• 2022-05-31
    Theory is always necessary for research.
  • 正确

    内容

    • 0

      Empirical research is also called primary research.

    • 1

      Library-or-Internet-based research is also called primary research.

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      It is not necessary to do a literature review before conducting a research.

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      A research proposal demonstrates the significance of our proposed research.

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      Political environment research belongs to uncontrollable factor research.