2021考研英語大作文寫作必備話題（十五）

　　

　　人口增長、 人口質量、養(yǎng)老與老齡化

　　1、population aging; outdated and abandoned; to improve the living condition of the aging population; to respect and appreciate the aged; to provide safety and happiness

　　2、the number of males outweighs that of females;the population growth is almost out of control, the humans to live is increasingly circumscribed.