Lonelinesshasbeenlinkedtodepression（抑郁）andotherhealthproblems．Now，astudysaysitcanalsospread．Afriendofalonelypersonwasfifty-twopercentmorelikelytodevelopfeelingsofloneliness．Andafriendofthatfriendwas

　　Lonelinesshasbeenlinkedtodepression（抑郁）andotherhealthproblems．Now，astudysaysitcanalsospread．Afriendofalonelypersonwasfifty-twopercentmorelikelytodevelopfeelingsofloneliness．Andafriendofthatfriendwastwenty-fivepercentmorelikelytodothesame．

　　Earlierfindingsshowedthathappiness，obesity（肥胖）andtheabilitytostopsmokingcanalsospreadlikeinfectionswithinsocialgroups．ThefindingsallcomefromamajorhealthstudyintheAmericantownofFramingham，Massachusetts．

　　Thestudybeganin1948toinvestigatethecausesofheartdisease．Sincethen，moretestshavebeenadded，includingmeasuresoflonelinessanddepression．

　　ThenewfindingsinvolvedmorethanfivethousandpeopleinthesecondgenerationoftheFraminghamHeartStudy．Theresearchersexaminedfriendshiphistoriesandreportsofloneliness．Theresultsestablishedapatternthatspreadaspeoplereportedfewerclosefriends．

　　Forexample，lonelinesscanaffectrelationshipsbetweennext-doorneighbors．Thelonelinessspreadsasneighborswhowereclosefriendsnowspendlesstimetogether．Thestudyalsofoundthatlonelinessspreadsmoreeasilyamongwomenthanmen．

　　Theaveragepersonissaidtoexperiencefeelingsoflonelinessaboutforty-eightdaysayear．Thestudyfoundthathavingalonelyfriendcanaddaboutseventeendays．Buteveryadditionalfriendcandecreaselonelinessbytwoandahalfdays．

　　Lonelypeoplebecomelessandlesstrustingofothers．Thismakesitmoreandmoredifficultforthemtomakefriends-andmorelikelythatsocietywillreject（排斥）them．

　　JohnCacioppoattheUniversityofChicagoledthestudy．Hesaysitisimportanttorecognizeanddealwithloneliness．Hesayspeoplewhohavebeenpushedtotheedgesofsocietyshouldreceivehelptorepairtheirsocialnetworks．

　　57．Asanaverageperson，ifyouhave2morecommonfriends，howmanydaysayearmightyousufferfromloneliness？___

　　A.48days．B.17days．C.65days．D.43days．

　　58．Whatcanweinferfromthepassageaboutlonelypeople？___

　　A．Theycanovercomelonelinessthemselves．

　　B．Theywilldecreaselonelinessdaybyday．

　　C．Theyareingreatneedofhelpfrompeoplearound．

　　D