New equipment and other improvements reduced the amount of time-from eleven hours in 1982 to six in 1988-needed by workers so that they could produce a ton of steel.
New equipment and other improvements reduced the amount of time—from eleven hours in 1982 to six in 1988—needed by workers so that they could produce a ton of steel.
A. needed by workers so that they could produce
B. needed when workers are producing
C. workers need in producing
D. workers needed to produce
E. workers need for their producing of
Spencer125 发表于 2013-8-5 11:41
谢谢,你解释的合理。但能否能这样理解。need 的被动语态只能是need to be done. A中hours needed by wor ...
我觉得你的想法还是有些不对。因为这道题正确答案D里用到的也只是need to do sth.这个结构,而不是被动结构。
其实句子说成new equipment reduced the amount of time needed by workers to produce a ton of steel.也没有大的语法错误。因为加粗部分的主干部分是needed to produce..., by workers只是needed的一个动作施加者,而不是整个短语的必要结构。