雅思阅读模拟试题:音乐Background music may seem harmless, but it can have a powerful effect on those who hear it. Recorded background music first found its way into factories, shop and restaurants in the US. But it soon spread to other arts of the world. Now it is becoming increasingly difficult to go shopping or eat a meal without listening to music. To begin with, “ muzak ” (音乐广播网) was intended simply to create a soothing (安慰) atmosphere. Recently, however, its become big business thanks in part to
