Unit5 The human brain 单元话题（人类大脑）首字母填空（分层练习）（解析版）.docx

Unit5Thehumanbrain

单元话题（人类大脑）首字母填空（分层练习）

Readthepassageandfillintheblankswithproperwords(在短文的空格内填入适当的词，使其内容通顺。每空格限填一词，首字母已给)

Humanshavetheamazingabilitytocommunicatewitheachotherthroughlanguage.Humanbabiescanlearnanyoneofthousandsoflanguages.Normally,thefirstlanguagetheylearnistheonespokenbytheirp1.Thereisgoodevidence(证据)thatbabies’brainsarealreadyprogrammedtolearnlanguage.Forexample,theyareabletonoticethedifferencebetweensoundsattheageofonemonth.Thishasbeenprovedwithinfants(婴儿)fromfamilieswhospeakd2languages.

Inanexperiment,thesebabiescouldtellthedifferencebetweensoundsevenifthebabies’mumsanddadsneveru3them.Thismeansthatthesebabieswerebornwiththeabilitytotellthetwosoundsapart.Babiesalsobabble(含糊不清说话)inthesamelanguagearoundtheworld.Itdoesn’tm4whethertheyareChinese,Japanese,orAmerican,andtheirearlysoundsarethesame.Betweensevenandeightmonthsofage,babiesstartbabblinginsyllables.Theytakethesound“ba”andturnitinto“ba-ba-ba.”Thebabblingsoundstheymakearecommontomostlanguages.

Childrenusuallybeginformingwordsbytheirfirstb5.Mostbabies’firstwordsareforobjectswhicharef6tothem,suchasclothes,foods,toys,animals,andpeople.Whenchildrenreachtheageoftwo,theycanspeakabout270words.Bythetimetheyaresix,theycanspeakabout2,600words.

Althoughmuchr7islefttobedoneinthelanguagefield,itseemsthatlearninglanguageisanaturalfunctionofthebrain.Aslongasababyisexposedto(接触)alanguage,thebabywilllearnit.

【答案】1．(p)arents2．(d)ifferent3．(u)sed4．(m)atter5．(b)irthday6．(f)amiliar7．(r)esearch

【导语】本文主要介绍了婴儿天生具有学习各种语言的惊人能力。

1．句意：通常情况下，他们学习的第一种语言是父母说的语言。根据“thefirstlanguagetheylearn”及首字母可知，婴儿学习的第一种语言应是父母说的那种语言，parents“父母”。故填(p)arents。

2．句意：这一点已经在说不同语言