新人教必修一 Unit4 Earthquakes-Warming up.ppt

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1、Unit4EarthquakesfireLookatthepicturesbelowandnamethesedisastersifyouknow.typhoon/hurricanefloodvolcanoeruptionsnowslidesandstormmud-rockflowlandslidetornadotsunamiearthquakeWhichdisastermaycausetheworstdamage?Theearthquake.Howmuchdoyouknowabouttheearthquake?Whatisanear

2、thquake?Anearthquakeiswhathappenswhentwoplates(板块)oftheearthsuddenlyslippastoneanother.Morepeoplearelefthomeless.Whathappenedon12May,2008?AterribleearthquakestruckSichuan,ChinaonMay12,2008.Morethan60,000peoplelosttheirlives.Doyouknowsomeotherseriousearthquakesthathappe

3、nedinChinabefore?TangshanWhatstrangethingsdoyouthinkmayhappenbeforeanearthquake?wellmicepond---Thereisoftenagreatsound.---Animalsaretoonervoustoeat.---Therearebrightlightsinthesky.---Asmellygasmaycomeoutofthewell.---Waterpipesmaycrackorburst.Strangethingsbeforeanearthq

4、uake震前动物有预兆，群测群防很重要。牛羊骡马不进圈，猪不吃食狗乱咬。鸭不下水岸上闹，鸡乱上树高声叫。冰天雪地蛇出洞，大猫携着小猫跑。兔子竖耳蹦又撞，鱼跃水面惶惶跳。蜜峰群迁闹轰轰，鸽子惊飞不回巢。家家户户都观察，综合异常作预报。下面这首民谣是群众在长期预测地震中的总结，细读一下，对观察地震是有极大好处的。ReadingSkimmingforgeneralideaThepassagemainlytalksabouta/an___________thathappenedin_________in______.earthquakeTa

5、ngshan1976MainideaofthepassageThearmycametohelpthesurvivors,bringinghopeforanewlife.Part1:para1Part2:paras2&3Part3:para4signsdamagerecoveryMainideaofthetextBeforetheearthquakestrangethingsbegantohappenbutnoonepaidattentiontothem.TheearthquakedestroyedthecityofTangshan.

6、Thepeoplewereveryshockedatthedestruction.Clue(线索)ofthestory:timeorderScanningforspecificinformation1.Theearthquakebeganat________.A.3:00am,June28,1976B.3:00am,July28,1976C.3:42am,July28,19762._________peoplewerekilledorinjuredinthequake.A.Lessthan400,000B.Morethan400,0

7、00C.Morethan150,000Choosethebestanswer.另附word文档链接3.BeforetheearthquakethefollowinghappenedEXCEPTthat_______.A.thewaterinthewellroseandfellB.theanimalsweretoonervoustoeatC.brightlightsappearedintheskyD.peoplemadegoodpreparationsfortheearthquake4.Howlongdidtheearthquakel

8、ast?A.Tenseconds.B.Fifteenseconds.C.Twentyseconds.D.Halfaminute.5.Whichofthefollowingdidn’thappenduringtheearthquake?