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A(2019·唐山部分学校质量检测)Thealarmsounds.Studentsswingtheirbackpackovertheirshoulder,boardtheschoolbus,maketheirwaytotheirhomeroom

andthebellrings—schoolisback.ButformorehomesinAmerica,schoollooksmorelikestudentswakingup,makingtheirwaytot

hediningroomorhomeoffice,settinguplaptopsandlearninginthecomfortofhome.Virtual(虚拟的)schooling,describedas“apublicschoolthatoffersonlyinstr

uctioninwhichstudentsandteachersareseparatedbytimeand/orplace,andinteractionoccursviacomputersand/ortelecommunications(电信)technologies

”，hasincreasedoverthepastdecade.AccordingtotheNationalEducationPolicyCenter,enrollments(注册人数)invirtualschoolsincreasedby1

7,000betweenthe2017－2018schoolyearandthe2018－2019schoolyearto295,518.ForArizonaVirtualAcademy,afull-timeonlinepublicK-12school,the

yuseK12Inc.curriculums.K12Inc.servesstudentsinall50statesandmorethan100countrieswithdigitallearningplatformsandtechnology,providingonli

needucation.“Wealwaysareimprovingourplatformsandthetechnologythatweusetomakesurethatwe'rekeepingupwiththechangin

gtrends,notonlywitheducationbutalsowithtechnology，”Dr.KellyVanSandesaid.Anotherpieceofnewtechnologythey'vero

lledoutisanewappwhereparentscanfindvirtualschoolsavailableintheirarea.CarrieFaulknerchosetoenrolltwoofherchildreninArizonaVir

tualAcademy.Shesaysthey'vedoneschoolingonlineinChicago,inCalifornia,atrestaurantsandonhercousin'sfloorinKansas.“Itdoesn'tmatterwhetherhe(herson

)isonthecouch,inhisbedoratthekitchentable,hecandoschoolingwhereverhewantsto，”Faulknersaid.“IwishtheyhaditformebackwhenIwasinschool.That

wouldhavebeenawesome.”[语篇解读]本文是一篇说明文，介绍了近年来越来越受欢迎的虚拟教育。【难句分析】Virtualschooling，describedas“apublicschoolthatoffersonlyinstructionin

whichstudentsandteachersareseparatedbytimeand/orplace，andinteractionoccursviacomputersand/ortelecommunicationstechnologies”，hasincreasedo

verthepastdecade.分析：句子主干是Virtualschoolinghasincreasedoverthepastdecade；过去分词短语describedas“apublicschool...technologies”作定语，修饰主语Virtualsc

hooling；该过去分词短语中that引导一个定语从句修饰先行词apublicschool,inwhich引导一个定语从句修饰apublicschoolthatoffersonlyinstruction。译文：虚拟教育，被描述为“一个

只提供指导的公共学校，在这里学生和教师在时间和/或地点上是分开的，通过计算机和/或电信技术进行交流”，在过去的十年中有所增加。1．What'sthepurposeofthefirstparagraph?A．Togiveanexampleofvirtualschooling.B．Tointrodu

cethetopic“virtualschooling”．C．Todescribevividlystudents'goingtoschool.D．Tocomparerealschoolingwithvirtualschooling.解析：写作意图

题。第一段对传统的学生上学的情景和日益受欢迎的虚拟学校的学生上学的情景进行对比，第二段至文末都在讲虚拟教育，故首段的作用是引出本文的话题——虚拟教育。故选B。答案：B2．Howmanystudentsattendedvirtualschoolsduringthe2017－2018schoo

lyear?A．17,000.B．147,759.C．278,518.D．295,518.解析：数字计算题。根据题干中的信息定位答案在第二段末句，由该句可知，虚拟学校的注册学生人数在2017－2018学年和2018－2019学年间增加了17000，2018－2019学年注册人数增加到295518

，故答案为295518－17000＝278518。答案：C3．WhatcanweinferaboutArizonaVirtualAcademy?A．Theyprovidebothonlineandofflineeducation.B．They'reintendedforstudentsintheU

nitedStates.C．Theirnewappletspeoplefindschoolsnationwide.D．Theirplatformsandtechnologyareveryadvanced.解析：推理判断题。根据题干中的ArizonaVirtualAcadem

y定位答案在第三段。根据本段中Dr.KellyVanSande的话可知，该虚拟学校一直在改进他们的平台和技术，以确保能够跟上不断变化的趋势，不仅仅是跟上教育的变化趋势，还要跟上技术的变化趋势。由此可推断，该校的平台和技术很先进。故选D。答案：D4

．WhatisCarrieFaulkner'sattitudetovirtualschooling?A．Favorable.B．Doubtful.C．Indifferent.D．Disapproving.解

析：观点态度题。根据题干中的CarrieFaulkner定位答案在最后一段。CarrieFaulkner选择让她的两个孩子上虚拟学校，并且根据她说的“我真希望在我上学的时候也有虚拟教育，那就太棒了”也可推断，CarrieFaulkner对于虚拟教育持肯定、支持的态度。答案：AB(2019·

江西五校协作体期中检测)Imagineyou'restandinginlinetobuyanafter-schoolsnackatastore.Youstepuptothecounterandthecashierscansyourfood

.Next,youhavetopay.ButinsteadofscanningaQRcode(二维码)withyoursmartphone,youjustholdoutyourhandsothecashiercanscanyourfingerprint.

