gwd3-40

woliger · 发表于 2010-5-9 09:09:41

GWD3-40
Two centuries ago, Tufe Peninsula became separated form the mainland, isolating on the newly formed Tufe Island a population of Turfil sunflowers. This population’s descendants grow to be, on average, 40 centimeters shorter than Turfil sunflowers found on the mainland. Tufe Island is significantly drier than Tufe Peninsula was. So the current average height of Tufe’s Turfil sunflowers is undoubtedly at least partially attributable to changes in Tufe’s environmental conditions.
Which of the following is an assumption on which the argument depends?
A. There are no types of vegetation on Tufe Island that are known to benefit from dry conditions.
B. There were about as many Turfil sunflowers on Tufe Peninsula two centuries ago as there are on Tufe Island today.
C. The mainland’s environment has not changed in ways that have resulted in Turfil sunflowers on the mainland growing to be 40 centimeters taller than they did two centuries ago.
D. The soil on Tufe Island, unlike that on the mainland, lacks important nutrients that help Turfil sunflowers survive and grow tall in a dry environment.
E. The 40-centimeter height difference between the Turfil sunflowers on Tufe Island and those on the mainland is the only difference between the two populations.
请教一下，有人能翻译一下：Tufe Peninsula became separated form the mainland, isolating on the newly formed Tufe Island a population of Turfil sunflowers这句吗？isolating的主语是那个？，谢谢

Bourne_NY · 发表于 2010-5-9 23:39:38

isolating没有主语，也不是一个句子的谓语，而是分词结构表结果——就是两个世纪前Tufe半岛被从大陆分离开来（变成了一个岛），导致了岛上的葵花与大陆上的葵花分离。

Rebeldom · 发表于 2010-5-10 11:56:10

我看答案是C,
tufe peninsula 就是mainland,之中分出来了个tufe island

woliger · 发表于 2010-5-11 08:45:36

应该有动作的发出者或接受者吧？

Rebeldom · 发表于 2010-5-11 11:59:40

要证明的是仅仅因为ISLAND的气候干燥导致了高度的差距,而不是因为本身MAINLAND上的气候发生了很大的变化

gwd3-40

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