单词:chloromercuritoluene
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被困在不健全的制度下,一个国家怎么可能脱贫呢?经济学家Paul Romer提出全新见解:特别市,由多国联合政府管理的、城市规模的管理区域。(关塔那摩湾会变成下一个香港么?)
River Basins Could Help Ensure Food Security The worlds major river basins may hold the key to doubling food production in the coming years. The idea was discussed at the 14th World Water Congress in Brazil. A new report says while water shortages do
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By Sonja Pace Heiligendamm 07 June 2007 Leaders of the world's richest industrial nations wind up their three days of meetings in northern Germany on Friday. Their last day is to be devoted mostly to Africa - alleviation of poverty, debt relief and a