单词：congelifractate
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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. In 2005 two scientists won a Nobel Prize for discovering that a bacterium called Helicobacter pylori causes most stomach ulcers. One of them even chugged a
Scientific American(七)月
第一次在纽约时报上看到这篇文章，记得是在一个晴朗冬日的午后。懒懒的阳光穿过图书馆陈旧的木窗，洒落在一排排报纸杂志上，我正犹豫着该拿份什么
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Two top Israeli envoys are in the Egyptian capital, Cairo, to attend talks with Egyptian mediators, in a bid to reach a ceasefire in Gaza. Palestinian representatives are meeting with the Egyptians separately. Egyptian diplomats are conducting gruel
VOA标准英语2009年(一月)
US Congress Prepares to Vote on Three Free Trade Pacts Both houses of the U.S. Congress are expected to approve free trade pacts with South Korea, Colombia and Panama. The accords were negotiated during the former Bush administration, and had been sh
VOA标准英语2011年(十月)
By Delia Robertson Johannesburg 14 March 2007 Zimbabwe opposition leader Morgan Tsvangirai says police brutally beat him and other opposition leaders following their arrest on Sunday. Mr. Tsvangirai was interviewed by a radio reporter who was at the
2007年VOA标准英语（三月）
The study found that men and women want different things when it comes to online photos。 研究发现，男人和女人对网络照片的看法大不相同。 Men tend to respond to photos in which the woman is at home, looking a little come-hither
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