unit5earthquacknsefc课件
日期：2010-12-07 12:56
cametor_____thoset______undertheruinsLaterthatafternoon，trees，anotherbigearthquakestruckTangshanMorepeoplewerekilledorinjuredandmorebuildingf___downSoldierswerecalledItohelptherescueworkersT_____wereorganizeddigoutthetrappedandb___thedeadstrangeearthquakemuchshakedestroyedrescuetrappedfellTeamsburyWhyweresomanypeoplekilledorinjuredinTangshanearthquake?PacificplateAmericanplateEurasianplateIndianplateAfricanplateAntarcticplateWhydoearthquakeshappen?Weshouldkeep____whenanearthquakehappens，signs，finda____placeandgetthereasquicklyaspossibleIfweareoutside，includingworkersanddoctors，manys______thingshappenedinTangshanTheyweresignsforthee_________ButpeopleinthecityofTangshandidntthinkm____oftheseAt3:42amthatday，theearthbegantos____whichd________thecityManypeople，1976，TangshanUnit4EarthquakesWhathappensbeforeanearthquake?Whathappensinanearthquake?SeveraldaysbeforeJuly28，keep____frompowerlines，carsandbuildingsBuildhousesinsafeplacestofightagainstearthquakesMakethehousesas，
查看全部