1. 进行全国人口普查  carry out national population census
2. 总人口为…  have a population of …
3. 缩小代沟  narrow the generation gap
4. 重视人口老年化问题  pay attention to the problem of an aging population
5. 调查性和婚姻状况  conduct a survey on sex and marriage
6. 展示明显的差异  display a marked difference
7. 反映人们的私生活  reflect people’s private lives
8. 占总人口的10%  account for 10% of the total population
9. 实现向低出生、低死亡、低自然增长的现代人口再生产类型的转变  bring about a transition to the modern population  reproduction pattern characterized by a low birth rate，low death rate and low natural growth rate
10. 过孤独的生活  lead an isolated life
11. 城市人口比例上升  the population of urban residents rose by …
12. 征求父母的意见  ask for her parents’ opinion
13. 造成不同的思想和观念  result in a different ideology and concept
14. 对子女寄予厚望  pin great hopes on their children
15. 享受优越的生活条件  enjoy good living condition
16. 挣零花钱  earn their pocket money
17. 逐渐削弱长辈的权威  undermine the authority of the older generation
18. 不服从父母  disobey their parents
19. 人口死亡率下降… . the death rate of the population decrease from … to …
20. 居民的平均预期寿命提高  the people’s life-expectancy on average is raised