Companies O and P each have the same number of employees who work the same number of hours per week. According to records maintained by each company, the employees of Company O had fewer job-related accidents last year than did the employees of Company P. Therefore, employees of Company O are less likely to have job-related accidents than are employees of Company P.
157.
Which of the following, if true, would most weaken the conclusion above?
(A) The employees of Company P lost more time at work due to job-related accidents than did the employees of Company O.
(B) Company P considered more types of accidents to be job-related than did Company O.
(C) The employees of Company P were sick more often than were the employees of Company O.
(D) Several employees of Company O each had more than one job-related accident.
(E) The majority of job-related accidents at Company O involved a single machine.
157.
The data used to support the conclusion come from the companies’ own records. Since, however, choice B indicates that, as compared with Company O, Company P tends to overstate the number of job-related accidents, choice B weakens the conclusion drawn and is the best answer.
Choice A does not weaken the conclusion, but is simply a consequence that would be expected given the data. The relevance of employees’ sicknesses (choice C) cannot be assessed without information about the links, if any, between sickness and job-related accidents. Choices D and E both give reasons for predicting a smaller likelihood that any arbitrary employee of Company O will have a job-related accidents, and thus support the conclusion.
討論區沒有這題
唉...我實在才疏學淺
請哪位牛人指點我一下
關於D和E的解釋
我抓不到意思阿
这两个选项我也想了好久，勉强想出点东东，不知对否，请指教:
(D) Several employees of Company O each had more than one job-related accident. —>可能是说明任何一个任意胡为的O雇员工伤的机会都要小（比如：大家都有100个员工，O有40件工伤是由20个员工引起的，而P有80件工伤是80个员工引起的，因此O员工受伤的可能性整体偏小），都是基于前提给的事实进行推理
(E) The majority of job-related accidents at Company O involved a single machine. —>可能是说：只是一部机器造成大部分的工伤，别的机器不造成工伤，因此整体的工伤可能性会小
欢迎讨论！
感觉OG前半部分的题目答案都非常清晰，取向明显，后面的题正确答案越来越不明显，好像新娘的盖头，偶们不光要掀开来瞅瞅这个新娘长得像不像，还得将她的言行举止来一一验证，判断她就是你的相亲对象：）
(B) Company P considered more types of accidents to be job-related than did Company O.乍一看这个选项可能不太容易将它与削弱题的答案连系到一块儿去，但如果加入原文的前提条件--O比P的工伤数量少，就可以发现B选项其实是对前提进行了解释--之所以O比P的工伤少，是因为P定义的工伤范围要广，并不是因为O比P更安全。因此B选项起的是解释前提，而削弱结论的作用
豁然开朗，谢谢啦。
ding
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