The city has proposed a number of water treatment and conservation projects the cost of which raises water bills high enough so that even environmentalists are beginning to raise alarms.


the cost of which raises water bills high enough so that

at a cost raising water bills so high that

at a cost which raises water bills high enough so

whose cost will raise water bills so high that

whose cost will raise water bills high enough so that

考题讲解

题目分析:

本题意思是:城市提出了一些保护式的条款,这些条款的成本会让水费的价格上升,如此以至于有一些环保主义者甚至都会感到警示。


选项分析:

选项A:首先,the cost of which可以看作一个名词,但是,名词不能做后置定语,只能做前置定语。例如:
(1) woman teacher
(2) **teacher woman
(1)是正确的,woman是名词,这里做teacher的定语。(2)是错误的(也不能说完全错,只不过如果想表达“女教师”,一般不这么用)。
另外,enough和连词so that在语意上有赘余,都表示“足以,就怎么样”。

选项B:raising water bill是现在分词短语,在本选项中做定语修饰名词a cost。整个at a cost raising water bill是介词短语,作定语修饰projects。在逻辑上,应该是“项目的成本”而不是“在成本上的项目(at表示“在”)”,因此,应该用whose引导定语从句修饰projects,不能用介词短语。

选项C:at a cost介词短语错误同(B);enough和连词so that在语意上赘余错误同(A)。

选项D:Correct. 本选项在语法和逻辑上均是正确的。

选项E:enough和连词so that在语意上赘余错误同(A)。

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