标题: 请问885 S 10中的２４ [打印本页] 作者: 欧阳可情 时间: 2004-1-24 08:42 标题: 请问885 S 10中的２４ ２４．Recently implemented “shift-work equations” based on studies of the human sleep cycle have reduced sickness, sleeping on the job, fatigue among shift workers, and have raised production efficiency in various industries. (A) fatigue among shift workers, and have raised (B) fatigue among shift workers, and raised (C) and fatigue among shift workers while raising (D) lowered fatigue among shift workers, and raised (E) and fatigue among shift workers was lowered while raising 答案是Ｃ， 我选Ｄ，raised前面可以理解为省略了一个ＨＡＶＥ． 我觉得Ｃ不对劲啊， while raising和前面的have reduced 不是不并列了吗？ 请指教，谢谢！