1、Unit 4 EarthquakesThe First PeriodWarming upItemsItemsStudying aims and demandsStudying aims and demandsWordsWords名名 词：词：earthquake,quake,well,pipe,million,event,nation,canal,steam,dirt,earthquake,quake,well,pipe,million,event,nation,canal,steam,dirt,suffering,brick,dam,track,electricity,disaster,mi
2、ne,miner,shelter,suffering,brick,dam,track,electricity,disaster,mine,miner,shelter,title,reporter,bar,congratulation,outline,headline,cyclist title,reporter,bar,congratulation,outline,headline,cyclist动动 词：词：injure,destroy,bury,frighteninjure,destroy,bury,frighten形容词：形容词：extreme,useless,frightened,fr
3、ighteningextreme,useless,frightened,frightening副副 词：词：sincerelysincerely兼类词：兼类词：burst(burst(vvii././nn.),ruin(.),ruin(nn././vvtt.),shock(.),shock(vv././nn.),rescue(.),rescue(nn././vvtt.),trap(.),trap(vvtt././nn.),.),damage(damage(nn././vvtt.),judge(.),judge(nn././vvtt.),express(.),express(vvtt././nn
4、.).)ExpressionsExpressions right away,as if,at an end,in ruins,dig out,a(great)number ofright away,as if,at an end,in ruins,dig out,a(great)number ofSentencesSentences1.It seemed 1.It seemed as ifas if the world was at an end!the world was at an end!22In fifteen terrible seconds a large city lay In
5、fifteen terrible seconds a large city lay in ruinsin ruins.33Everywhere Everywhere they looked nearly everything was destroyed.they looked nearly everything was destroyed.44AllAll hope was hope was not not lost.lost.GrammarGrammarThe Attributive Clause()(The Attributive Clause()(that,that,wwhich,hic
6、h,wwho,ho,wwhosehose)(定语从句定语从句()()：由关系代词：由关系代词 that,which,who,whose that,which,who,whose 引导的定语从句引导的定语从句)TopicsTopics1.Basic knowledge about earthquakes(1.Basic knowledge about earthquakes(关于地震的基本常识关于地震的基本常识)22How to protect oneself and help others in disasters(How to protect oneself and help others
7、in disasters(在灾害中在灾害中如何保护自己如何保护自己帮助他人帮助他人)WritingWriting如何写复合句如何写复合句()()状语从句状语从句Section I.Section I.课本扫描课本扫描词词汇汇部部分分词形词形变化变化1.1.frightenfrighten vtvt.吓唬；使惊吓吓唬；使惊吓frightened frightened n.n.受惊的受惊的frighteningfrightening adj.adj.令人恐惧的令人恐惧的2.2.nationnation n.n.民族，国家民族，国家 nationalnational adj.adj.民族的；民族的；
8、国家的国家的3.suffer 3.suffer v.v.遭受遭受 sufferingsuffering n.n.受难；苦楚受难；苦楚sufferersufferer n.n.患者；受害者患者；受害者重点重点单词单词1.1.burstburst v.&nv.&n.爆裂，爆发，突然破裂爆裂，爆发，突然破裂2.2.ruinruin v.&nv.&n.毁灭，使破产，遗迹，废墟（名词时常毁灭，使破产，遗迹，废墟（名词时常用复数）用复数）3.3.rescuerescue n.&vtn.&vt.援救，营救援救，营救4.4.destroydestroy vtvt.破坏，毁坏，消灭破坏，毁坏，消灭5.5.sho
9、ckshock v.v.使（震惊），震动使（震惊），震动 n.n.休克；打击休克；打击6.6.traptrap vtvt.使陷入困境使陷入困境 n.n.陷阱，困境陷阱，困境7.7.injureinjure vt vt.损害；伤害损害；伤害8.8.burybury vtvt.埋葬，掩埋；隐藏埋葬，掩埋；隐藏9.9.JudgeJudge n.&vn.&v.法官，裁判；判断，估计法官，裁判；判断，估计10.10.extremeextreme adj.adj.极度的极度的重点重点词组词组1.right away 1.right away 立刻，马上立刻，马上2.2.at an end at an en
10、d 结束，终结结束，终结3.instead of 3.instead of 代替，而不代替，而不4.4.in ruinsin ruins 严重受损；破败不堪严重受损；破败不堪5.5.dig outdig out 掘出；发现掘出；发现6.a great number of 6.a great number of 许多；大量的许多；大量的重点句子重点句子1.Mice ran out of the fields 1.Mice ran out of the fields lookinglooking for places for places to hide.to hide.2.2.AllAll ho
11、pe was hope was notnot lost.lost.重点语法重点语法定语从句（见语法专题定语从句（见语法专题P322P322）Natural DisastersflooddroughttyphoonearthquakevolcanotsunamiTornadoTask 3 Do you know why an earthquake happens?地震原因.swfSan FranciscoPacific plateAmerican plateEurasian plateIndia plateAfrican plateAntarctic plateParagraph 4Pacifi
12、c plateNorthSouthWestEastAmerican plateEarthquake HappensTodays Tang shana beautiful city,beautiful gardens,broad roads,tall buildings.唐山.aviTodays San Franciscoa big city,many tall buildings,large populationChina lies in one of the most active earthquake regions of theworld and has been hit by many
13、disastrous earthquakes during itslong history.In the past half century China has experienced severallargest earthquakes,including the Tangshan Earthquake in 1976 andthe Wenchuan Earthquake in 2008.The most serious of theseearthquakes was the one that occurred in 1556.The following is abrief descript
14、ion of the 1556 earthquake.The Great China Earthquake of 1556 is the worst naturaldisaster in Chinese history,at least in terms of lives lost,whichoccurred in Hua County of Shanxi Province of China in 1556.Theearthquake destroyed 98 counties and eight provinces of CentralChina.The destruction spanne
15、d an area of 500 miles,and in somecounties the average death toll(死亡人数)was 60 percent of thepopulation.A total of 830,000 people lost their lives,most of whomdied from the falling down of poorly-built houses.The magnitude(震级)of this earthquake has been estimated to be from 8.0 to 8.3on the Richter s
16、cale(里氏震级)小组讨论1Have you ever experienced an earthquake?2 Suppose an earthquake happens when you are havingclasses,what should you do?Further information about Tangshan earthquakeWhenWhereDegreeThe damageStruck at 3:42a.m.on July 28,1976Hebei China,11km below the city7.8 magnitude242,419 people killed(12.8%of Tangshans population)Economic damage:about 3 billion yuanCause 2,200 people to become paraplegicsHomeworkPrepare for the reading
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