2021高考英语大一轮复习考点规范练8Unit3Computers新人教版必修2.docx

《2021高考英语大一轮复习考点规范练8Unit3Computers新人教版必修2.docx》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、考点规范练8Unit3ComputersⅠ.阅读理解A(2019·全国Ⅰ)Asdataandidentitytheftbecomesmoreandmorecommon,themarketisgrowingforbiometric(生物测量)technologies—likefingerprintscans—tokeepothersoutofprivatee-spaces.Atpresent,thesetechnologiesarestillexpensive,though.ResearchersfromGeor

2、giaTechsaythattheyhavecomeupwithalow-costdevice(装置)thatgetsaroundthisproblem:asmartkeyboard.Thissmartkeyboardpreciselymeasuresthecadence(节奏)withwhichonetypesandthepressurefingersapplytoeachkey.Thekeyboardcouldofferastronglayerofsecuritybyanalyzingthingsliket

3、heforceofauser’stypingandthetimebetweenkeypresses.Thesepatternsareuniquetoeachperson.Thus,thekeyboardcandeterminepeople’sidentities,andbyextension,whethertheyshouldbegivenaccesstothecomputerit’sconnectedto—regardlessofwhethersomeonegetsthepasswordright.Itals

4、odoesn’trequireanewtypeoftechnologythatpeoplearen’talreadyfamiliarwith.Everybodyusesakeyboardandeverybodytypesdifferently.Inastudydescribingthetechnology,theresearchershad100volunteerstypetheword“touch”fourtimesusingthesmartkeyboard.Datacollectedfromthedevic

5、ecouldbeusedtorecognizedifferentparticipantsbasedonhowtheytyped,withverylowerrorrates.Theresearcherssaythatthekeyboardshouldbeprettystraightforwardtocommercializeandismostlymadeofinexpensive,plastic-likeparts.Theteamhopestomakeittomarketinthenearfuture.1.Why

6、dotheresearchersdevelopthesmartkeyboard?A.Toreducepressureonkeys.B.Toimproveaccuracyintyping.C.Toreplacethepasswordsystem.D.Tocutthecostofe-spaceprotection.2.Whatmakestheinventionofthesmartkeyboardpossible?A.Computersaremucheasiertooperate.B.Fingerprintscann

7、ingtechniquesdevelopfast.C.Typingpatternsvaryfrompersontoperson.D.Datasecuritymeasuresareguaranteed.3.Whatdotheresearchersexpectofthesmartkeyboard?7A.It’llbeenvironment-friendly.B.It’llreachconsumerssoon.C.It’llbemadeofplastics.D.It’llhelpspeeduptyping.4.Whe

8、reisthistextmostlikelyfrom?A.Adiary.　　　B.Aguidebook.C.Anovel.D.Amagazine.B(2019·浙江杭州模考)Microsofthasdevelopedanewsmartphoneappthatinterpretseyesignalsandtranslatesthemintoletters,allowingpeoplewi