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
正确答案：正确
Generally speaking, effective ingredients extracted from natural minerals, animals or plants, as well as drugs obtained by chemi
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An analgesic or a painkiller is any member of the group of drugs used to relieve pain.
Fermentation has already become the method of choice for a wide range of substances.
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