In undisturbed primary forests, the Honduran mahogany grows up to a height of 130 feet, having a buttressed trunk and a crown that spread over the canopy of lesser trees.


up to a height of 130 feet, having a buttressed trunk and a crown that spread

up to 130 feet in height, and with a buttressed trunk and a crown spreading

to as high as 130 feet in height, having a buttressed trunk and with a crown that spread

to a height of 130 feet, with a buttressed trunk and with a crown that spreads

as high a height as 130 feet, having a buttressed trunk and a crown spreading

考题讲解

题目分析:
首先,由于动词spread的单复数不同,所以其修饰的对象不同,主语也就有区别。在(A)(C)中,spread的主语为a buttressed trunk and a crown;在(B)(D)(E)中,其主语为a crown。

选项分析:

A选项:在逻辑上,能在较小的树顶上出现的肯定是“花冠 (crown)”,而不可能是“树干(trunk)”(树干总不能长在树顶上),更不可能是“花冠”和“树干”。另外,grow已经表达了“长大”的概念,不用再加介词up to,只需用to即可。

B选项:并列连词and需连接两个句子,但本选项and身后没有谓语动词,身前也没有能因为功能平行而与with短语平行的内容。up to错误同(A)。

C选项:as high as和in height是赘余的,均表示长“高”。另外,分词短语 having a buttressed trunk和介词短语 with a crown that spread over the canopy of lesser trees不平行。

D选项:Correct. 本选项在语法和逻辑上均是正确的。

E选项:as high as和a height是赘余的。

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Prep2012-SC

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