117. Scientists typically do their most creative work before the age of forty. It is commonly thought that this happens because aging by itself brings about a loss of creative capacity. However, studies show that of scientists who produce highly creative work beyond the age of forty, a disproportionately large number entered their field at an older age than is usual. Since by the age of forty the large majority of scientists have been working in their field for at least fifteen years, the studies' finding strongly suggests that the real reason why scientists over forty rarely produce highly creative work is not that they have aged but rather that scientists over forty have generally spent too long in their field.
In the argument given, the two portions in boldface play which of the following roles?
(A) The first is a claim, the accuracy of which is at issue in the argument; the second is a conclusion drawn on the basis of that claim.
(B) The first is an objection that has been raised against a position defended in the argument; the second is that position.
(C) The first is evidence that has been used to support an explanation that the argument challenges; the second is that explanation.
(D) The first is evidence that has been used to support an explanation that the argument challenges; the second is a competing explanation that the argument favors.
(E) The first provides evidence to support an explanation that the argument favors; the second is that explanation.
答案是(E)可以明白the second is a explanation,但是不太了解第一句從哪裡可以看出是a evidence to support an explanation that the argument favors ? 請NN解答了
However引出的现象（of scientists who produce highly creative work beyond the age of forty, a disproportionately large number entered their field at an older age than is usual. ）句子应该是和之前的观点有冲突的啊。
本来有一种说法是It is commonly thought that this happens because aging by itself brings about a loss of creative capacity.但是，作者提出了一个不同的例子反驳这个说法，作者说However, studies show that of scientists who produce highly creative work beyond the age of forty,；很明显，作者认为是从事这方面研究太长造成而不是年龄太大造成创造力下降，作者认为原因是：cientists over forty have generally spent too long in their field.
所以，第一个boldface是支持作者观点的证据a evidence to support an explanation that the argument favors
首先，推荐对此题有疑惑的筒子们看看这个贴子：http://forum.chasedream.com/GMAT_CR/thread-19296-1-1.html 其次，我就是根据这个方法来做的： 1、the first part:Scientists typically do their most creative work before the age of forty. It is commonly thought that this happens because aging by itself brings about a loss of creative capacity 2、the second part:However, studies show that of scientists who produce highly creative work beyond the age of forty, a disproportionately large number entered their field at an older age than is usual. Since by the age of forty the large majority of scientists have been working in their field for at least fifteen years, the studies' finding strongly suggests that the real reason why scientists over forty rarely produce highly creative work is not that they have aged but rather that scientists over forty have generally spent too long in their field. 3、其实E选项中的那个argument是指the second part 的argument，那就当然是FAVOR咯·
最后1句话“the real reason is not that they have aged but rather that scientists over forty have generally spent too long in their field” 怎么都看不懂是什么意思，“真正的原因不是科学家的年龄太大，而是他们在领域里研究的时间很长” ， 题目只是说“他们进入领域的时候年龄比较大” ，这和spent too long有什么关系呢？？
最后1句话“the real reason is not that they have aged but rather that scientists over forty have generally spent too long in their field” 怎么都看不懂是什么意思，“真正的原因不是科学家的年龄太大，而是他们在领域里研究的时间很长” ， 题目只是说“他们进入领域的时候年龄比较大” ，这和spent too long有什么关系呢？？
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发表于 2009-12-1 15:31:49
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