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自由呼吸:设计炉灶的艺术Hints:AprovechoCottage GroveOregonLorenaDean Still deforestationEvery year Aprovecho holds a "stove camp" at its testing station in Cottage Grove, Oregon. Engineers, inven...
奥巴马助手公布经济计划 (2)
奥巴马的经济刺激计划的预计总共要耗资几千亿美元。AxelrodBob CorkerTennessee Axelrod said Mr. Obama will also fulfill a campaign promise to pursue a middle class tax cut as part of an overall plan ...
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对于6岁以下的儿童,铅中毒可能是致命的Experts say children and pregnant women should not be present during renovation work in housing that might have lead paint. Public health officials advise peo...
非洲银行期待改革(2)
非洲经济增长速度将达到20年以来的最高点-6%,银行的改革迫在眉睫As a result, loans from the Asian Development Bank are unnecessary. Yet, Mister de Tray says there is a small group of countries in As...