联合国签署过的所有关于石油的文件?
这个虽然富含石油,可是联合国最新的一份研究显示,在接受调查的187个国家中,这个国家在教育、收入等生活质量指标位仅列156位. 译文如下请参考:Though it is an oil-rich country,a latest research from the UN shows that among the 187 countries being researched,this country only ranks as the 156th for the living quality index such as education,welfare,etc.
D.世界石油输出国组织的标志