Or,acamerascansyourface,youreyesorevenyourears.Now,thistypeoftechnologymightnotbefaraway.Astechnologycompaniesmoveawayfr

omthetraditionalpassword,biometric(生物特征识别的)security,whichincludesfingerprint,faceandvoiceID,isbecomingincreasinglypopula

r.In2013,AppleintroducedtheiPhone5s,oneofthefirstsmartphoneswithafingerprintscanner.Sincethen,usingone'sfingerprinttounlockaphone

andmakemobilepaymentshasbecomecommonplace,bringingconveniencetoourlives.Andsincelastyear,Samsunghasfeaturedeyescanningtechnologyinitstopsmartphon

es,whileApple'snewiPhoneXcanevenscanauser'sface.Butdespiteitspopularity,expertswarnthatbiometricsmightnotbeassecureaswe'dimagin

ed.“Biometricsareideallygood,butinpractice,notsomuch，”saidJohnMichener,abiometricsexpert.Whenintroducin

gthenewiPhone'sFaceIDfeature,PhilSchiller,Apple'sseniorvicepresident,said,“ThechancethatarandompersoninthepopulationcouldlookatyouriPhoneXandunlo

ckitwiththeirfaceisaboutoneinamillion.”Butit'salreadybeendone.InavideopostedoncommunitywebsiteReddi,twobrothersshowedhowtheywereeachabletounlockth

esameiPhoneXusingtheirownface.Andtheyaren'teventwins.“Wemayexpecttoomuchfrombiometrics，”AnilK.Jain,acomputerscienceprofessoratMichi

ganStateUniversity,toldCBSNews.“Nosecuritysystemsareperfect.”Earlierthisyear,Jainfoundawaytotrickbiometricsecurity.Usingaprintedco

pyofathumbprint,hewasabletounlockadeadperson'ssmartphoneforthepolice.“It'sgoodtoseebiometricsbeingus

edmore，”JaintoldCBSNews,“becauseitaddsanotherfactorforsecurity.Butusingmultiplesecuritymeasuresisthebestdefense.”[语篇解读]本文是一篇议论文，主要

探讨了生物识别的安全问题。【难句分析】Andsincelastyear,Samsunghasfeaturedeyescanningtechnologyinitstopsmartphones，whileApple

'snewiPhoneXcanevenscanauser'sface.分析：本句为while连接的并列句。译文：自去年以来，三星的顶级智能手机采用了眼睛扫描技术，而苹果公司的新款iPhoneX甚至可以扫描用户的面部。5．Whatisthelatesttechnologytounlockasm

artphoneaccordingtothearticle?A．QRcodescanning.B．Facescanning.C．Fingerprintscanning.D．Eyescanning.解析：细节理解题。根据第三段第三句“Andsincela

styear，Samsunghasfeaturedeyescanningtechnologyinitstopsmartphones，whileApple'snewiPhoneXcanevenscanauser'sface.”可知，最新的手机解锁技术是人脸识别。答案：B6．What'samajorp

roblemoftheiPhoneX'sFaceIDsystem?A．Ittakestoolongtounlockthephone.B．Itoftenfailstorecognizeitsowner'sface.C．Faceda

tacouldbeusedforotherpurposes.D．Differentfacescouldbeusedtounlockthesamephone.解析：推理判断题。根据第四段中的“‘Thechancethatarandompersoninthepopulationco

uldlookatyouriPhoneXandunlockitwiththeirfaceisaboutoneinamillion.’Butit'salreadybeendone.”可推知，iPhoneX人脸识别系统的

一个主要问题是不同的面孔可以用来解锁同一部手机。答案：D7．WhatdoesAnilK.Jainthinkofbiometricsecurity?A．It'sassecureastraditionalme

asures.B．Ithascausedmuchtroubleforthepolice.C．Itshouldbeusedwithothersecuritymeasures.D．Itisperfectwithoutanyroomforimprovement

.解析：推理判断题。根据第六段中的“‘It'sgoodtoseebiometricsbeingusedmore.’JaintoldCBSNews，‘becauseitaddsanotherfactorforsecurity.Butusingmultiplesecurit

ymeasuresisthebestdefense.’”可推知，AnilK．Jain认为生物识别安全系统应该与其他安全措施一起使用。答案：C8．Theauthorwrotethisarticlemainlyto______

__.A．describethepopularityofbiometricsB．showhowbiometricshaschangedourlivesC．pointoutvariousproblemswithbiometricsD．discuss

thesecurityproblemsofbiometrics解析：写作意图题。通读全文，结合文章给出的人脸识别系统的安全问题及最后一段“Earlierthisyear，Jainfoundawaytotrickbiometricsecurity...

‘becauseitaddsanotherfactorforsecurity.Butusingmultiplesecuritymeasuresisthebestdefense.’”可知，本文主要讨论的是生物识

别的安全问题。答案：D