GRE填空题:解析2012年新GRE填空题最新考试技巧(8)
2012年新GRE考试填空题技巧完全解析(8) The term "rare earth" is in fact a_ , for paradoxically, the rare_earth elements are in actuality , being present in low concentration in virtually all minerals. (A) truism ... essential (B) misnomer ... ubiquitous...