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VOA常速英语2014--Study: Immigrants Benefit NYC Economy, Quality of Life 研究表明移民促进纽约经济，提高生活水平

Study: Immigrants Benefit NYC Economy, Quality of Life 研究表明移民促进纽约经济，提高生活水平 NEW YORK New York has long been a magnet for immigrants looking for a better life. A new independent research study also shows that immig

发表于:2018-12-08 / 阅读(37) / 评论(0) 分类 VOA标准英语2014年(四月)

VOA标准英语2011--River Basins Could Help Ensure Food Secu

River Basins Could Help Ensure Food Security The worlds major river basins may hold the key to doubling food production in the coming years. The idea was discussed at the 14th World Water Congress in Brazil. A new report says while water shortages do

发表于:2018-12-16 / 阅读(52) / 评论(0) 分类 VOA标准英语2011年(十月)

VOA标准英语2014--New Vaccine Research Aimed at Cattle Killer 新疫苗研究意在对付牧牛杀手

New Vaccine Research Aimed at Cattle Killer 新疫苗研究意在对付牧牛杀手 New research is underway to develop an advanced vaccine against East Coast fever a parasitic disease that killed more than one-million cattle in Africa last year. Res

发表于:2018-12-16 / 阅读(45) / 评论(0) 分类 VOA标准英语2014年(二月)
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