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1、广西师范大学2010年非英语专业研究生学位英语考试试卷PartIReadingComprehension(40points)Directions:Thereare4passagesinthispart.Attheendofeachpassage,fivequestionswillbeaskedaboutit.Forthefirstthreepassages,youshouldreadthefourchoicesmarkedA,B,CandD,anddecideonthebestchoice.ThenmarkthecorrespondingletterontheAnswerSheet
2、.Forthelastpassage,youshouldwriteyouranswerstothequestionsontheAnswerSheet.PassageOneTheproblemsoftheelderlyareattractinggreaterattentionlargelybecausetheAmericanpopulationisgrowingsteadilyolderastheproportionofitsagedmembersincrease.AtthetimeofthefirstUnitedStatescensusin1790,halfofthepeoplei
3、nthecountrywere16oryounger.Bytheturnofthepresentcenturythemedianageofthepopulationhadrisento22.9years;by1970,itwas27.7;andby1977ithadreached28.9;themedianagewillreach35bytheyear2000,andwillapproach40bytheyear2030.Intimetheburdenoftheyearsaffectseventhehealthiestindividual.Agingisaccompaniedbyp
4、hysiologicalchangesthatarenotnecessarilytheresultofanydisease:apartfromthemoreobvioussignsofage----suchasbaldness,wrinkling,changesinbodyform,andstiffnessoflimbs----thereisageneralprocessofatrophyofthecellsandgradualdegeneration.However,therateofphysiologicalagingvariesgreatlyfromonepersontoan
5、other.Somepeopleshownoticeablesignsofagingasearlyasfifty.Othersseemrelativelyyoungandvitalatseventy,andmayevencontinuetoenjoyavigoroussexlife.Ingeneral,however,illhealthbecomesmorecommonwithadvancingage.Morethanthreequartersofthoseoversixty-fivesufferfromsomechronichealthcondition.Butillhealth
6、neednothaveonlyphysiologicalcauses;itcanhavesocialandpsychologicalcausesaswell.Peopletendtofollowsocialexpectationstofilltherolesthatareofferedtothem.Inasense,allweoffertheagedisasickrole----theroleoftheinfirmpersonwhohasoutlivedhisorherusefulnesstosociety.Anurbanized,industrializedsocietysuch
7、astheUnitedStatesisorientedtowardyouth,mobility,andactivity.Itdoeslittletointegratetheoldintothesocialstructure.Unliketheeldersinatraditionalsociety,theAmericanagedcannolongerlayautomaticclaimontheirkinforsupportandsocialparticipation;o
