2020版英语高分突破大一轮课件专题三　推理判断.pptx

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1、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.ResearchersfromGeorgiaTechsaythat

2、theyhavecomeupwithalow-costdevice(装置)thatgetsaroundthisproblem:asmartkeyboard.Thissmartkeyboardpreciselymeasuresthecadence(节奏)withwhichonetypesandthepressurefingersapplytoeachkey.Thekeyboardcouldofferastronglayerofsecuritybyanalyzingthingsliketheforceofauser?stypingandthetim

3、ebetweenkeypresses.Thesepatternsareuniquetoeachperson.Thus,thekeyboardcandeterminepeople?siden-tities,andbyextension,whethertheyshouldbegivenaccesstothecomputerit?sconnectedto—regardlessofwhethersomeonegetsthepasswordright.Italsodoesn?trequireanewtypeoftechnologythatpeoplear

4、en?talreadyfamiliarwith.Every-bodyusesakeyboardandeverybodytypesdifferently.Inastudydescribingthetechnology,theresearchershad100volunteerstypetheword“touch”fourtimesusingthesmartkeyboard.Datacollectedfromthedevicecouldbeusedtorecognizedif-ferentparticipantsbasedonhowtheytype

5、d,withverylowerrorrates.Theresearcherssaythatthekeyboardshouldbeprettystraightforwardtocommercializeandismostlymadeofinexpensive,plastic-likeparts.Theteamhopestomakeittomarketinthenearfuture.1.Whydotheresearchersdevelopthesmartkeyboard?A.Toreducepressureonkeys.B.Toimproveacc

6、uracyintyping.C.Toreplacethepasswordsystem.D.Tocutthecostofe-spaceprotection.2.Whatmakestheinventionofthesmartkeyboardpossible?A.Computersaremucheasiertooperate.B.Fingerprintscanningtechniquesdevelopfast.C.Typingpatternsvaryfrompersontoperson.D.Datasecuritymeasuresareguarant

7、eed.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

8、。文章介绍了GeorgiaTech的研究者们想出了一种低成本的装置——智能键盘,来保护私人的电子空间,并希望这种设备能尽快进入市场,服务消费者。本文侧