GMAT考题OG2019-SC-787,SC句子改错真题解析

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今天分享一个SC句子改错真题解析。

SC句子改错原题

题目:The World Wildlife Fund has declared that global warming, a phenomenon most scientists agree to be caused by human beings in burning fossil fuels, will create havoc among migratory birds by altering the environment in ways harmful to their habitats.

选项:

A,a phenomenon most scientists agree to be caused by human beings in burning fossil fuels,

B,a phenomenon most scientists agree that is caused by fossil fuels burned by human beings,

C,a phenomenon that most scientists agree is caused by human beings’ burning of fossil fuels,

D,which most scientists agree on as a phenomenon caused by human beings who burn fossil fuels,

E,which most scientists agree to be a phenomenon caused by fossil fuels burned by human beings,

正确答案是:C

OG2019-SC-787真题解析

题目分析:
本题的划线部分是global warming的同位语或者定语,它的变化并不影响整个句子主干的表达。

选项分析:

A选项:首先我们需要先把这个句型看懂,由于先行词a phenomenon在其身后的定语从句中充当宾语,所以这里省略了引导词that,补全则有:
a phenomenon that most scientists agree to be caused by human beings in burning fossil fuels
在定语从句中,若将先行词代入位置,则有:
most scientists agree a phenomenon to be caused by human beings in burning fossil fuels
在本选项中,引起这个现象的是human beings in burning fossil fuels,这个名词短语中的核心词是human beings。但在逻辑上,真正引起气候变暖的应该是人类焚烧化石能源这个行为,而不是人类本身。
另外,agree A to be B不是正确的表达,应该用agree that A do B。(考查“不定式和从句的区别”,由于agree的约束力较弱,所以必须用宾语从句)

B选项:本选项中先行词a phenomenon实际上是做agree的宾语从句中的主语,即:
most scientists agree that a phenomenon is caused by fossil fuels burned by human beings
同(A)理,正引起气候变暖的应该是人类焚烧化石能源这个行为,而不是化石燃料本身。

C选项:Correct. 本选项在语法和逻辑上均是正确。本选项a phenomenon身后的定语从句学名叫嵌入式关系分句。

D选项:cause逻辑主语的核心词错误同(A)。

E选项:cause逻辑主语的核心词错误同(B)。

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