标题: [求助]请问929 [打印本页] 作者: bipedalism 时间: 2003-12-12 18:41 标题: [求助]请问929 929.While larger banks can afford to maintain their own data-processing operations, many smaller regional and community banks are finding that the cost associated with upgrading data-processing equipment and with the development and maintenance of new products and technical staff are prohibitive. (A) cost associated with (B) costs associated with (C) costs arising from (D) cost of (E) costs of OG219 这道题答案是B,我选了A.OG的解释是: The correct option must offer a noun that agrees in number with the plural verb are, the second-to-last word in the sentence, to produce the grammatical sequence costs ... are prohibitive.
请大家指教,谢谢作者: bettyofarim 时间: 2003-12-12 18:50
are 是that 从句的谓语呀，应该是和主语costs 一致的。至于那些and连的，是修饰costs的。化简的结果是：that the cost （associated with upgrading data-processing equipment and with the development and maintenance of new products and technical staff ）are prohibitive. 作者: bipedalism 时间: 2003-12-12 19:15
哎,清楚了,谢谢berryofarim