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.
答案c
我觉得是D啊，受伤是别的原因根塑料滑板无关，所以就削弱了是因为滑板的缘故才受伤的evidence啊
塑料滑板造成更多的受伤，因为塑料滑板用途更广，自然受伤人数更大。
我怎么觉得是B啊，因为题目上说“过去那些用wood sledd的人都带着runner 和 steering bar".那如果现在用plastic sledd的人都不带这些防护设备，不就解释了为什么发生事故的次数比较多吗？从而否定了结论事故是由plastic sledd引起的。 open for discussion
我选。。。C，evidence很清楚是 因为number of incidents were much higher last winner than it was 10 years ago。所以plastic sleds are more dangerous.假如发事故次数比较高是可以导致别的结论，那就可以weaken evidence.
A) 这个事实部分地说明，plastic更加危险。因为wood是被证明是更安全的。
B) 可能10年前也是这个样子的。
C) 活动区域和难度的扩大，可能导致事故次数增加。是有可能。
D) 这个support 了结论
E) 这个和结论无关。
argument: plastic are more dangerous because of the increasing number of injured children
A: doesn't state the relationship between dangers and plastic sleds
B: it could happen to children who use wooden sleds
C: the larger range of plastic sleds use the higher possibilites to have danger, not because the sled itself but the changing and hard environment, no matter what sleds you use, so it is very possible that the danger has nothing to do with plastic sleds.
D: same reason as 'B'
C is correct.
E: have nothing to da with plastic sleds
C.
Plastic sleds can be used in a much wider variety of snow conditions than wooden sleds can.
我的相关词方法又得到了充分的证明.
仅有 C说明了 Plastic sleds ....
I think ETS ...
30、GWD21-Q30:
In the past, most children who went sledding in the winter snow in Verland used
说以前阿，有这帮傻孩子（啥孩子呢，再冬天在V这地方滑雪的）用木的雪橇
wooden sleds with runners and steering bars. Ten years ago, smooth plastic
（什么样的木的雪橇呢，带着R S B这滥东西的）。说10年前啊，塑料的雪橇
sleds
became popular; they go faster than wooden sleds but are harder to steer
开始流行，这些塑料的啊比木的更快但是很难S和慢。
and slow. The concern that plastic sleds are more dangerous is clearly borne out
所以对塑料的那啥更危险的
是被清除了
by
the
fact that the number of children injured while sledding was much higher
被这个事实（啥时事呢，这帮傻孩子受伤多了比10年前）
last
winter than it was ten years ago.
原文说：说写滥雪橇更快更危险，更难控制的问题。注意：傻孩子受伤是结果，但不是主要说的。
Which of the following, if true in Verland, most seriously undermines the force of
the evidence cited?
削弱
A. A few children still use traditional wooden sleds.
说很少孩子用木雪橇 主体：用啥雪橇的问题
B. Very few children wear any kind of protective gear, such as helmets, while sledding.
说很少孩子穿保护膝盖在滑雪时。（这个人为是答案的你就自己推断了，加了东西，加了什么东西呢？你加的东西是：那我穿保护膝盖不就不容易受伤了吗？大哥大姐们，这个没人告诉我啊，我怎么知道她穿保护膝盖要干啥啊！）
C. Plastic sleds can be used in a much wider variety of snow conditions than
wooden sleds can.
说塑料的那啥能够被用更广的雪的条件比木的雪橇。
D. Most sledding injuries occur when a sled collides with a tree, a rock, or,
another sled.
更多的伤发生了当滑雪时
主体：说滑雪
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.
说一位传统的的木的雪橇更运的多比那木的发生事件的，结果傻孩子受伤。主体：说雪橇运的多。
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