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求助:gwd30-27

Q27:

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.

 

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 by a doctor less regularly than would a person who is out of shape.
  2. The medical expenses incurred by employees who are required to participate in the fitness program would be less than those incurred 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.
  5. 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.

   Answer:

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answer is c, i vote b. why c ?

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C is right b/c it says that the net medical expenses would be less than now.

B would be right if we change it to:

The medical expenses incurred by employees who are required to participate in the fitness program are
   more than those incurred by employees who are not required to participate.

or:

The medical expenses incurred by employees who are required to participate in the fitness program would be less than those incurred by them now.

B would be right if we change it to:

The medical expenses incurred by employees who are required to participate in the fitness program are
   more than those incurred by employees who are not required to participate.

or:

The medical expenses incurred by employees who are required to participate in the fitness program would be less than those incurred by them now.

B would be right if we change it to:

The medical expenses incurred by employees who are required to participate in the fitness program are
   more than those incurred by employees who are not required to participate.

or:

The medical expenses incurred by employees who are required to participate in the fitness program would be less than those incurred by them now.

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简单的数学题,GWD已经出现很多次。一个新项目的开展,必须考虑替换旧的成本等等,答案都是不少余、不多余之类的。

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题干的推理过程是这样的:

(A)medical expenses high -> exorbitant cost

(B)out-of-shape -> medical expense high

(C)fitness program -> reduce medical expense

如果要C成立,即减少成立,那么总是必须不变或者减少。而选项C正好满足了这个要求。

如“罗马青年”所说,我觉得在GMAT中,有这样的一类“数学题”,其特征就是求某一个减少时的成立条件,那么答案的特征就是说这个东东所不会带来“增加”。

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