Personnel officer: The exorbitant cost of our health-insurance benefits reflects the high dollar amount of medical expenses incurred by our employees. Employees who are out of shape, as a group, have higher doctor bills and longer hospital stays than do their colleagues who are fit. Therefore, since we must reduce our health-insurance costs, we should offer a rigorous fitness program of jogging and weight lifting to all employees, and require employees who are out of shape to participate.

Which of the following, if true, provides the most support for the personnel officer's proposal?


The medical expenses incurred by fit people who participate in a program of jogging and weight lifting are less than those incurred by fit people who do not participate in such a program.

More otherwise fit people are injured by participating in rigorous jogging and weight-lifting programs than are injured by participating in moderate jogging and weight-lifting programs.

The likelihood of incurring medical expenses is slightly greater for people who participate in fitness programs offered by their employers than it is for people who participate in programs offered commercially.

Moderate fitness programs increase the average person's fitness to the same extent that rigorous fitness programs do.

More health problems and injuries are the result of mandatory participation in a fitness program than are the result of voluntary participation.

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情景：员工健康保险福利的成本很高表明了员工们在医疗上的花费很高。那些过胖的雇员比一般的雇员在医药费和住院时间上都多。因此，由于我们必须减少成本，所以我们应该要求过胖的雇员参与一个慢跑减重的项目。

推理：推理文段的结论句是一个方案，并且问题最后要我们评估这个方案，因此，本题是方案推理，推理结构为：
目标：To reduce our health-insurance costs
方案：We should offer a rigorous fitness program of jogging and weight lifting to all employees, and require employees who are out of shape to participate

选题方式：方案推理有三个评估方向，简而言之，即，答案选项一定和方案的内容相关。

选项分析：

A选项：Correct. 参加慢跑活动的健康人的医疗花费要比不参加慢跑活动的健康人的医疗花费要低。将本选项取非，即，如果参加慢跑的健康人医疗花费比不参加的人要高，那么慢跑这个方案显然不一定能达成“减少医疗花费”这个目标。因为纵然胖人确实减少了花费，但是健康人增加了花费，实在无法断定总的花费是比以前高还是低，可以削弱方案推理，所以本选项为正确选项。

B选项：更多参加严格的慢跑活动的健康人比参加温和一些的慢跑活动的人受伤。本选项描述了施行该方案可以会导致人员受伤，也许是一个潜在的副作用。所以该选项可以削弱原文，属于CQ3方案的否定性副作用。由于问题问的是加强，所以本选项应该被排除。

C选项：被雇主提供而参加慢跑项目的健康人员涉及到的医疗花费比可能比被推销（commercially）而参加慢跑项目的健康人员要高。无论被雇主提供慢跑项目的人是否会比自己报的人花费更高，只要比不参加花费低，那么该项目就可以达到目标。

D选项：温和的慢跑项目和严格的慢跑项目在提升人们健康的效果上是一样的。本选项描述的是温和的项目与严格的项目（题目中的方案）之间效果相同，没有提及方案本身所带来的问题，所以本选项不是正确选项.

E选项：强制的健身项目比自愿的健身项目更容易受伤。本选项算是给出了强制项目的一个副作用，可以在一定程度上削弱此方案推理，但题目问的是加强，所以不是答案。

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Prep2008E2-CR
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