2021考研英语大作文写作必备话题（十五）

　　

　　人口增长、 人口质量、养老与老龄化

　　1、population aging; outdated and abandoned; to improve the living condition of the aging population; to respect and appreciate the aged; to provide safety and happiness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