| 1. | The increase in population density and new developments in industrial technology are constantly intensifying old problems .
人口密度的增加以及工业技术的新发展，往往使老问题加剧。 |
| 2. | As a rough approximation of the rate of income growth per capita, one can subtract the rate of increase in population from the rate of growth in total income .
人们可从总收入增长率中减去人口增长率，得出人均收入增长率的一个粗略近似值。 |
| 3. | The increase in population necessitates a greater food supply
人口的增加需要更多食物供应。 |
| 4. | The town is fast increasing in population
这座城市人口增长很快。 |
| 5. | The increase in population necessitates a greater food supply
人口的增加需要更多的食物供应。 |
| 6. | Why is this enormous increase in population taking place
（为什么人口会有如此巨大的增长呢？ ） |
| 7. | There was a steady increase in population
人口在不断增长中。 |
| 8. | The increase in population is so rapid that there is a food shortage
人口增长得这么快，以致造成粮食短缺。 |
| 9. | As a matter of policy , increases in population arising from immigration must be controlled
政策上早已订明，必须管制由移民所导致的人口增长 |
| 10. | The human race has experienced a consistent increase in population since the beginning of its history
人类自出现之日起便开始不断地增长人口。 |
