国际上通常认为,一国65岁以上人口占总人口( )以上者为老年型人口。 国际上通常认为,一国65岁以上人口占总人口( )以上者为老年型人口。A.4% B.6% C.7% D.9% 分类:中医助理医师 题型:单选题 查看答案
Relaxing at dinnertime according to the passage is something Relaxing at dinnertime according to the passage is something that __________. 分类:中医助理医师 题型:单选题 查看答案