、阅读理解(本大题共4小题,共0分)ACAvolcaniceruptioninIcelandhassentashacrossnorthernEurope
AirlineshavestoppedorchangedtheflightsacrosstheAtlanticOcean,leavinghundredsofpassengersstuckinairports
GrirmsvomisoneofthelargestandmostactivevolcanoesinEurope
WhatmakesGrimsvomdifferentisthatitliesunderahugeglacier(冰川)oficeupto12matersthick
Thehotvolcanoheatsuptheiceaboveit,whichthenformsalayer(层)ofwaterbetweentheglacierandthevolcanoThislayerofwaterputspressureonthevolcano,keepingitstable,Asthewaterflowsoutfromundertheglacier,thepressurelifts
Thelava(岩浆)fromthevolcanothencomesuptothesurface
Thisisexactlywhathappenedtoday
Now,airlineshavetomakechangestotheirflightssoasnottoflythroughthecloudsofvolcanicash
AccordingtoKLM
oneofEurope’sbiggestairlines,airplanescannotgounderthecloudoroverit
Goingthroughthecloudcanr