职称英语阅读理解原文训练.docx
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职称英语阅读理解原文训练.docx

职称英语阅读理解原文训练.docx

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职称英语阅读理解原文训练2017年职称英语阅读理解原文训练闻见广则聪明辟,胜友之而学易成。以下是小编为大家搜索整理的2017年职称英语阅读理解原文训练,希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!FirstSelf-containedHeartImplanted【首例整套人工心脏移植】Apatientonthebrinkofdeathhasreceivedtheworld’sfirstself-containedartificialheart—abattery-powereddeviceaboutthesizeofasoftballthatrunswithouttheneedforwires,tubesorhosesstickingoutofthechest.TwosurgeonsfromtheUniversityofLouisvilleimplantedthetitaniumandplasticpumpduringasever-houroperationatJewishHospitalMonday.Thehospitalsaidthepatientwas“awakeandresponsive”Tuesdayandrestingcomfortably.Itrefusedtoreleasepersonaldetails.Thepatienthadbeenexpectedtodiewithinamonthwithouttheoperation,anddoctorssaidtheyexpectedtheartificialhearttoextendtheperson’slifebyonlyamonth.Butthedeviceisconsideredamajorsteptowardimprovingthepatient’squalityoflife.Thenewpump,calledAbioCor,isalsoatechnologicalleapfromthemechanicalheartsusedinthe1980s,whichwereattachedbywiresandtubestobulkymachineryoutsidethebody.Themostfamousofthose,theJarvic-7,usedairasapumpingdeviceandwasattachedtoanapparatusaboutthesizeofawashingmachine.“Ithinkit’spotentiallyamajorstepforwardintheartificialheartdevelopment,”saidDr.DavidFaxon,presidentoftheAmericanheartAssociation.However,hesaidthedreamofanimplantable,permanentartificialheartisnotyetareality:“Thisisobviouslyanexperimentaldevicewhoselong-termsuccesshastobedemonstrated.”Onlyabouthalfofthe4,200Americansonawaitinglistfordonorheartsreceivedthemlastyear,andmostoftherestdied.Somedoctors,includingRobertHiggins,chairmanofcardiologyattheMedicalCollegeofVirginiainRichmond,saidartificialheartsareunlikelytoreplacedonorhears.“Adonorheartinagoodtransplantcanlast15to30years,”hesaid.“It’sgoingtobehardtoreplacethatwithamachine.”TheAbilCorhasa2-poundpumpingunit,andelectroniccontrolsthatadjustthepumpingspeedbasedonthebody’sneeds.Itispoweredbyasmallbatterypackwornoutsidethebodythattransmitscurrentthroughtheskin.文章中文翻译: