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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. 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. (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.

答案是B,我选C.记得好像做过,找不到了,哪位帮着看看?谢谢

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up!!!!

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为什么不选E,指出还有别的因素。B根本没有作对比,谁知道十年前小孩穿不穿护具的?选项根本没说。

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好象B更好,指出不是因为快,而是因为用途广。

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