Цены на нефть взлетели до максимума за полгода17:55
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。关于这个话题，WPS下载最新地址提供了深入分析
Monica de Bolle, senior fellow at the Peterson Institute for International Economics, agrees that PDVSA is in a parlous state.，更多细节参见WPS官方版本下载
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Rebecca Morelle,Science Editorand