单词：poligraph
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这学期你最喜欢上哪门课，为什么，这样啊！ A: Hey Jack. How were your classes this semester? B: They were not too bad. I really liked my poli-sci class. A: Would you consider it your favorite class? B: I don't know if I would call i
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A: Hey Jack. How were your classes this semester? B: They were not too bad. I really liked my poli-sci class. A: Would you consider it your favorite class? B: I don't know if I would call it my favorite, but it ranks up there. A: What class was your
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It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co
VOA标准英语2010年(十)月
Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre
VOA标准英语2014年(二月)
By Navbahor Imamova Washington 16 November 2007 In most of Central Asia women are still struggling to find their place in the political arena. Despite the Soviet legacy of gender equality, women are still underrepresented in the highest levels of gov
VOA常速英语2007年（十一月）
MOSCOW, May 24 (Xinhua) -- Russia's Soyuz TMA-20 spacecraft with three crew members onboard has landed in Kazakhstan on Tuesday, said the Mission Control Center (MCC) outside Moscow. The spacecraft(宇宙飞船) undocked from the International Space
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