GWD30-Q27

Personnel officer:  The exorbitant（过高的） cost of our health-insurance benefits reflects the high dollar amount of medical expenses incurred by our employees.  Employees who are out of shape（处于不良健康状况的）, as a group, have higher doctor bills and longer hospital stays than do their colleagues who are fit（健康）.  Therefore, since we must reduce our health-insurance costs, we should offer a rigorous（严格的） fitness program（健身运动） of jogging（慢跑） and weight lifting（举重） to all employees, and require employees who are out of shape to participate.

The conclusion reached by the personnel officer depends on which of the following assumptions?

1. A person who is fit would receive a routine physical checkup（例行健康检查） by a doctor less regularly than would a person who is out of shape.
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2. The medical expenses incurred by employees who are required to participate in the fitness program would be less than those incurred（发生） by employees who are not required to participate.
                       
3. The strenuous activities required of out-of-shape employees by the program would not by themselves generate medical expenses greater than any reduction achieved by the program.
           
4. The fitness program would serve more employees who are out of shape than it would employees who are fit.
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 E。The employees who participate in the fitness program would be away from work because of   illness less than would the employees who do not participate.

各位nn 我想请教下B选项为何不对捏？？？？