请教GWD-11-26

haoqian2009

GWD-11-26

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

 

此题答案选E

不明白为什么cycles用单数is

enrique1313

among 在句首要倒装！

正常的语序应该是，the rate at which.....is believed to be among the surest indication on earth of sunspot cycles .

所以要用is。。。。

haoqian2009

多谢了！

meowlac

请问为什么不能选C？

AlienX

"On Earth"的位置不對, 不論它是修the rate還是is believed

wzsgdtc

？这题不是选C么？怎么我这里的答案给的是C？

newjoshkao

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