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标题: GWD15-Q30 求解 [打印本页]

作者: diwa755 时间: 2011-6-6 02:52
标题: GWD15-Q30 求解

?30. GWD21-Q30:

?In the past, most children who went sledding in the winter snow in Verland used wooden sleds with runners and steering bars.Ten years ago, smooth plastic sleds became popular; they go faster than wooden sleds but are harder to steer and slow.The concern that plastic sleds are more dangerous is clearly borne out by the fact that the number of children injured while sledding was much higher last winter than it was ten years ago.

?Which of the following, if true in Verland, most seriously undermines the force of the evidence cited?

A.A few children still use traditional wooden sleds.

B.Very few children wear any kind of protective gear, such as helmets, while sledding.

C.Plastic sleds can be used in a much wider variety of snow conditions than wooden sleds can.

D.Most sledding injuries occur when a sled collides with a tree, a rock, or, another sled.

E.Because the traditional wooden sled can carry more than one rider, an accident involving a wooden sled can result in several children being injured.

本人觉得是A，因为还有小孩用traditional wooden sleds，injured 的小孩可能是那些用traditional wooden sleds的。
答案：C

作者: sdcar2010 时间: 2011-6-6 03:56
In GMAT CR question, when the author says A is better than B, the assumption is that he or she is comparing A and B under IDENTICAL conditions. A quick way to weaken the argument is to point out the comparison is UNFAIR since the conditions for the comparison are NOT identical. C does just that.

A is not the correct answer since the author does not deny that wooden sleds are still in use, although they are less popular than the plastic ones. You cannot weaken a conclusion by repeating what is said or implied in the stimulus.

作者: camelo777 时间: 2011-6-6 10:21
LZ首先A有一个重大的问题，A只不过说是A few children still use traditional wooden sleds，这是很小的一部分，而题目中说的受伤的增长是much higher，所以是不能削弱的，其余的同意LS的观点

作者: diwa755 时间: 2011-6-6 10:35
感激。谢谢楼上。

作者: thechooosenone 时间: 2011-9-12 15:43
精辟~我愿意为我懂了的……看完才知道没明白本质~

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