The steel industry has changed radically over the last two decades, as large, integrated companies such as Bethlehem Steel once conducted operations from mining at one end of the process to shipping at the other have greatly downsized, or in some cases shut down altogether.


as large, integrated companies such as Bethlehem Steel

as large, integrated companies, such as BethlehemSteel, that

with large, integrated companies, such as BethlehemSteel, that

while large, integrated companies, such as BethlehemSteel, that

and large, integrated companies such as Bethlehem Steel

考题讲解

题目分析:
本题难度并不大,只要能把整个句子主干提出来就基本上可以把题目直接选对。

选项分析:

A选项:本选项的错误主要在于选项最后少了一个连词that。整个题目的主句,包括不划线部分,是未划线部分的The steel industry has changed radically over the last two decades。划线部分加上划线部分的身后是该主句的原因状语。它的目的是去解释为什么会有一个改变,或者说这个改变是为什么发生的。整个原因状语的谓语动词是downsize,即,主干是:companies have downsized。因此,动词conducted必须出现在定语从句中,否则主句就将缺少连词,应在once conducted前加上连词that。有些同学可能会问,为什么我不能把conducted看成是个过去分词短语呢。答案是否定的,因为公司必须要主动发出conduct这个动作,而过去分词短语只能表示被动。

B选项:Correct. 本选项在语法和逻辑上均是正确的。

C选项:第一个词with就错了,因为with是一个介词,身面只能接名词或者名词性成分,不能接句子。这和未划线部分中出现的动词downsize不符。

D选项:本选项的错误在于while放在此处不恰当,应该用能表示因果关系的连词。这是因为,在逻辑上,是因为这些公司缩减了,所以才会有一个工业的改变。while只能表示同时或者转折,不能满足两句话的逻辑关系。

E选项:首先,动词conducted必须放在定语从句中,该错误同选项(A)。其次,连词and也无法合理的前后两句话因果的关系,该错误的原理上同(D)。

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