文档介绍：Noise(噪音)Noiseifegetsnoisiereverydayandveryfewpeoplecanbefreefromnoise:’tmatterwhereyouliveinthemiddleofamoderncity,orafarawayvillagethechancesarethatyou’llbedisturbedbyjetairplanes,transistorradios,oil-poweredengines,,’,somepeopleenjoylisteningtopopmusicwhichisveryloud,,’tchangeto