搜题，就来5TiKU.com题库【问题】 AT-shirtthatconstantlymonitorstheheart'sactivityanddetectsabnormalitiescouldhelpprotectpeopleagainststroke.TheT-shirt，whichcanbewashedupto35timesbeforeitneedsreplacing，hasbeendevelopedtoimprovethedetectionofdangerousheartconditionslikeatrialfibrillation（心
AT-shirtthatconstantlymonitorstheheart'sactivityanddetectsabnormalitiescouldhelpprotectpeopleagainststroke.TheT-shirt，whichcanbewashedupto35timesbeforeitneedsreplacing，hasbeendevelopedtoimprovethedetectionofdangerousheartconditionslikeatrialfibrillation（心房颤动），whichcausesanirregularheartrhythmandraisestheriskofstroke. AtleastonemillionpeopleinBritainareknowntohavethiscondition；however，it'sestimated thatatleastanother500，000haveitbuthaven'tyetbeendiagnosedbecausetheyhavenoobvioussymptoms.Somewillhavesymptomssuchaschestpain，dizzinessandfatigue；butalargenumberofpeoplehavenoideathey'reilluntiltheysufferastroke. DetectingatrialfibrillationinvolvescarryingoutanECG（心电图）.ConventionalECGsaredoneinahospitalandinvolvehighlytrainedteamsofstaffattachingupto24separateelectrodes（电极）todifferentpartsofthebodytomeasureelectricalsignals.Butmostpatientsexperienceabnormalrhythmsonlyatintervals.Thismeansthechanceofpickingthemupduringashorthospitalcheckisslim. DoctorssometimesissuepatientswithadevicecalledaHoltermonitortowearundertheirclothestotrytopickupheartproblems.Thisisanelectronicboxwhichclipsontoyourwaistbandandisconnectedtoaseriesofelectrodeswornontheupperpartofyourbody.Buttheboxitselfisquitebulky，hardtohidebeneathclothingandinvolvesadozenormorewiresbeingattachedtothepatient'schest. TheCardioskinT-shirt，whichismadefromcotton，couldbeamuchmoreconvenientalternativeandcanbeworn24hoursaday-meaningitismorelikelytopickupanyabnormalrhythmsinthepatient'sheart.Ithas15tinyelectrodeswovenintothematerialwhicharestrategicallyplacedaroundthechestareatotracktheelectricalsignalsfromtheheartastheytravelacrossthemainpartofyourbody. TheelectrodesarepoweredbyabatterywhichcanberemovedeasilywhenyouneedtowashtheT-shirtandfeedresultstoamicrochipwhichthensendsthemoutwirelesslytoanapp.Thisconvertsthedataintoaneasy-to-readchartshowingiftheheartrateisabnormal.Theresultsaresharedwiththepatient'sdoctorsotheycancheckthepatient'sheartwithouthavingtocallthemintothehospital. MartinCowie，aprofessorofcardiologyatImperialCollegeLondon，said，"Cardioskincouldbeanimportantdevelopmentforcardiologists."（1）HowmanyBritishpeoplearehavingdangerousheartconditionsaccordingtothetext？______A.Lessthan0.5million.B.Atleast1.5million.C.Lessthan1million.D.Atleast2million.（2）WhatisthemainideaofParagraph3？______A.Thedifficultyindetectingatrialfibrillation.B.Thebenefitofdetectingatrialfibrillation.C.Theprocessofdetectingatrialfibrillation.D.Thefutureofdetectingatrialfibrillation.（3）WhydidtheauthormentionaHoltermonitorinthetext？______A.ToshowhowconvenienttheCardioskin T-shirtis.B.Tointroduceawaytocheckthepatient'sheart.C.Toencouragepeopletocareabouttheirhealth.D.Toexplainwhydoctorslikeusingthedevice.（4）WhatcanwelearnabouttheCardioskinT-shirt？______A.Ithasabatterythatcanbechargedeasilyandquickly.B.Itcanbewornamonthwithoutbeingwashed.C.IthaselectrodesplacedallovertheT-shirt.D.Itcanspeeduptheprocessofdiagnosis.
正确答案：（1）B. 细节理解题。根据第二段中的At least one million people in Britain are known to have this condition； however， it's estimated that at least another 500，000 have it but haven't yet been diagnosed because they have no obvious symptoms. （据了解，英
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