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1、ReadingText1Fewsocialproblemshaveincreasedsosuddenlyorbeendramatizedsoeffectivelyastheplightofthehomelessinthe1980sand1990s.Onceaninvisiblepeoplewhocouldeasilybeignored,thehomelessarenowrecognizedeverywhereonthestreetsandinthepublicfacilitiesofmajorcities.Therearebagladieswhoroamth
2、estreetscarryingwhatisleftoftheirpossessionsinshoppingbagsorgrocerycarts.Therearedisorientedmencurleduponbenches,instairwells,oralongsidewalls.Therearechildren–somerunawaysandsomethrowawaysscrounge(偷，骗取)forfoodandshelter.Thenumberofhomelesspeopleinunderdevelopedsocietiesinthemid-19
3、80swasestimatedbytheUnitedNations(UN)tobemorethan100million.Theso-called“new”homelessliveinthedeveloped,industrializednationsofEurope,NorthAmerica,andEastAsia.Accuratestatisticshavebeenimpossibletoverify,inpartbecauseoftheconflictingviewpointsonthesubjectofhomelessness.Politicians,
4、lawyers,andotherswhobecomeadvocatesforthehomelesshavesaidthattherearefrom2to3millionhomelessintheUSalone.Otherswhohavestudiedtheproblemfromalesssympatheticpointofviewsuggestthatthenumberiscloserto300,000.Onereasonforstatisticaluncertaintyisthecompositionofthehomelesspopulation.Some
5、familiessuffertemporarypovertybecauseoflossofajob.Unabletoaffordrentormortgagepayment,theymaytemporarilyjointheranksofthehomelessofthehomelessforaperiodofdaysorweeks(ortheymaylivewithrelatives).Onceanotherjobisfound,thefamilycanusuallyaffordshelteroncemore.Thenumberofthosewhoaretru
6、lyhomelessconsistofpossibly3percentorlessoftheverypoor.Theirmostcommoncharacteristicispoverty,thoughsomeworkatleastpart-time,whileothersreceivevariouskindsofwelfarepayments.Themakeupofthehomelesspopulation,accordingtoastudybytheUSConferenceofMagors,indicatedthefollowingbreakdown:56
7、percentsinglemen,15percentsinglewomen,and28percentinfamilies-usuallyone-parentfamilies.Asagroup,thehomelesstendtobeyoung,mostlyundertheageof40.1Accordingtothispassage,whichofthefollowingisTRUE?AThehomelesscouldnotbeseenuntil1980sand1990s.BThenumberof“new”homelessis2to3million.CSome
8、peoplebecomeshomelessontem
