#2016年职称英语考试理工类B级阅读判断专项模拟题（5） 搜索结果
EarthquakeHowdoesanearthquakestart？Whatmakesanearthquakehappen?Therockoftheearth'scrust（地壳）mayhaveafault',akindofbreakinthesurface.Theblockswhichmakeuptheearthmove,andsometimesthismaycausethesides
