BigBrothersBigSistersisbasedonthesimplicityandpower（力量）offriendship．Itisaprogramwhichprovidesfriendshipandfunbymatchingvulnerableyoungpeople（ages7-17）withavolunteeradultwhocanbebotharolemodelandas
BigBrothersBigSistersisbasedonthesimplicityandpower（力量） offriendship．Itisaprogramwhichprovidesfriendshipandfunbymatching vulnerableyoungpeople （ages7-17）withavolunteeradultwhocanbebotharolemodelandasupportivefriend．
Volunteertutorscomefromallwalksoflife-married，single，withorwithoutchildren．BigBrothersandBigSistersarenotreplacementparentsorsocialworkers．Theyaretutors：someonetotrust，tohavefunwith，totalkandgotowhenneeded．
ABigSisterandLittleSisterwillgenerallyspendbetweenoneandfourhourstogetherthreeorfourtimeseachmonthforatleasttwelvemonths．Theyenjoysimpleactivitiessuchasapicnicatapark，cooking，doingsportsorgoingtoafootballmatch．Theseactivitiesimprovethefriendshipandhelptheyoungpersondevelopself-respect，confidenceandlifedirection．
BigBrothersBigSistersorganizationscanbefoundthroughouttheworld．Itisthelargestandmostwell-knownprovideroftutorservicesinternationallyandhasbeenoperatingfor25years．
EmilyandSarahhavebeenmatchedsince2008．Emilyisa15-year-oldgirlwhohasexperiencedsomedifficultiesbeingacceptedbyherschoolmatesatschool．"Iwasprettysuretherewassomethingwrongwithme．"
Emily'smumcameacrossBigBrothersBigSistersandthoughtitwouldbeofbenefittoEmilyby"providingdifferentfeedbackaboutherselfotherthanjustdependingonschoolmatestomeasure（测量） herself-worth．
Sarahwantedtogetinvolved（使参与） inavolunteerprogram．"Igoogleditandfoundouthowtobeapartofit．Ithoughtitwouldbefunformetogetinvolvedinmakingtimetodosomethingbecausesometimesitisallworkandnoplay．"
BigBrothersBigSistershasbeenofgreatbenefitandenjoymenttobothEmilyandSarah．TheyloveandlookforwardtotheirtimetogetherandthepartnershiphascertainlyhelpedEmilybemorecomfortableinbeingthewonderfulandhappygirlsheis!
56．Accordingtothepassage，"vulnerableyoungpeople"areprobablythosewhoare___．
A．popularatschool
B．ratherweakphysically
C．easilyhurtemotionally
D．confidentinthemselves
57．Avolunteerisusua