考点分类练11　主旨大意题(2)2025年高考总复习优化设计二轮专题英语X课后习题专项能力提升练含答案.docx

考点分类练11主旨大意题(2)2025年高考总复习优化设计二轮专题英语X课后习题专项能力提升练含答案考点分类练(十一)主旨大意题(2)

Passage1(2024江苏苏锡常镇二模)

主题:软贴片词数:334难度:★★★☆☆

Thehumanvoiceisadelicatething.Eachperson’sdistinctivevoiceisproducedwhenairfromthelungscausesthevocalcords(声带)tovibrate(震颤).Thesevocalcordscaneasilygetdamaged.Accordingtoa2005study,30%ofthepopulationwillexperienceavoicedisorderatsomepointintheirlife.

InastudypublishedinthejournalNatureCommunicationsthisweek,agroupofbioengineeringresearchersfromtheUniversityofCaliforniahaveputforwardanattractivesolution.Theyhavedesignedandtestedasoftpatch(小片)thatcanbestuckontoaperson’sneck,whereitwillpickupmusclemovementsand,withthehelpofmachine-learningalgorithms(算法)thatprocessthesignals,translatethemintospeech.

Whenapersonlosestheirvoicetoday,theeasiestfixistoturntotyping,texting,orwritingnotestocommunicate.Typingcanbeslowandconvenient,saysJunChen,thepaper’sleadauthor,andwritingnotesisonlypossibleingoodlighting.Thenewsolutionwouldthereforebeabletoclearallthesehurdles.

Dr.Chen’sdeviceworksbasedonsomethingcalledthemagnetoelasticeffect.Essentially,whentinymagnetic(磁性的)bitsareplacedintosoftmaterials,theirmagneticpropertiescanchangeasthematerialisstretched.

Whenthethroatmusclesmoveunderthesoftpatch,theresultingmagnetoelasticeffectscanbechangedintoelectricalsignals.Inatestwitheightparticipants,thevariationscanbechangedbyelectricalsignals.

Researchersrecordedthesignalsasthesubjectsspokeandmouthedfivedifferentsentences.Theythentrainedamachine-learningmodelwhichwasthenabletopredictwhichofthefivesentencestheparticipantsspoke—whetheraloudorinsilence—withmorethan90%accuracy.

Thereisawaytogoyet,fornowthedevicecanonlyrecognizethefivephrasesitwastrainedon.Plus,tomakeitpracticalatscale,theresearcherswillneed