专题三　推理判断.pptxVIP免费

五年高考A组课标Ⅰ卷题组Passage1(2019课标全国Ⅰ,C)词数:261Asdataandidentitytheftbecomesmoreandmorecommon,themarketisgrowingforbiometric(生物测量)technologies—likefingerprintscans—tokeepothersoutofprivatee-spaces.Atpre-sent,thesetechnologiesarestillexpensive,though.ResearchersfromGeorgiaTechsaythattheyhavecomeupwithalow-costdevice(装置)thatgetsaroundthisproblem:asmartkeyboard.Thissmartkeyboardpreciselymeasuresthecadence(节奏)withwhichonetypesandthepressurefingersapplytoeachkey.Thekeyboardcouldofferastronglayerofsecuritybyanalyzingthingsliketheforceofauser􀆳stypingandthetimebetweenkeypresses.Thesepatternsareuniquetoeachperson.Thus,thekeyboardcandeterminepeople􀆳siden-tities,andbyextension,whethertheyshouldbegivenaccesstothecomputerit􀆳sconnectedto—regardlessofwhethersomeonegetsthepasswordright.Italsodoesn􀆳trequireanewtypeoftechnologythatpeoplearen􀆳talreadyfamiliarwith.Every-bodyusesakeyboardandeverybodytypesdifferently.Inastudydescribingthetechnology,theresearchershad100volunteerstypetheword“touch”fourtimesusingthesmartkeyboard.Datacollectedfromthedevicecouldbeusedtorecognizedif-ferentparticipantsbasedonhowtheytyped,withverylowerrorrates.Theresearcherssaythatthekeyboardshouldbeprettystraightforwardtocommercializeandismostlymadeofinexpensive,plastic-likeparts.Theteamhopestomakeittomarketinthenearfuture.1.Whydotheresearchersdevelopthesmartkeyboard?A.Toreducepressureonkeys.B.Toimproveaccuracyintyping.C.Toreplacethepasswordsystem.D.Tocutthecostofe-spaceprotection.2.Whatmakestheinventionofthesmartkeyboardpossible?A.Computersaremucheasiertooperate.B.Fingerprintscanningtechniquesdevelopfast.C.Typingpatternsvaryfrompersontoperson.D.Datasecuritymeasuresareguaranteed.3.Whatdotheresearchersexpectofthesmartkeyboard?A.It􀆳llbeenvironment-friendly.B.It􀆳llreachconsumerssoon.C.It􀆳llbemadeofplastics.D.It􀆳llhelpspeeduptyping.4.Whereisthistextmostlikelyfrom?A.Adiary.B.Aguidebook.C.Anovel.D.Amagazine.答案[语篇解读]本文是一篇说明文,主题语境是科学与技术,主题语境内容为科技发展。...