精选优质文档-倾情为你奉上SAT test 51.For a long time, most doctors maintained that taking massive doses of vitamins was relatively harmless; now, however, some are warning that excessive dosages can be _.(A) healthy adj. 健康的(B) expensive adj. 昂贵的(C) wasteful adj. 浪费的(D) toxic adj. 有毒的(E) inane adj. 愚蠢的解析：D，在很长的一段时间里，大多数医生认为用大量的维他命是无害的;不过现在有些人警告过量食用会-。这里however表示转折与前面的harmless是相反的意思。2. In Jamaica Kincaids novel Lucy, the west Indian heroine _ her
