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VOA标准英语2010年-US on Front Lines of demographic Trans

The U.S. population has passed the 300-million mark in the past decade, with non-white groups accounting for most of that growth. A new study of census data for 100 major metropolitan areas in the U.S. shows that many black, Asian, Hispanic, foreign-...

分类: VOA标准英语2010年(六)月

http://www.tingroom.com/voastandard/2010/6/104376.html

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