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1、Unit 2 Natural disasterWelcome to the unit1.What happened in the news video?An earthquake stroke/hit Japan.2.If you were there,how would you feel?What other natural disasters do you know?skymountainsoilsink holetornadolandslidestorm surgehurricanelighteningriver/seawild fireearthquakefloodtsunamiNat
2、ural disasters are terrible reminders of the power of nature.Watch the video.Whats the meaning of“the power of nature?”Destructive?Unpredictable?Extensive?Unstoppable?Watch the video and finish the following exercises.Plates moving underground can cause an earthquake,which is _ of the earths surface
3、.When a volcano erupts,_,volcanic ash and even rocks escape through a large opening at the top.A large amount of _ falling down a hill or mountain is called a landslide.a sudden shakinghot gases earth and rock1.How many small earthquakes happen every year?Several million small earthquakes.2.What can
4、 the volcanic gas and ash cause?They can cause acid rain and even storms.3.What are landslides often caused by?Heavy rainfall,earthquakes,volcanic eruptions or other natural disasters.Sometimes human activities such as cutting down forests can also cause landslides.PresentationEarthquakeplate n.板块su
5、rface n.表面volcanoerupt v.爆发ash n.灰escape v.逃离landslidefall down 倒塌hill n.山丘Try to use your words to explain why or how it happened?What natural disasters in history have you heard about?Lets take a look at some of the worlds most destructive natural disasters.2011 Thoku earthquake and tsunami日本日本东东北
6、北地方太平洋近海地震地方太平洋近海地震2011 Thoku earthquake and tsunami日本日本东东北北地方太平洋近海地震地方太平洋近海地震It was the most powerful earthquake ever recorded in Japan,and the fourth most powerful earthquake in the world.the Japanese National Police Agency report confirmed 15,899 deaths,6,157 injured,and 2,529 people missing.The
7、tsunami caused nuclear accidents,primarily the level 7 meltdowns at three reactors in the Fukushima Daiichi Nuclear Power Plant complex.Hurricane Andrew of 1993Hurricane Andrew of 1992Damage and economic lossesHurricane Andrew was a Category 5 storm that hit South Florida on August 24th 1992 with wi
8、nd speeds of 165 miles per hour.The storm caused damage to south Louisiana and the Bahamas,but the brunt of its impact fell on South Florida,where:About 250,000 people were left homeless in Dade County alone.There were 26 deaths.25,524 homes were destroyed and 101,241 others damaged.2008 Wenchuan ea
9、rthquake in China2008 Wenchuan earthquake in ChinaThe biggest earthquake struck Chinas Sichuan Province on May 12,2008.The earthquake was measured at 7.9 on Richter scale and killed about 87,000 people.It left millions of people homeless.Thousands of them were buried under the rubble of crushed comm
10、unities.Factories,schools,homes were collapsed and it took troops and rescue teams significant amounts of effort to reach areas of southwestern China.What does disasters remind you of?the power of naturethe harm weve done to the earththe cost we may pay Can we avoid natural disasters?1.We cannot com
11、pletely prevent or predict natural disasters but we should arm ourselves with certain knowledge.2.Loss of life can be limited through disaster preparation.DiscussionNature is kind of a loving mother,but also a butcher in cold blood.Victor Hugo 大自然是慈爱的母亲，也是冷血的屠夫。大自然是慈爱的母亲，也是冷血的屠夫。Whats your understan
12、ding of the quotation?Natural resourceLiving spaceFriendly ecological circleUnpredictable disasterKill uncountable creaturesVictor Hugo,(born February 26,1802,Besanon,Francedied May 22,1885,Paris),poet,novelist,and dramatist who was the most important of the French Romantic writers.Though regarded in France as one of that countrys greatest poets.Famous work:Notre-Dame de Paris 巴黎圣母院巴黎圣母院Les Misrables 悲惨世界悲惨世界Les Contemplations 沉思集沉思集1.Preview“Reading”on P16-17;2.Finish exercise on P18-19;