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By Melinda Smith Washington 31 March 2008 A recent story in The New York Times newspaperraised serious questions about the credibility of a lung cancer study paid for in part by a large tobacco company. As VOA's Melinda Smith reports,there is growing
发表于:2018-12-16 / 阅读(85) / 评论(0)
VOA标准英语2008年（三月）
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By Jeffrey Young Washington 08 May 2007 To most Americans, the governments in their towns and regional areas called counties are the governments they interact with the most. And alongside these local governments are groups of citizens who work on the
发表于:2019-01-07 / 阅读(150) / 评论(0)
2007年VOA标准英语（五月）
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