The population is categorized a______ to age, sex, and social group.
举一反三
- The language of a participant in a social activity reflects his social characteristics (such as his status, ethnic group, age and sex).
- The 55-to-64 age group accounts for 9% of the population today.
- The group type that is determined by the organization chart is the ________ group. ( ) A: job B: authority C: work D: command E: social
- Some important characteristics of population include ___________. A: genetics B: natality and mortality C: sex ratio and age distribution D: density and spatial distribution.
- The characters of Beijing Opera are classified according to _____, age, disposition, profession and social status. A: sex B: singing C: facial mask D: acting