withthepopulationincrease是错误的,with要改为as才对,其他两个都对

　　Asthepopulationincreases

　　例句

　　Asthepopulationincreases,peoplewillbecomemoreacuteincontradiction.

　　随着人口的增加,人地矛盾将更加尖锐.

　　withtheincreasingpopulation

　　例句

　　WiththeincreasingpopulationoftheoldinChina,thedemandoftheproductpackagesoftheoldisgreaterandgreater.

　　摘要随着中国人口的老龄化,老年用品的需求量越来越大,从而形成了很大的市场.

　　withthepopulationincreasing

　　例句

　　Withthepopulationincreasingandregionaldevelopmentspeedingup,soilerosioninNanandistractofChongqingcityisdeteriorating.

　　随着人口的增长和区域开发进程的加快,重庆市南岸区水土流失问题日益严重.

　　此外,还可以用

　　Withtherapidincreaseof/inpopulation

　　1.Withtheincreaseofpopulationandthedevelopmentofindustry,litteriseverywhere.

　　随着人口的增长和工业的发展,到处都是垃圾.

　　www.redlib.cn

　　2.Withtherapidincreaseinpopulation,lackofwaterresourcesbecomes/isbecomingabigproblem.

　　随着人口飞速的增长,水资源的缺乏成了一个大问题.