高考英语阅读之说明文基础训练(基础版).pdfVIP

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2022高考英语阅读之说明文基础训练（基础版）

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Alotofpeoplefeelthatit’smuchhardertolearnaforeignlanguageasyougrow

older—andthey’reright.Anewstudyfoundthatifyouwanttoachievethe

proficiency(精通)ofanativespeaker,you’dbeststartwhenyou’re10yearsold.

Thereisalotofevidencethatshowschildrenfinditmucheasierthanadultsto

learnaforeignlanguage,whichhasmaderesearcherssuggestthatthereisan

“importantperiod”forlanguagelearning.Butuntilnow,noonehasreallybeensure

whatthatageperiodis.Now,MITresearchersbelievetheyhavesolvedoneofthose

things.

Theyfoundthatthewindowstartstoclosewhenyou’reabout10yearsold.

Althoughchildrenupto17or18learnanewlanguagefasterthanadults,andtheir

abilitydropsslowerthanthatinadults,itbecomesverydifficulttoreachthe

proficiencyofanativespeakerifyoustartlaterthanage10.

Thefindingsarebasedonananalysisofagrammartesttakenbynearly670,000

people.Researcherstooksnapshots(快照)ofthousandsofpeoplewhowerein

differentstagesoflearningEnglish.Theyalsousedagamecalled“WhichEnglish?”

tojudgewhichdialectofEnglishthetest-takerspeaks.Withinhoursafterbeing

postedonthesocialmedia,the10-minutetest“WhichEnglish?”spreadquickly.

Researchersfoundthatthegrammar-learningabilityremainsstronguntilage17

or18,afterwhichitstartstodrop—whichwasratherunexpected.It’snotclearwhy

thedropstartstohappen.Itmayeitherbeaculturalreasonorabiologic