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1、课时提升作业二十三 必修5Unit3Lifeinthefuture(限时35分钟)Ⅰ.阅读理解A(2021·贵阳模拟)“Mirrormirroronthewall,who’sthefairestofthemall?”Anoldtaletellsseeminglyunbelievablestoryofamagicmirror,butnowthemagicisnolongerunachievable.InAugust2018,newswentviral(广为传播的)thatthepolicehadcaughtcriminalsuspectswhoattende
2、dChinesesingerJackyCheung’sconcerts.Howdidthepolicepickoutthesuspectsamongthousandsofscreamingfans?ThehelpinghandisAIfacialrecognitiontechnology.Thelow-keyyetpowerfultoolisnolongerfar-fetched,butenteringtheworldofChina’stopinvestorsandcompanies.Facialrecognitionisatechnologyableto
3、identifyapersonfromdigitalimageoraframefromavideosource.TangWenbin,CTOofFace++,anAIcomputervisiontechnologycompanyinChina,vividlyexplainedtheworkflow.Accordingtohim,facialrecognitionistheidentificationofourappearance,includingknowingthesex,ageandidentityofaperson.Youmaythinkitisli
4、keabrainoraneuralnetwork.Youusedatatotrainit,andthen,itlearnsthepattern.Facialrecognitiontechnologyhasbeentraditionallyalliedwiththesecurityworkbuttodaythereisactiveexpansionintootherindustriesincludingmobilephones,marketingandfinance.Chinesestart-upshaveseenthepotentialofAIfacial
5、recognitionforsimplifyingandspeedinguptasksinmultipleindustries.Andthemarketisnowcrowdedandcompetitive.ChinaisstartingtheAIrevolutionandhasmadebreakthroughsinfacialrecognition.“IfapplyingAItodifferentindustriesisamarathon,thecompaniesthereprobablyhavejustgotofftheblocks.”saidTianF
6、eng,directorofAlibabaCloudResearchCenter.Healsothinksthatinthefuture,everybodywillbeabletouseAIasitwillsoonbecomeabasictoolforworkandlife.【文章大意】本文为科技类说明文。文章主要介绍了人脸识别技术在中国的发展与前景。1.WhydoestheauthormentionmirrorsinParagraph1?A.Toimplythatsuchmagicalmirrorisachievable.B.Toleadtothetop
7、icthatsuchmagichasbecomereality.C.Toprovethatoldtalesarebasedontruestories.D.Todescribethebackgroundoffacialrecognition.【解析】选B。推理判断题。第一段中指出Anoldtaletellsseeminglyunbelievablestoryofamagicmirror,butnowthemagicisnolongerunachievable.一个古老的传说讲述了一个看似难以置信的魔镜的故事,但现在魔法不再是无法实现的。下文就介绍了人脸识别技
8、术的运用,所以用魔镜是为了引出文章讨论的主要内容——人脸识别技术。
