[問題] Cr-pp3-90
In the nation of Partoria, large trucks currently have a much higher rate of
traffic accidents per mile driven than other vehicles do. However, the very
largest trucks—those with three trailers—had less than a third of the
accident rate of single- and double-trailer trucks. Clearly, therefore, one
way for Partoria to reduce the number of traffic accidents would be to
require shippers to increase their use of triple-trailer trucks.
Which of the following, if true, most seriously weakens the argument?
A. Partorian trucking companies currently use triple-trailer trucks only for
long trips using major highways, which is the safest kind of trip for large
trucks.
B. No matter what changes Partoria makes in the regulation of trucking, it
will have to keep some smaller roads off-limits to all large trucks.
C. Increased use of triple-trailer trucks would mean that large trucks would
account for a smaller proportion of all miles driven on Partoria’s roads
than they currently do.
D. In Partoria, the safety record of the trucking industry as a whole has
improved slightly over the past ten years.
E. The volume of truck traffic on Partoria’s highways could be reduced by
encouraging shippers to use rail transport whenever possible
請問一下這題 Argument:increase use of triple-trailer trucks-reduce accidents
正解A 我第一次做的時候 感覺很像是無關選項 但是我知道其他錯得更明顯
B:some C:無關比較 D:the past ten years不代表未來 E:無關的陳述
A的說法好像也沒有反駁到因果 請問這題是在考什麼?
謝
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