职称英语卫生A类阅读题专题训练职称英语卫生A类阅读题专题训练Actionisgoodmedicinetocurefear,hesitation,delaywillcontinuetonourishthefear.以下是小编为大家搜索整理的职称英语卫生A类阅读题专题训练，希望对正在关注的您有所帮助!更多精彩内容请及时关注我们应届毕业生考试网!第三篇LivingStandardsThedifferencesinlivingstandardsaroundtheworldarevast.In1993,theaverageAmericanhadanincomeofabout$25,000.Inthesameyear,theaverageMexicanearned$7,000,andtheaverageNigerianearned$1,500.Notsurprisingly,thislargevariationinaverageincomeisreflectedinvariousmeasuresofthequalityoflife.Changesinlivingstandardsovertimearealsolarge.IntheUnitedStates,incomeshavehistoricallygrownabout2percentperyear(afteradjustingforchangesinthecostofliving).Atthisrate,averageincomedoublesevery35years.Insomecountries,economicgrowthhasbeenevenmorerapid.InJapan,forinstance,averageincomehasdoubledinthepast20years,andinSouthKoreaithasdoubledinthepast10years.Whatexplainstheselargedifferencesinlivingstandardsamongcountriesandovertime?Theanswerissurprisinglysimple.Almostallvariationinlivingstandardsisattributabletodifferencesincountries'productivity--thatis,theamountofgoodsandservicesproducedfromeachhourofaworker'stime.Innationswhereworkerscanproducealargequantityofgoodsandservicesperunitoftime,mostpeopleenjoyahighstandardofliving;innationswhereworkersarelessproductive,mostpeoplemustendureamoremeagerexistence.Similarly,thegrowthrateofanation'sproductivitydeterminesthegrowthrateofitsaverageincome.Thefundamentalrelationshipbetweenproductivityandlivingstandardsissimple,butitsimplicationsarefar-reaching.Ifproductivityistheprimarydeterminantoflivingstandards,otherexplanationsmustbeofsecondaryimportance.Forexample,peoplemightthinkthatlaborunionsorminimum-wagelawscontributedtotheriseinlivingstandardsofAmericanworkersoverthepastcentury.YettherealheroofAmericanworkersistheirrisingproductivity.Therelationshipbetweenproductivityand.livingstandardsalsohasgreatimplicationsforpublicpolicy.Whenthinkingabouthowanypolicywillaffectlivingstandards,thekeyquestionishowitwillaffectourabilitytoproducegoodsandservices.T