标题: CR from OG [打印本页] 作者: bcool 时间: 2002-8-18 14:04 标题: CR from OG
A recent report determined that although only 3 percent of drivers on Maryland highways equipped their vehicles with radar detectors, 33 percent of all vehicles ticketed for exceeding the speed limit were equipped with them. Clearly, drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than are dirvers who do not.
The conclusin drawn above depends on which of the following assumptions?
A. Driver who equip their vehicles with radar detectors are less likely to be ticketed for exceeding the speed limit than are drivers who do not.
B. Drivers who are tickted for exceeding the speed limit are more likely to exceed the speed limit regularly than are drivers who are not ticketed.
C. The number of vehicles that were ticketed for exceeding the speed limit was greater than the number of vehicles that were equipped with rader detectors.
(累死我了)the ans. is B. 看了答案也不知道为什么. 哪位高人可否指点一下. 谢先!作者: primefang 时间: 2002-8-18 21:31
bcool: welcome to Robert
此题是典型的架桥型逻辑题
原文从 ticketed 与equiped with detector 的关系推出 equiped with detector 和exceed speed的关系，那么答案必然是说tickted 和exceed speed 的关系，你看一下B正是如此
A 是干扰项，虽然他也说到了两者，但是反了
C 说的是number显然是无关选项
此类题目，抓住原文的核心次就可以突破
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