项目管理师PMP美国项目管理PMPPMP认证考试练习题（21,22）

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• 31the following types of costs are relevant to making a financial decision except:

  A.opportunity costs

  B.direct costs

  C.sunk cost

  D.unavoidable costs

  E.none of the above

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• 32the standard types of communication include all but

  A.written

  B.verbal

  C.telepathic

  D.nonverbal

  E.none of the above

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• 33（    ） of the extra costs of the project can often be attributed to a lack of quality.

  A.0.12

  B.0.15

  C.0.2

  D.0.25

  E.less than 10%

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• 34a budget estimate should give the manager cost data accurate to within:

  A.-5 to +10 percent of actual cost

  B.-25 to +75 percent of actual cost

  C.-30 to +75 percent of actual cost

  D.-10 to +25 percent of actual cost

  E.none of the above

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