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By Gary Garriott Broadcast: September 1, 2003 This is Sarah Long with the VOA Special English Development Report. People have always had to find ways to keep food safe to eat. Methods to dry, smoke an
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DEVELOPMENT REPORT – Canning Food By Gary Garriott Broadcast: Monday, January 03, 2005 I'm Gwen Outen with the VOA Special English Development Report. People have always had to find ways to keep foo
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By Priscilla Huff Washington 02 October 2007 The United States is well-known for its youth-obsessed culture, but in reality there is a huge generation of so-called baby boomers --Americans born after World War Two. They number some 80 million people
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中国富煤缺油少气的能源资源特点，造成能源消费主要依赖于煤炭，石油则主要依靠进口，而且带来一系列环境问题。煤清洁转化技术则可以帮助缓解这一难题。近日专家表示，我国将在2020年
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