Unit 4 Our World Topic 2 How can we protect ourselves from the earthquake Section C --Earthquake

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1、Unit4Topic2SectionC--EarthquakeEarthquakeDefinition地震，又称地动、地振动，是地球上经常发生的一种自然现象。由于地壳运动引起的地球表层的快速振动，地壳快速释放能量过程中造成的振动，期间会产生地震波，也是地壳运动的一种特殊表现形式。北京时间2013年4月20日8时2分在四川省雅安市芦山县（北纬30.3,东经103.0）发生7.0级地震，又发生了多次余震，多地震感强烈，震源深度13公里。古人曾认为是地龙翻动。SeriousearthquakesinCh

2、inaYushuearthquakeWenchuanearthquakeThesignoftheearthquakeTheresultsofearthquake1.Thedeathofmanypeople.2.Thecollapseofmanytallbuildings.Howtoprotectourselvesfromtheearthquake?1.Whentimeisenough,weshouldrunoutoftheroom.2.Whentimeislimited,weshouldstaya

3、tthecorneroftheroom.3.Weshouldfindsomethingsofttoprotectourhead.4.Whenintheclassroom,wecanhideonthedesk.5.Weshouldnottakealifttogodownstairs.6.Weshouldnotapproachthetallbuildings.7.Weshoulddosomepracticewhenthereisnoearthquake.8.Weshouldteachstudentss

4、omeknowledgeaboutearthquake.Thankyou