[求助]涛涛2-4

MayFair

Q4:

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C

B 为什么不好？

as seen in the rings visible in the cross sections of their trunks 在句中是什么成分？

先谢谢了

MayFair

是不是我的问题太菜了？没有系统复习过语法，现在语法失错的最多最不靠谱的了。

MayFair

有一点感觉了。还是希望明人指点B选项的问题。

among the surest indications of sunspot cycles 只能接谓语单数吗？

先谢了

顾风

以下是引用MayFair在2006-7-31 3:08:00的发言：

Q4:

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C

B 为什么不好？

as seen in the rings visible in the cross sections of their trunks 在句中是什么成分？

先谢谢了

as seen是与 sunspot cycles做对比。。。所以只有C合适

MayFair

谢谢顾风答疑解惑。很有道理！

MayFair

我在做题的时候觉得是“as seen“指 “tree growth“