高一英语完形填空一篇答案已给,每题求原因.请解释清楚,本人初三学生.Thecentralproblemofeconomicsistosatisfythepeople'sandnation'swants.Theproblemwearefacedwithisthatourresources,hereidentifiedasmone
高一英语完形填空一篇答案已给,每题求原因.请解释清楚,本人初三学生.
Thecentralproblemofeconomicsistosatisfythepeople'sandnation'swants.
Theproblemwearefacedwithisthatourresources,hereidentifiedasmoney,are__1__.Theonlywaywecanresolveourproblemistomakechoices.Afterlookingatourresources,wemustexamineourlistof__2__andidentifythethingsweneedimmediately,thosewecanpostpone,and__3__wecannotafford.Asindividuals,wefacethecentralprobleminvolvedineconomics-decidingjusthowtoallocateourlimitedourlimitedresourcestoprovide__4__withthegreatestsatisfactionofourwants.
Nationsfacethesameproblem.Asacountry'spopulation___5__,theneedformoregoodsandservicesgrowscorrespondingly.Resourcesnecessarytoproductionmayincrease,butthere__6__areenoughresourcestosatisfythetotaldesiresofanation.Whetherthebudgetmeetingistakingplaceinthefamilylivingroom,intheconferenceroomofthecorporation__7__ofdirectors,orinthechamberoftheHouseofRepresentativesinWashington,thebasicproblemstillexists.Weneedtofind__8__ofallocatinglimitedresourcesinordertosatisfyunlimitedwants.
Ashorttimeagoeconomistsdividedgoodsintotwocategories,freeandeconomic.Theformer,likeairandwater,werein__9__abundancethateconomistshadnoconcernforthem.Afterall,economicsisthe__10__ofscarcityandwhattodoaboutit.Todaymanyofthese"freegoods"are__11__veryexpensivetouse.Pollutionhasmadecleanairandwaterexpensiveforproducers'extracosts,and__12__taxpayerswhopayforthegovernment'sinvolvementincleaningtheenvironment.
Inthe1990s,almostallgoodsare__13__.Onlybyeffortandmoney__14__obtainedintheformpeoplewish.
Meetingneedsofpeopleandthedemandsfromresourceavailable__15__thebasicactivityofproduction.Intryingtomeetunlimitedwantsfromlimitedeconomicgoods,productionleadstonewproblemsineconomics.
EXERCISE:
1.A)limitedB)unlimitedC)scarcityD)abundant
2.A)wantB)problemC)wantsD)resources
3.A)thoseB)someC)othersD)many
4.A)themB)themselvesC)ourselvesD)ours
5.A)expandB)extendsC)growsD)increase
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