单词：water quality improvement act
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by Jason Marshall Would you believe its possible to send someone a secret message secured with absolutely unbreakable encryption using only a bit of simple arithmetic? Well, it isthe solution is surprisingly simple and was used by British, German, an
数学英语
Anchor: Dan Brown's best-selling novel The Da Vinci Code is second only to the Harry Potter series as the best-selling novel of all time. And it has inspired a whole slew of books on Biblical puzzles, Opus Dei, and the life of Mary Magdalene, as wel
2006年NPR美国国家公共电台
1. President Bush is asking Congress for money for another troop surge. He wants to send more than 8,000 more troops to Iraq and Afghanistan. The request comes as Congress is trying to figure out ways to get the U.S. out of Iraq. 2. Meanwhile, repre
美联社新闻一分钟2007
By Jill Moss THIS IS AMERICA – April 15, 2002: Visiting the Capitol VOICE ONE: Historians have described the United States Capitol building as “the most recognized sign of democratic government in
This is America
A United Nations economic survey for Asia Pacific says the region is now a leading driver of global economic growth, continuing a dramatic recovery from last year. U.N. economists warn that rising oil and food prices especially threaten millions of t
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Asias strong economic credentials are set to be tested in the face of slowing European economies and concerns about the outlook for the U.S. economy. In a gold trading house in Bangkoks Chinatown crowds pack the store. Although the commodity is tradi
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