单选题:在劳动经济学的研究力法中,(  )是认识客观现象,向人们提供实在、有用、确定、精确的知识的方法。

  • 题目分类:理论知识
  • 题目类型:单选题
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题目内容:
在劳动经济学的研究力法中,(  )是认识客观现象,向人们提供实在、有用、确定、精确的知识的方法。 A.观察研究方法
B.实证研究方法
C.对比研究方法
D.规范研究方法

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答案解析:

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Difficulties and hardships have __________ the best qualities of the young geol

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_____________, he does get irritated with her sometimes.

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