿惊惶水面跳。Walls of wells will have deep cracks.There will be bright light in the sky;Cows,dogs and pigs become too nervous to eat;Mice run out of the fields looking for places to hide.The water in the wells will rise and fall.What do you think you would do first if the room started to sha

7、ke?To my knowledge,the moment you realize you are confronted with an earthquake,you must keep cool and avoid being seized with panic.It is foolish of you to run aimlessly or to jump from your building.The best way of saving yourself is to take shelter where you are.1)If you are in class,take shelter

8、 under a desk,shielding your eyes with one hand from the flying fragments of broken class.2)If you are in a building,resort to narrow rooms,like kitchens,rest rooms,bathrooms,or the staircase rooms,for protection.What do you think you would do first if the room started to shake?3)If you are in a sin

9、gle-story house,run as far away from the house and other structures as possible when there is enough time for you to do so and when you can still keep your balance;otherwise,shield yourself under a bed/in a corner or attach yourself to a pillar/other concrete structures,covering your mouth and nose

10、with a towel.4)If you are in a workshop,cut off the electricity or the explosive/inflammable gas supplies first and then take shelter under a big machine.In the Tangshan earthquake,for example,all 30 workers in a weaving workshop survived the quake in this way except one,who was killed when running

11、out of the building.How should we prepare for earthquakes?Since earthquakes occur at any time without fore-warning signs,we should prepare for them as follows:1)Regularly check and reinforce our houses,place heavy things in low positions,attach cupboards and cabinets to walls.2)Keep in place surviva

12、l supplies such as water,food,a radio receiver,a torch,extra batteries,a first-aid box,some rope and some warm clothing.3)Arrange an auxiliary cooking and heating source;keep a fire extinguisher,a pair of heavy boots,and other proper tools to turn off gas and water supplies.4)Make arrangements in ca

13、se of an earthquake for family members to save and support themselves.Discussion:Imagine there is an earthquake now,your home begins to shake and you must leave it right away.You have time to take only one thing.What will you take?Why?personal washing thingsa bottle of water moneytorch(手电筒手电筒)mobile phonefood and sweets blanket(毯子毯子)What will you take with you?medicineYou will take:HOMEWORK:How can we How can we reduce the reduce the damage of damage of earthquakes?earthquakes?