GWD10的另一道语法题

Q26:

On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.

1. On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow

2. On Earth, among the surest indications of sunspot cycles are, it is believed, the rate of tree growth

3. On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles

4. Among the surest indications on Earth of sunspot cycles, believed to be the tree growth rate

5. Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees grow

答案是C，请问E错在哪里？

有道理，但是我当时第一眼就排除了C,因为cycles会混淆后面的their。结果这不算是个错误。

是，句子的逻辑意思是放在第一位的。

昏,这题PREP上都给出官方答案了,你们还在讨论错误答案~~

On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow,

as seen in the rings visible in the cross sections of their trunks.

(A) On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees

grow

(B) On Earth, among the surest indications of sunspot cycles are, it is believed, the rate of tree

growth

(C) On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot

cycles

(D) Among the surest indications on Earth of sunspot cycles, believed to be the tree growth rate

(E) Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees

grow

句子结构：Among… is believed to be…

倒装结构，主语是the rate，由which引导定语从句修饰。

考点：句子结构、逻辑表达、主谓一致

句子结构-倒装，介词短语作表语提到句首，整个句子使用倒装结构。

逻辑表达，状语的位置要合理，结合句意看是否符合逻辑。

主谓一致，倒装结构的句子主语不太明显，要找对主语，并注意其单复数。

(A) among倒装，主语应该是the rate，所以应该用单数is。

(B) among倒装，主语应该是the rate，所以应该用单数is；tree应该用复数，使未划线部分的their有

一致的指代对象。

(C) on earth   放置句首修饰整个句子，不符合逻辑；their                                            的指代存在歧义，离它最近的是                                                                  sunspot

cycles，未划线部分的 as seen 应该要紧跟其修饰的名词。

(D) tree应该用复数，使未划线部分的their有一致的指代对象；谓语结构不完整，应该用is believed

被动语态。

(E)  正确，on Earth修饰indications，主语是the rate，谓语动词用单数is。

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