标题: 状语省略的省略条件"be" [打印本页] 作者: wangjieava23 时间: 2012-5-4 15:55 标题: 状语省略的省略条件"be" 我对状语省略中的一个省略条件要求是"be", 一直很奇怪。 206.(GWD-21-Q29)While studying the genetic makeup of corn, a new class of mutant genes was discovered by Barbara McClintock, a discovery which led to greater understanding of cell differentiation.
A.a new class of mutant genes was discovered by Barbara McClintock, a discovery which led B.a new class of mutant genes in corn were discovered by Barbara McClintock, leading C.Barbara McClintock discovered a new class of mutant genes, and it led D.Barbara McClintock discovered a new class of mutant genes, a discovery that led(D) E.Barbara McClintock, who discovered a new class of mutant genes, leading
"while studying the genetic makeup of corn”, 这种形式就是主语缩略一下. studying 不是 be studying 的一种缩略，而是表示主动时用studying, 表示被动时用studied.
比如 og 134 134. 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