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.


needed by workers so that they could produce

needed when workers are producing

workers need in producing

workers needed to produce

workers need for their producing of

考题讲解

题目分析:

本题首先需要先将主干提取正确,其主句为:
New equipment and other improvements reduced the amount of time.
划线部分是time的定语


选项分析:

A选项:过去分词短语needed by workers so that they could produce a ton of steel是time的定语。变为正常语序则有:
Time is needed by workers so that they could produce a ton of steel.
从句so that they could produce a ton of steel需改为不定式短语 to produce a ton of steel。这点考查了不定式和从句的区别。用之于本题,由于需判断的部分是宾语的补足语,所以应由谓语动词need的约束力决定。显然地,本题中need的约束力较强,所以应用不定式短语。

B选项:本选项中 when workers are producing a ton of steel是need的时间状语从句。但在逻辑上,我们不能说“当工人生产一吨钢的时候,时间是被需要的”,而应该说“工人生产一吨钢所需要的时间”。即,生产钢应为need的宾语的补足语。

C选项:need应用过去时needed;另外,介词短语in producing a ton of steel需改为不定式短语 to produce a ton of steel,这点考查了不定式和ing的区别。用之于本题,同理于选项(A),need的约束力较强,应该用不定式短语。

D选项:Correct. 本选项在语法和逻辑上均是正确的。

E选项:本选项错误同选项(C)。

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Prep2008E1-SC

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