成功案例

公共英語培訓班哪個好

2020-05-20 159 作者:立博官网网址app

Forallitflaws,medicalcareintheUnitedStateshasbeenreformedgiganticallyoverthepastseveraldecades.Deathsfromheartdiseasehavefallenby40percentsince1970.thankstobetterdetectionandtreatment,canceradvanceshavehelpedtoraiseU.S.lifeexpectancyfromanaverageof68yearsin1950to77yearstoday.

NotonlyhaveAmericanlivesgrownlonger,buttheirqualityhasimproved.Theproportionofpeopleover65withoneormorechronicdisabilities—suchastheinabilitytowalk,ortogetdressed,withoutaid—declinedfromgreaterthan25percentin1982tolessthan20percentin1999.andthedevelopmentofvision-correctionsurgery,amongmanyotherdrugsandprocedures,hasallowedmanyAmericanstoprolongpleasureshistoricallywithyouth.

Ofcourse,notalltherecentimprovementsinAmericanhealthandlongevitycanbedirectlyattributedtoourhealth-caresystem;someareasmuchtheresultofadoptinghealthierhabits(exercise,betterdiet)orofdroppingunhealthyones(smoking,toomuchalcohol-drinking).Still,bettermedicalcareistheprincipalcauseofimprovementsinAmericanhealthandlifespanoverthepast50years.

Buttheproblemisthatsince1960health-carespendinghasgrownsignificantlyfasterthantheeconomy,meaningthatwe'respendinganeverlargerportionofourincomesonmedicalcore.In1960healthcareconstituted5.1percentoftheU.S.economy;in1980itconstituted8.8percent;todayitconstitutes13.3percent.Meanwhile,privatehealth-insurancepremiums—whichroseby14percentlastyearalone—arebecomingunaffordableforeverAmericans.Thenumberofthingswecandotopayforthem.41millionsofourcitizensarenowuninsured.SothekeyquestionisnotwhetherhealthcareshouldberationedintheUnitedStates;italreadyis.Ratherthequestionishowhealthcareshouldberationed.Howshouldthepotentialbenefitsofreducedpain,improvedqualityoflife,orextendedlifebeweightedagainstthehighcostsofthemedicationsorproceduresinvolvedAndwhoshouldweighthemThesearehardquestionswithhighmoralstakes.Butwedohopethatthehealth-caresystemwillcovermorepeople.

環球網校成立于2003年,在七年時間里,網校經歷了飛速發展,目前已經擁有工程、外語、財會、經貿、醫療衛生、學歷、國家職業資格等七大類近百個考試項目的網絡輔導課程,每年上傳課程萬余小時。環球網校已經成為國內規模大的遠程職業教育機構。