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正确答案：
Housingproblemhasbecomeoneofthebiggestconcernsforpeopleinbigcities.Withtherapiddevelopmentofindustryandgreatincreaseinemployment,morepeopleareswarmingintocities.Accommodationshavebecomeeverdifficult,causinginconveniencetopeople'sworkandlife.Manyproposalshavebeenputforwardtosolvethisproblem.Somesuggestthatmorehighbuildingsbeconstructed.Someinsistthattheundergroundbedeveloped.Othersproposethatsatellitecitiesbebuilt.Stillothersarguethatcitiesshouldbeexpandedtomovepeopletothesuburbs.Personally,Iaminfavorofbuildingsatellitecitiesinthesuburbs.Foronething,thesecitiesarenotfarawayfrombigcities.Itisstillveryconvenientforpeopletogodowntownastheywish.Foranother,thefreshairandadequatespacetherewillbeagreatattractionforpeoplewhoarelivingincrowdedcities.Ifmanypeoplemovetothesatellitecities,thehousingprobleminbigcitieswillceasetoexist.Iamagainsttheideaofdevelopingtheunderground.Becausecomparedwithbuildingsatellitecities,itismorecostly.Witheachhousetolightevenatdaytime,weneedalotofelectricity.Besides,itwittdeprivepeopleofthefreshairandbrightsunshinewhichtheycangetsoeasilywhentheyareabovetheground.