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By Cindy Saine Washington 08 November 2007 Homeland Security Secretary Michael Chertoff says measures, such as hiring more agents and installing hi-tech detectors, have resulted in 22 percent decrease in arrests of illegal immigrants along the southe
发表于:2019-02-03 / 阅读(24) / 评论(0)
VOA常速英语2007年(十一月)