SectionDDirections:Readthepassagecarefully.Thenanswerthequestionsandcompletethestatementsinthefewestpossiblewords.“Teachaparrottosay‘demandandsupply’andyou’llhaveaneconomist”.Whilethis

　　SectionD

　　Directions:Readthepassagecarefully.Thenanswerthequestionsandcompletethestatementsinthefewestpossiblewords.

　　“Teachaparrottosay‘demandandsupply’andyou’llhaveaneconomist”.Whilethisisanobviousexaggerationitdoescontainalittleoftruth.Itistheinteractionoftheeconomicforcesofsupplyanddemandthatdeterminesthepricepaidforagivenproductorservice.Inturnthepricedetermineshowthatproductorservicewillbedistributedandusedinafreeenterpriseeconomy.

　　Demandismorethanjustthedesireforsomeproductorservice.Italsoinvolvestheabilitytobuy.Truedemandexistswhenpeoplenotonlydesiregoodsorservicesbutalsohavethebuyingpowertopurchasethemandarewillingtopartwithsomeofthatbuyinginordertopurchasethem.

　　Commonsensetellsusthatifthepriceofaproductsuchasasportscarwere$5000morepeoplewouldbewillingtobuyitthanifthepricewere$25000.Thisisthelawofdemand:aspricegoesupthequantitydemandedgoesdown.Thereverseisalsotrue:ifpricegoesdownthequantitydemandedgoesup.

　　Supplyresultsfromthedesireandeffortofproducerstosatisfyconsumerdemands.Justasconsumers’desiresandwillingnesstospendaffectdemandsoproducers’andsuppliers’willingnessandabilitytoprovidegoodsandservicesaffectsupply.Thelawofsupplysays:aspricegoesupthequantitysuppliedgoesupandaspricegoesdownthequantitysuppliedgoesdown.Obviouslyasthepriceofaproductgoesdownproducersbecomelesswillingtosupplytheproductandthequantitysupplieddecreases.

　　85.______isanimportantfactorthatdeterminesthedistributionanduseofaproductinafree

　　enterpriseeconomy.

　　86.Accordingtothepassageifpricesgouppeoplewould____________.

　　87.Whatarethetwofactorsthataffectsupply?

　　88.Whatistheauthor’simplicationofthebeginningsentence?

　　第II卷

　　I.Translation: