单词:mactec
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By Melinda Smith Washington 10 July 2007 A recent study in the Journal of the American Medical Association shows that older people who carry certain genes are more susceptible to a loss of their central vision. That loss of sight is an advanced form
This is the VOA Special English Development Report. Female farmers in Rwanda and Sudan will learn about what kind of seeds to use, how to farm without chemicals and when to harvest The Food and Agriculture Organization estimates that poor countries
senior United Nations' official in Asia says the financial crisis hitting regional economies is an opportunity to boost investment in green technologies to impact climate change. The comments by U.N. Undersecretary General Noeleen Heyzer, head of th
HEALTH REPORT - Progression of Age-Related Macular Degeneration By Nancy Steinbach Broadcast: Wednesday, January 28, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. American
三星酷毕手机广告歌:Paloma Faith - Technicolour Technicolour Paloma Faith Once upon a time my friends it feels like yesterday I was living lonesome in a world of disarray Everything was black and white,there wasn't even gray And every morni
Reporter: With the theme of Ecology, Information and Life, this year's Urban Tec Asia, the fourth of its kind, aims to address the most painful urbanization problem - ecological damage. Top intellectuals and businesses from around the world will focu