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xx大学英语四级考试阅读备考练习题xx大学英语四级考试阅读备考练习题Theworldhasbeeaworldofcities.Withthepresentrateofurbangrowth
3.8%intheThirdWorldthemajorityofthepopulationoftheworldwillbelivingincitiesbytheyear
2000.Thiswilltransformtherural-urbanequationwhichhasmarkedthehistoryofmankinduptonowandwillcallfornewexampleandagreatdealofinnovationtofacethisphenomenon.ThisbeingsoonemustaeptthefactthatforsomeyearstoenopolicywillbecapableofstoppingorreversingthepresentmigratorytrendfromtheruralareastothecitiesintheThirdWorld.InAfricatheurbanpopulationwillreach330millionpeoplebytheendofthecenturyasagainst150millionin
1995.Thenumberofpeoplelivinginshanty-towns贫富窟willinevitablyincreaseinspiteoftheeffortstoimprovehousingconditions.Africaaloneneedstobuild12millionhousingunitsbetweennowandtheyear2000tomeetitsmostbasicneeds.InanILOstudyM.S.V.Sethuramane...。