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1、Unit1Festivalsaroundtheworld阅读理解组块专练——练速度(限时：30分钟)Ⅰ.阅读理解A(2019·杭州模拟)Expertsbelievethatthebesttimetoteachkidslanguageskillsiswhentheyarebabies.Mosttimethetaskiseasilyaccomplishedwithparentsreadingortalkingtotheirbabies.However,insomecasesthatisnotpossibleduetobusyworkschedulesorw
2、henkidsareborndeaf.Now,anadorableblueeyedrobot,ahumanavatar,andsomehightechneurosciencemaybeabletoassistparentswiththisimportantdevelopmentaltask.TheRobotAVatarthermalEnhancedsystem,orRAVE,isthebrainchildofateamofresearchersledbyLauraAnnPetitto,aneducationalneuroscientist,atWash
3、ington,D．C.'sGallaudetUniversity.Thelearningprocessbeginswhentherobot'scamera,whichisfocusedonthebaby'sface,detectstinychangesinhis/herbodytemperature.This,combinedwiththebaby'sfacialexpression,causestherobottoturnitsheadandguidethebaby'sattentiontoacomputerscreen,onwhichahumana
4、vatarstartstocommunicatewiththebaby,muchlikeaparentwould.Forexample,ifthebabypointstowardsthescreen,theavatarmightrespond,“Areyoupointingtome？”andfollowthatupwithanurseryrhyme,fairytale,orsomeessentialsocialcommunication,allinAmericanSignLanguage(ASL)．The“conversation”continuesu
5、ntilthekidlosesinterest.Theresearchers,whohavebeentestingthesystemforthreeyears,foundthatbabiesasyoungas6to8monthsoldbegantomovetheirhandsinarhythmsimilartoASLafterinteractingwithRAVEforjustafewminutes.Petittosaysnaturallanguage,whethercommunicatedthroughspeechorsign,activatesth
6、esamepartsofthebrainandbelievestherhythmicmotionsprovethebabiesarelearningtheessentialelementsofcommunication.Whatsetsthistechniqueapartfromothermethods,suchasshowingeducationalvideosortelevisionshows,isitsinteractivenatureandrealtimeresponsetothebaby'sactions.Theresearcherssayt
7、hatwhileitistooearlytodeterminethesystem'slongterminfluenceonbabycommunication,theinitialresponsehasbeenveryencouraging.Next,theyplantointroduceanavatarthatcanbothsignandspeaktobabies.语篇解读：本文是一篇科普说明文。文章主要介绍了一种可以帮助父母教婴儿学习语言的系统，以及该系统的工作原理、效果评价和研究人员对这种技术的前景展望。1．WhatcantheRAVEsystem
8、helpparentsdo?A．Improvebabies'healthcondition.B
