听力原文： The decline in oil prices triggered last week by a row between major world crude producers over output could provide a timely boost to the struggling global economy, analysts believed. Crude prices fell some 15% last week—bad news for the world's major exporters locked in a nerve-wracking battle for market share, [but good news for oil importing western economies that are flirting with recession.] However, major importers like the United States, Japan and the European Union do not want oil prices to plunge to pitiful levels. Ridiculously cheap crude oil would present a new set of problems—destabilizing the Middle East and encouraging wasteful use that would aggravate global warming, analysts say. But for now,[economie managers in Washington, London and Tokyo grappling with a testing economic downturn are happy with reeent development in crude markets.] The price drop of crude oil is beneficial in that it