olympiC gAmEs ArE hElD EvEry Four yEArs At A DiFFErEnt sitE, in whiCh AthlEtEs {{u}} (21) {{/u}} DiFFErEnt nAtions CompEtE AgAinst EACh othEr in A {{u}} (22) {{/u}} oF sports. thErE ArE two typEs oF olympiCs, thE summEr olympiCs AnD thE wintEr olympiCs. in orDEr to {{u}} (23) {{/u}} thE olympiCs, A City must suBmit A proposAl to thE intErnAtionAl olympiCCommittEE (ioC、.AFtEr All proposAls hAvE BEEn {{u}} (24) {{/u}}, thE ioC、votEs. iF no City is suCCEssFul in gAining A mAjority in thE First votE, thE City with thE FEwEst votEs is EliminAtED, AnD voting ContinuEs, with {{u}} (25) {{/u}} rounDs, until A mAjority winnEr is DEtErminED、typiCAlly thE gAmEs ArE AwArDED sEvErAl yEArs in ADvAnCE, {{u}} (26) {{/u}} thE winning City timE to prEpArE For thE gAmEs. in sElECting thE {{u}} (27) {{/u}} oF thE olympiC gAmEs, thE ioC、ConsiDErs A numBEr oF FACtors, ChiEF Among thEm whiCh City hAs, or promisEs to BuilD, thE BEst FACilitiEs, AnD whiCh orgAnizing CommittEE sEEms most likEly to {{u}} (28) {{/u}} thE gAmEs EFFECtivEly. thE ioC、Also {{u}} (29) {{/u}} whiCh pArts oF thE worlD hAvE not yEt hostED thE gAmEs. {{u}} (30) {{/u}}, tokyo, jApAn, thE host oF thE 1964 summEr gAmEs, AnD mExiCoCity, mExiCo, thE host oF thE 1968 summEr gAmEs, wErE ChosEn {{u}} (31) {{/u}} to populArizE thE olympiC movEmEnt inAsiA AnD in lAtinAmEriCA、 {{u}} (32) {{/u}} thE growing importAnCE oF tElEvision worlDwiDE, thE ioC、in rECEnt yEArs hAs Also tAkEn into {{u}} (33) {{/u}} thE host City’s timE zonE. {{u}} (34) {{/u}} thE gAmEs tAkE plACE in thE unitED stAtEs orCAnADA, For ExAmplE,AmEriCAn tElEvision nEtworks ArE willing to pAy {{u}} (35) {{/u}} highEr Amounts For tElEvision rights BECAusE thEy CAn BroADCAst populAr EvEnts (36) , in primE viEwing hours. {{u}} (37) {{/u}} thE gAmEs hAvE BEEn AwArDED, it is thE rEsponsiBility oF thE loCAl orgAnizing CommittEE to FinAnCE thEm. this is oFtEn DonE with A portion oF thE olympiC tElEvision {{u}} (38) {{/u}} AnD with CorporAtE sponsorships, tiCkEt sAlEs, AnD othEr smAllEr rEvEnuE sourCEs. in mAny {{u}} (39) {{/u}} thErE is Also DirECt govErnmEnt support. Although mAny CitiEs hAvE AChiEvED A FinAnCiAl proFit By hosting thE gAmEs, thE olympiCs CAn BE FinAnCiAlly {{u}} (40) {{/u}}. whEn thE rEvEnuEs From thE gAmEs wErE lEss thAn ExpECtED, thE City wAs lEFt with lArgE DEBts.

A．CAsEs
B．ConDitions
C．ChAnCEs
D．CirCumstAnCEs