单词：amanita sychnopyramis subannulata
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This is Scientific American's 60-Second Science. I'm Chirisopher Intagliata, got a minute? But mum, that's not fair! sound familiar? Even as children we hate getting gypped, whether it's fewer slices of pizza or lousy presents from Santa. More surpri
Scientific American(四)月
By Gilbert da Costa Abuja 23 May 2007 Before the deadline for petitions challenging April's presidential vote, at least seven opposition candidates have filed the necessary documents. For VOA, Gilbert da Costa in Abuja reports that the opposition is
2007年VOA标准英语（五月）
The White House and congressional Democrats continue to press for a federal-tax-cut extension that would benefit nearly all wage and salary earners, but especially the middle class. Paying for the extension remains a sticking point on Capitol Hill, w
英语新闻
Fifty-four percent of the world's population 世界上54%的人口 lives in our cities. 居住在城市。 In developing countries, 在发展中国家， one third of that population 有三分之一的人 is living in slums. 居住在贫民窟。 Sev
TED演讲教育篇
在外国如何打出租车Takeataxi A： Manhattan Square， please. B： All right， sir. When are you supposed to be there？ A： Id like to go around the city， if you dont mind. －请到曼哈顿广常 －好的，先生。要求几点到。
实用英语