单词：human leukocyte antigen histo-compatibility system
单词：human leukocyte antigen histo-compatibility system 相关文章
This is the VOA Special English Agriculture Report. In nineteen ninety-four, animal health experts started a worldwide campaign to end rinderpest. This disease is closely related to the measles virus but it does not infect people. Yet for thousands o
2010年VOA慢速英语(十一)月
Pastoralists Played Major Role in Ending Rinderpest In June 2011, the U.N. Food and Agriculture Organization officially declared that the deadly animal disease rinderpest had been eradicated. The disease devastated livestock and lingered in Africa lo
VOA标准英语2012年(九月)
By Jessica Berman Washington 04 October 2007 Fifty years ago, on October 4, 1957, the former Soviet Union launched the first man-made satellite into Earth's orbit, called Sputnik , which began a space race with the United States. While the intense co
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BBC Learning English People and Places Alexis Kekeh Alexis:My name is Alexis. Im from Togo. William: and Im William Kremer. Welcome to People and Places! One of my favourite things about living in London is the incredible mix of people that you find
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Organization, Teamwork, and Communication Facing Business Challenges At Lexmark International From IBM to Independence How do you build a new, independent organization after years of control by a giga
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By Gary Thomas Washington 12 June 2006 The United States and its European allies have offered Iran a package of incentives to get Tehran to abandon any ambition to build nuclear weapons. Iran has not rejected the package outright, but is standing fi
2006年VOA标准英语（六月）