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Unit4Book1LeadinWarmingupPre-readingDiscussionearthquakeTalkaboutthefollowingquestionswithyourdeskmate：2.Doyouknowanyothernaturaldisasters?1.Whathappenedinthevideo?droughtvolcanoeruptionfirehurricaneflooddroughthurricanevolcaniceruptionsfirefloodssandstormsearthquakessnowstormsthunderstormslandslidesNaturaldisastersDescribewhathappenedduringtheearthquake?Whathappened?Tallbuildingsweredestroyed.Thecarwassmashed.Whathappened?Roadswerecracked.Whathappened?Peoplewereinjured.Thecitywasinruins.Whathappened?becameuselesspiecesofsteel.TherailwaytracksWhathappened?Doyouknowwhatanearthquakeis?Theearthquakeisadisaster,whichcancausegreatdamages.Canweforetellanearthquakesothatwecanreducethedamages?Whatcanweseebeforeanearthquake?•ItistheresultofasuddenreleaseofenergyintheEarth'scrust.•Earthquakesmayresultindisease,lackofbasicnecessities,lossoflife,generalpropertydamage,roadandbridgedamageandsometimeslandslides,fires,floodandeventsunamis.Whatdoyouthinkmayhappenbeforeanearthquake?Brightlightsintheskymayappear.Fishmayjumpoutoftheirbowlandponds.Micemayrunoutoffieldslookingforplacestohide.Animalsmaybetoonervoustoeat.Wellwallsmayhavedeepcracks.Task:Imagetheroombeginstoshakeandyoumustleaveitrightaway.Youhavetimetotakeonlyonething.Whatwillyoutake?Why?bottleofwatercandlesmoneyclothesImportantpapersknifefoodandsweetstorchlightmedicineIdentifycardcomputermap•Iftherewereanearthquakecoming,whatshouldyoudotosaveourselves?Ifyouweresleepinginyourbedroom,youshouldgetupandranoutofthehousewithyourfamily.Ifyouwereoutside,youshouldkeepawayfrompowerlines,trees,carsandbuildings.Weshoulddroptothefloorandcoverourheadandneckwithourarms.Weshouldhideundersomethinglikeatabletoprotectourselvesfromthingsfallingontopofus.Havelearnedaboutsomenaturaldisasters.Haveknownsomeknowledgetoprotectourselffromtheearthquake.Haveknownsomedamagesfromtheearthquake,andsomethinghappeningbeforeanearthquaketoguardagainstit.MakeaposteraboutearthquakeingroupsFindsomeinformationabouttheearthquakehappeninginTangshanin1976.