population-的用法

population的用法1.population常以单数形式出现，意为“人口”“人数”。如果指世界不同地区的人口时，用复数。（1）Thepopulationofthiscityisgrowingeveryyear.(2)Manypartsoftheworld,whichoncehadlargepopulationsandproducedplentyofcrops,havebecomedeserts.2.做主语时，谓语动词的数的选用，population直接做主语，谓语动词一般用单数，前面有some,most或者百分数时，谓语动词常用复数，前面有分数时，谓语动词单复数即可。(1).Thepopulationisincreasingfasterandfaster.(2).Atthebeginningofthetwentiethcentury,theworld\'spopulationwasabout1,700million.(3).AboutseventypercentofthepopulationinChinaarefarmers.(4).Mostofthepopulationofthecityareworkers.(5).Onethirdofthepopulationnowsmoke/smokes.3.population前的冠词的选用，populationof跟地名或者事物时，用定冠词the,populationof跟数词时，用不定冠词a,population表示抽象意义时，用零冠词。（1）.Chinahasapopulationofabout1.3billion.(2).NewYorkisabigcitywithapopulationofover10million.(3).ThepopulationofCanadaisabout29million.(4).Thepeople’slivingstandardhasrisen,causingariseinpopulation.4.询问某国、某地有多少人口时,不用\Howmuch...?\,而用\Howlarge...?\;在问具体人口时用\What...?\。表示人口的\多\或\少\,不用\much\或\little\,而要用\large\或\small\(1).Howlargeisthepopulationofyourhometown?你们家乡有多少人口?(2).Thepopulationofourhometownisnearlytwiceaslargeasthatofyours.我们家乡的人口是你们家乡人口的将近两倍。(3).WhatisthepopulationofCanada?加拿大的人口有多少?5.在表示多个地区的人口时,population要用复数形式populations。例如:Manypartsoftheworld,whichoncehadlargepopulationsandproducedplentyofcrops,havebecomedeserts.世界上很多地区一度人口众多,种植大量的农作物;现在,这些地区已经变成了沙漠。