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关于职称英语考试完形填空练习题及答案 The massivesubduction zone1earthquake in Japan causeda significantlevel of soil liquefaction2that hassurprised researcherswith its1severity,a newanalysis shows. Weve seenlocalized3examples ofsoil liquefactionas extremeas thisbefore,but thedistance and2of damageinJapanwere unusuallysevere,said ScottAshford,a professorof geotechnicalengineering4at OregonState University
5.Entire structureswere tiltedand sinkinginto thesediments,Ashford said.The shiftsin soildestroyed water,drain andgas pipelines6,crippling theutilities andinfrastructure thesemunities needto
3.We sawsome placesthat sankas muchas fourfeet. Some degreeofsoilliquefaction7is monin almostany majorearthquake.Its aphenomenon inwhich soilssoaked withwater,particularly recentsediments orsand,can losemuch oftheir4and flowduring anearthquake.This canallow structuresto shiftor sinkor
5. But mostearthquakes aremuc...。