lastic sleds can be used in a much wider variety of snow conditions than wooden sleds can.GWD 21-30
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. (B)
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.
答案觉得其他4个都不对，只有选B。但是B是怎么削弱的呢？ 没带护具，但是以前用木板的时候也没护具啊，受伤的多了还是说明塑料的危险啊
谢谢 急啊！
WEAKEN不需要理由有充分性，只要能针对论据“出击”就可以了，LZ不用想太多。
只要找到一个理由，能说明现在孩子更容易受伤的原因不来自难控制方向和减速的plastics sleds就行，而不用再把这个理由兑现到题目情境中，推出更深的结果来。
好的！
谢谢！
好的！
谢谢！
up!
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