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If the human genome were put in a straight line, it would be over six and a half feet long. So how do you store all that DNA in a tiny nucleus? And have the cell manage it
英语听力材料2009-10-10 -
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近日的一些报告显示，美国最近的失业人口减少。但是如果说经济真正复苏的标志，竟要数牛仔裤的热销。随我们一起看看牛仔裤和经济有什么关系。Reports of this week revealed mixed mes
英语听力材料2009-10-09 -
音频下载[点击右键另存为]To a hushed throng of reporters, Peter Englund, the permanent secretary of the Swedish Academy made the announcement.
"The Nobel Prize in literature for 2009 is awarded t
英语听力材料2009-10-09 -
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The United Nations Food and Agriculture Organization says major investment needs to be made in developing world agriculture. The FAO says that with rapid population growth
英语听力材料2009-10-09 -
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US President Barack Obama sounded an optimistic note about the state of global cooperation as he wrapped up the G20 summit.
"And here in Pittsburgh, we’ve taken several
英语听力材料2009-10-09 -
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Some people like to think there’s something fated about who we fall in love with. It’s that perfect mix of attraction, compatibility, and of course timing. But in some c
英语听力材料2009-10-09 -
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The cemetery in South Phyongan province is the largest of the dozens honoring Chinese soldiers who lost their lives during the Korean War more than half a century ago.Acco
英语听力材料2009-10-08 -
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Does the fair sex(the fair sex: women) have the bigger mouth? According to UK-based study, you bet your sweet mildly contagious bippy they do.(bippy: an unspecified part o
英语听力材料2009-10-08 -
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Bad news for exporters in the world's second largest economy as if the global economic slowdown were not enough to currency markets, making it very difficult for Japan's
英语听力材料2009-10-08 -
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The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale University’s Thomas Steitz, and Ada Yonath
英语听力材料2009-10-08 -
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The Nobel Prize in physics goes to Charles Kao, of Standard Communications Labs in England and the Chinese University of Hong Kong, and George Smith and Willard Boyle of B
英语听力材料2009-10-07 -
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The United States today sent the first installment of a multi-million dollar assistance package to the Indonesian Island of Sumatra, to aid victims of the recent earthquak
英语听力材料2009-10-07 -
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Now from the Boston Museum of Science Sci-Tech Today on NECN.
You’ve likely heard of drug-sniffing dogs. Today we learn about the next wave of cargo screening. Researche
英语听力材料2009-10-07 -
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Chinese Celebrate Mid-Autumn Festival in Modern and Traditional WaysPeple in China celebrate in various ways the traditional Mid-Autumn Festival which fell on Saturday thi
英语听力材料2009-10-07 -
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1. Officials say a second earthquake hit Indonesia early today. The one-two punch toppling buildings and trapping thousands of people. The death toll already tops 500 but
英语听力材料2009-10-07 -
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The 2009 Nobel Prize in physiology or medicine goes to Harvard’s Jack Szostak, Johns Hopkins’s Carol Greider and Elizabeth Blackburn at U.C. San Francisco for their work
英语听力材料2009-10-06 -
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The U.N. Secretary-General is condemning the terrorist attack that killed five World Food Program aid workers in Islamabad, Pakistan. Several other people were injured in
英语听力材料2009-10-06 -
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More than 220 people have been killed and more than 1.5 million others have been displaced by massive floods which have devastated parts of Southern India in the past five
英语听力材料2009-10-06 -
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One of my fondest memories as a child is going by the river and sitting idly on the bank. There I would enjoy the peace and quiet, watch the water rush downstream and list
英语听力材料2009-10-05 -
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Beijing has planned every moment, every detail of Friday's celebration to mark 60 years of communist rule. And to ensure everything goes according to plan, a massive secu
英语听力材料2009-10-05 -
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This was about fixing a goal. They were voting for a hope--a distant aspiration, but the symbolism was strong--the world's most powerful states in agreement and an Americ
英语听力材料2009-10-05 -
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As the U.S. unemployment rate continues to rise, President Barack Obama says reforming the nation's health care system will help small businesses put people back to work.
英语听力材料2009-10-04 -
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Chicken feet, they may not sound appetizing to some. But to the Chinese, they are a delicacy, especially the ones from the US.
They are bigger, meatier and tastier.
Th
英语听力材料2009-10-04 -
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For more than two years, the city of the Chicago has led an unprecedented effort to bring the 2016 Summer Olympic games to the Midwest United States. That effort ended in
英语听力材料2009-10-03 -
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When there are Nobel prizes there are Ig Nobel prizes, which were handed out at Harvard on October 1st. The awards honor research that “makes people laugh and then makes
英语听力材料2009-10-03
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