A corps of so-called barefoot doctors are
问题:
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
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