On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles, as seen in the rings visible in the cross sections of their trunks.
语法 Sentence Correction-3438
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spyalien 2014-10-27 22:08:24
为什么不选C: on earth是一方面，但不是硬伤。硬伤来自于后面 as seen的修饰对象。as seen说的是“正如（我们在）树桩上的年轮所看到的那样”。从语义上，应该修饰树的成长，把句子还原就是，trees grow at the rate as seen in the rings visible in the cross sections of their trunks. 树木增长的速度，从树桩上年轮的圈上可见一斑。 C选项，使得as seen的修饰对象变成了sunspot cycles，语义完全错误了。
lyqsunny 2014-06-27 15:06:27
(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 AB倒装结构单复数不对 D谓语结构不完完整
monster怪獸 2016-03-18 19:20:50
当选项徘徊犹豫时 往下继续看 尝试用语意来解题
ChessyG 2016-12-09 05:36:46
some things wrong with c: * the placement of 'on earth' is just as problematic as in choice a (again, the sentence seems to be saying that residents of other planets disagree with us). * 'as seen in the rings...' is a modifier that must be placed next to the thing that it modifies, which is 'the rate at which trees grow'. the way choice c is currently written, it says that indications of sunspot cycles can be seen directly in the rings - and it also implies that sunspot cycles (instead of trees) have rings!
Monicca 2016-11-16 16:25:43
就近修饰：sunspot cycles 被在树桩上看到，不合逻辑
AAAOI 2016-11-12 12:17:37
Among… is believed to be… 倒装结构，主语是the rate，由which引导定语从句修饰。不要改变句子的重点和逻辑结构!!!
AAAOI 2016-11-12 12:16:34
Among… is believed to be… 倒装结构，主语是the rate，由which引导定语从句修饰。
励志yy 2016-11-11 12:58:12
on earth应该修饰indications，as seen。。。修饰的应该是trees grow，而不是sunspot cycles
mer1994 2016-11-09 20:12:49
as 就近修饰sunspot cycle，语义不对。应该修饰the rate at which tree grow
Zee5284 2016-10-31 01:15:30
从语义上，应该修饰树的成长，把句子还原就是，trees grow at the rate (is believed to be among the surest indications of sunspot cycles)as seen in the rings visible in the cross sections of their trunks. 树木增长的速度，从树桩上年轮的圈上可见一斑。 C选项(。。。)，使得as seen的修饰对象变成了sunspot cycles太阳黑子运动周期，语义完全错误了。
ColdSheldon 2016-10-10 16:03:06
语法上C没有错 但是 要注意到GMAT一直很强调 modifier 与 被修饰对象的 因为 位置变化而引起的 理解问题 这里就是因为 as seen 引导的状语从句，从位置上来说是修饰 sunspot cycles 但是语义上应该修饰the rate trees grow
Zee5284 2016-10-05 06:20:01
？？？待分析
糯米团子QUQ 2016-10-04 15:43:24
如果是C，as seen就是修饰sunspot cycles，选E才是修饰rate。
