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By Efam Dovi Accra 31 March 2007 Ministers from the Economic Community of West African States have agreed to use biotechnology to increase food production in their region. The agreement was reached at the third ECOWAS ministerial meeting on biotechno
2007年VOA标准英语（三月）
AMERICAN MOSAIC -April 19, 2002: Jazz Violinist Regina Carter / Question about the Washington Monument / Museum Show on Wood Turning Broadcast: HOST: Welcome to AMERICAN MOSAIC — VOA’s radio magaz
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This is Scientific American's 60-Second Science, I am Karen Hopkin. This'll just take a minute. Biologists, traditionally track migrations by tagging animals with devices that allow their movements to be monitored. But Homo sapiens can't be fitted wi
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绿箭（口香糖）-The Cascades Rhythm of the rain 虽然这首歌曲在1963年上榜，只获得第三名的成绩，但却永远活在人们的回忆中，多年以来不断有人翻唱。根据BMI的统计，它以美国广电媒体超过六百万
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Pro-Taliban extremists in northwestern Pakistan have killed 22 members of a pro-government tribe. The remote violence-plagued area borders the volatile tribal region of South Waziristan on the Afghan border, which is believed to be a safe haven for
VOA标准英语2008年（六月）
By Carol Pearson Washington, DC 08 November 2006 watch Heart Stent report Heart stents are lifesaving medical devices that help prevent heart attacks. Most of these stents are coated with various drugs, but mounting data suggest drug-coated stents c
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