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An analgesic or a painkiller is any member of the group of drugs used to relieve pain.
An analgesic or a painkiller is any member of the group of drugs used to relieve pain.
A.正确
B.错误
正确答案：正确
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医药英语
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Synthetics and semi-synthetics products are more important than natural products.
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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.