Let paralyzed patients walk again讓癱瘓的病人重新行走

1、PAGE PAGE - 4 -Letparalyzedpatientswalkagain讓癱瘓的病人重新行走薛俊剛三名癱瘓多年的病人又能夠重新走路了，這要歸功于植入他們脊柱的神奇的電子裝置。1AmotorcycleaccidentseveralyearsagoleftMichelRoccatiparalyzedfromthewaistdown.Now，yearsafterhisinjury，hehasregainedtheabilitytowalkthankstoelectrodes（電極）implantedonhisspine.“Iamfree，”Roccatisays.“Icanwalkw

2、hereverIwantto.”2Toperformanactionlikewalking，thebrainsendsamessagetoourmusclesintheformofelectricitythattellsthelegstomove.Butafteracompletespinalcord（脊髓）injury，thebrainssignalscantreachthenerves，resultinginparalysis.Byusingelectricalstimulationfromelectrodes，doctorsareabletosendsimilarelectricalsi

3、gnalstothebodythatthebrainwouldnormallydo，like“sit”，“stand”，or“walk”.3Theflexibleelectrodesarecontrolledbythetouchofatabletscreen.Thepatientordoctorcanthencontrolpulsesthatactivatemusclesinthelegs.Dependingontheelectrodestimulationpattern，thesignalstranslatetospecificmuscleactivities，likegettingupfr

4、omachairorridingabike.4Roccatiisoneofthreemenwhoparticipatedinthestudy.Thethreeparticipantswereages29，32，and41，andeachwasinjuredinmotorcycleaccidentsseveralyearsago.Allthreemenhadsixcentimetersofhealthyspinalcordbelowtheirinjuryandhadnomovementorsenseintheirlegsbeforetheoperation.Allthreepatientswer

5、eabletostand，walk，swimandcontroltheirmovementsjustonedayaftertheirimplantswereactivated.5Afterthedeviceswereimplanted，thethreestudyparticipantsweregiventraininginhowtousethedevices，whichtookawhiletogetusedto.Theycouldtakeasmanyas300stepsindependently，withsomesupport，withindaysofreceivingtheirimplant

6、s.Aftergettingcomfortablewiththedevicesinthelab，thepatientsprogressedtousingthedevicesintheirdailylives.6Next，researcherswilltestthestimulationdevicesinalargertrialwithdifferentpatientswithmorerecentinjuries.Thereissomeevidenceinanimalstudiesthatearlyelectricalstimulationmayhelpthespinalcordhealafte

7、rinjuries，whichcouldhelppatientsregainmoresense.Thenextstepistostartearlier，justaftertheinjury，whenthepotentialforrecoveryismuchlarger.ChoosethebestanswersaccordingtothetextDetail1.WhatwasMichelslifelikebeforeimplantingelectrodes？A.Hecouldntmoveatall.B.Hehadnosensebelowhiswaist.C.Hehadhisspinecomple

8、telyruined.D.Hegotinjuredbyanelectricshock.Detail2.Whatsthedecisivefactortoensurepeoplesmovements？A.Thecontrolonpulses.B.Thepowerofthebrain.C.Thetouchofatabletscreen.D.Theelectrodestimulationpattern.Inference3.Whyarethethreeparticipantsinparagraph4mentioned？A.Totellthepopularityofthetech.B.Tomakecom

9、parisonsamongpatients.C.Toshowthesuccessoftheexperiment.D.Togiveexamplesofdifferentmovements.Gist4.Whatisthetextmainlyabout？A.Auniquetreatment.B.Adisabledpatient.C.Ascientificreport.D.Amedicalachievement.AnalyzethedifficultsentenceinthetextDependingontheelectrodestimulationpattern，thesignalstranslatetospecificmuscleactivities，likegettingupfromachairorridingabike.根據(jù)電極刺激模式的不同，信號會轉化為特定的肌肉活動，比如從椅子上站起來或騎自行車?！军c石成金】本句中，Dependingontheelectrodestimulationpattern為方式狀語，和邏輯主語thesignals之間構成邏輯上的主謂關系;like