A corps of so-called barefoot doctors are trained in hygiene, preventive medicine, acupuncture, and routine treatment of common

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问题 A corps of so-called barefoot doctors are trained in hygiene, preventive medicine, acupuncture, and routine treatment of common diseases.

选项 A、nutrition
B、sanitation
C、nursery
D、welfare

答案B

解析 hygiene卫生学。A.nutrition营养学;B.sanitation卫生学;C.nursery拖儿所;D. welfare社会福利。
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