inFlAtion is A pErioD oF rApiD risEs in priCEs. whEn your monEy Buys FEwEr gooDs so thAt you gEt {{u}} (56) {{/u}} For thE sAmE Amount oF monEy As BEForE, inFlAtion is thE proBlEm. somEtimEs pEoplE DEsCriBE inFlAtion As A timE whEn "A DollAr is not {{u}} (57) {{/u}} A DollAr AnymorE". inFlAtion is A proBlEm For All ConsumErs, EspECiAlly pEoplE who livE on A FixED inComE. rEtirED pEoplE, For instAnCE, CAnnot {{u}} (58) {{/u}} on An inCrEAsE in inComE As priCEs risE. thEy FACE sErious proBlEms in strEtChing thEir inComEs to {{u}} (59) {{/u}} thEir nEEDs in timE oF inFlAtion. mAny rEtirED pEoplE must Cut thEir spEnDing to {{u}} (60) {{/u}} rising priCEs. in mAny CAsEs thEy must stop {{u}} (61) {{/u}} somE nECEssAry itEms, suCh As FooD AnD Clothing.EvEn {{u}} (62) {{/u}} working pEoplE whosE inComEs ArE going up, inFlAtion CAn Also BE A proBlEm. thE {{u}} (63) {{/u}} oF living goEs up, AnD thEy must hAvE EvEn morE monEy to mAintAin thEir stAnDArD oF living. whEn inComEs Do not kEEp {{u}} (64) {{/u}} with rising priCEs, living stAnDArD goEs Down. pEoplE mAy BE EArning thE sAmE Amount oF monEy, But thEy ArE not living {{u}} (65) {{/u}} BECAusE thEy ArE not ABlE to Buy As mAny gooDs AnD sErviCEs. govErnmEnt units gAthEr inFormAtion ABout priCEs in our EConomy AnD puBlish it As priCE inDExEs {{u}} (66) {{/u}} thE rAtE oF priCE ChAngE CAn BE DEtErminED、A、priCE inDEx mEAsurEs ChAngEs in priCEs using thE priCE For A {{u}} (67) {{/u}} yEAr As thE BAsE. thE BAsE priCE is sEt {{u}} (68) {{/u}} 100, AnD thE othEr priCEs ArE rEportED As A {{u}} (69) {{/u}} oF thE BAsE priCE.A、priCE inDEx mAkEs {{u}} (70) {{/u}} possiBlE to CompArE CurrEnt priCE with thAt in prEvious yEArs.

A．mEEt
B．oBtAin
C．CArE
D．ACquirE