【单选题】A corps of so-called barefoot doctors are trained in hygiene, preventive medicine, acupuncture, and routine treatment of common diseases.
A.nutrition
B.sanitation
C.nursery
D.welfare
【单选题】A corps of so-called barefoot doctors are trained in hygiene, preventive medicine, acupuncture, and routine treatment of common diseases.
A.nutrition
B.sanitation
C.nursery
D.welfare
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