• 2022-06-05
    The reason why it is called Chinese medicinal herbs is that most of them are from .
    A: animals
    B: plants
    C: minerals
    D: microorganisms
  • B

    内容

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      What resource plants do you know from this course? A: Grain plants B: Energy plants C: Medicinal and drug plants D: Environmental protection and industrial plants

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      Generally speaking, effective ingredients extracted from natural minerals, animals or plants, as well as drugs obtained by chemical synthesis or biosynthesis are collectively known as chemical drugs. A: 正确 B: 错误

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      中国大学MOOC: Generally speaking, effective ingredients extracted from natural minerals, animals or plants, as well as drugs obtained by chemical synthesis or biosynthesis are collectively known as chemical drugs.

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      中国大学MOOC: Effective ingredients extracted from natural minerals, animals or plants, as well as drugs obtained by chemical synthesis or biosynthesis, are collectively known as chemical drugs.(Which translation is right?)

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      Animals and plants can live on the earth because ________. A: it is the right distance from the sun B: it has plenty of water C: the sun gives them warmth and light D: all of the above