A.头发B.胡须C.指甲短D.腋毛
A.1B.3-5天C.5-7D.1-3
A.合格例数/总检查例数X100%B.总检查例数/合格例数X100%C.不合格例数/总检查例数X100%D.总检查例数/不合格例数X100%