再讨论GWD 21-30

赫连勃勃

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.     lastic 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.

答案有B有C,我觉得是A。

证明塑料雪橇危险的证据是使用雪橇的孩子受伤的绝对数据比以前大，要削弱这个数据B显然没用，C中的应用范围和危险指数或者孩子受伤的数量也没必然联系。A说还有一部分孩子用传统雪橇，就说明证据里的数字不一定是塑料雪橇造成的。另外一种方法削弱就是说10年后使用雪橇的孩子基数也大大增加了，但选项里没有类似的。C有点像，但范围和人数没有必然联系。

不知道有没有标准答案？

open to discuss

乌龙茶

A 中的a few如果换成some或其他应该就选A吧，但是a few感觉没有weaken的作用

B 现在孩子的保护装置怎样和10年前没有有效对比，应该不是正确选项吧

C 因为使用的范围大，所以受伤几率大，正确

if I am wrong pls correct me

[此贴子已经被作者于2005-12-30 16:38:19编辑过]

lawyer_1

同意乌龙茶的答案。A错在原文说Popular,它和a few, some都没矛盾，即使改为some也不是答案。改为Most才是答案。B 没有讲现在和10年比，所以不是答案。C指出使用范围变大，使用的人也多，当然受伤的人也多，而不是使用塑料的原因。它因削弱。

lawyer_1

There are two mistakes for choice E. One is that E doesnot mention plastic sleds carried more people or wooden sleds. Perhaps plastic sleds also carried more than one people. Another mistake is that: even E says wooden sleds loaded more riders than palstic sleds, it supports the conclusion instead of weakening. Becuase it means more acidents with plastic sleds riding.

双鱼游

仰视lawyer牛牛

sunshengkun666

应该是c，削弱题论据为比较，则答案1削弱这种比较2举出另一种比较