2025年托?？荚囬喿x真題模擬模擬試卷：教育培訓(xùn)考試時(shí)間：______分鐘總分：______分姓名：______一、選擇題（本部分共30題，每題2分，共60分。請(qǐng)仔細(xì)閱讀每篇閱讀材料，并根據(jù)材料內(nèi)容選擇最符合題意的選項(xiàng)。）1.Accordingtothepassage,whichofthefollowingstatementsaboutthedevelopmentofearlyhumanlanguageistrue?A.Earlyhumansdevelopedlanguageprimarilytocommunicatewitheachother.B.Thedevelopmentoflanguagewasinfluencedbyenvironmentalfactors.C.Languagedevelopmentwasagradualprocessthattookplaceoverthousandsofyears.D.Earlyhumansacquiredlanguagethroughacombinationofgeneticandenvironmentalfactors.2.Theword"obstacles"inthepassageisclosestinmeaningto:A.barriersB.opportunitiesC.motivationsD.consequences3.Whatisthemainideaofthepassage?A.Thedevelopmentoflanguagewasagradualprocessinfluencedbyvariousfactors.B.Earlyhumansdevelopedlanguageprimarilytocommunicatewitheachother.C.Environmentalfactorsplayedasignificantroleinthedevelopmentofearlyhumanlanguage.D.Languagedevelopmentwasasuddeneventthatoccurredoverashortperiodoftime.4.Accordingtothepassage,whatwasoneofthemainchallengesfacedbyearlyhumansinthedevelopmentoflanguage?A.LimitedvocabularyB.LackofgrammaticalstructuresC.DifficultyinpronunciationD.Environmentalbarriers5.Theword"sophisticated"inthepassageisclosestinmeaningto:A.complexB.primitiveC.simpleD.primitive6.Whatdoesthepassagesuggestabouttherelationshipbetweenlanguageandcognitivedevelopment?A.Languagedevelopmenthasnoimpactoncognitivedevelopment.B.Languagedevelopmentandcognitivedevelopmentareunrelated.C.Languagedevelopmentenhancescognitiveabilities.D.Languagedevelopmenthinderscognitivedevelopment.7.Accordingtothepassage,whichofthefollowingisacharacteristicofhumanlanguage?A.Itisbasedonasystemofsymbolsandrules.B.Itisprimarilyusedforpracticalpurposes.C.Itisinheritedthroughgenetics.D.Itislimitedtoafewbasicexpressions.8.Theword"diversified"inthepassageisclosestinmeaningto:A.specializedB.variedC.standardizedD.simplified9.Whatisthepurposeofthepassage?A.Todescribethedevelopmentofearlyhumanlanguage.B.Toarguefortheimportanceoflanguageinhumansociety.C.Toexplaintherelationshipbetweenlanguageandcognitivedevelopment.D.Tocompareandcontrasthumanlanguagewithanimalcommunicationsystems.10.Accordingtothepassage,whatwasoneofthekeyfactorsthatcontributedtothedevelopmentofhumanlanguage?A.Theneedforearlyhumanstocommunicatewitheachother.B.Theinfluenceofenvironmentalfactorsonlanguagedevelopment.C.Thegeneticpredispositionofhumanstodeveloplanguage.D.Thepresenceofarichvocabularyinearlyhumanlanguage.11.Theword"facilitated"inthepassageisclosestinmeaningto:A.hinderedB.encouragedC.complicatedD.disrupted12.Whatdoesthepassagesuggestabouttheroleoflanguageinhumanevolution?A.Languageplayedaminimalroleinhumanevolution.B.Languagehadnoimpactonhumanevolution.C.Languagewasakeyfactorinhumanevolution.D.Languageandhumanevolutionwereindependentofeachother.13.Accordingtothepassage,whichofthefollowingisanexampleofalinguisticfeaturethatdistinguisheshumanlanguagefromanimalcommunicationsystems?A.Theuseofsymbolsandrules.B.Theabilitytoconveyabstractideas.C.Thepresenceofalargevocabulary.D.Thecomplexityofgrammaticalstructures.14.Theword"elaborate"inthepassageisclosestinmeaningto:A.simpleB.complexC.basicD.primitive15.Whatisthemainargumentofthepassage?A.Languagedevelopmentwasagradualprocessinfluencedbyvariousfactors.B.Earlyhumansdevelopedlanguageprimarilytocommunicatewitheachother.C.Environmentalfactorsplayedasignificantroleinthedevelopmentofearlyhumanlanguage.D.Languagedevelopmentwasasuddeneventthatoccurredoverashortperiodoftime.16.Accordingtothepassage,whatwasoneofthemainbenefitsoflanguageforearlyhumans?A.Itallowedthemtocommunicatemoreeffectivelywitheachother.B.Itprovidedthemwithawaytosolveenvironmentalchallenges.C.Itenhancedtheircognitiveabilities.D.Ithelpedthemtodevelopsocialstructures.17.Theword"significantly"inthepassageisclosestinmeaningto:A.slightlyB.greatlyC.moderatelyD.minimally18.Whatdoesthepassagesuggestabouttheroleofsocialinteractioninlanguagedevelopment?A.Socialinteractionhadnoimpactonlanguagedevelopment.B.Socialinteractionplayedaminimalroleinlanguagedevelopment.C.Socialinteractionwasakeyfactorinlanguagedevelopment.D.Socialinteractionandlanguagedevelopmentwereindependentofeachother.19.Accordingtothepassage,whichofthefollowingisacharacteristicofhumanlanguagethatdistinguishesitfromanimalcommunicationsystems?A.Theuseofalargevocabulary.B.Theabilitytoconveyabstractideas.C.Thecomplexityofgrammaticalstructures.D.Thepresenceofasystemofsymbolsandrules.20.Theword"influential"inthepassageisclosestinmeaningto:A.negligibleB.minimalC.significantD.insignificant21.Whatisthemainideaofthepassage?A.Languagedevelopmentwasagradualprocessinfluencedbyvariousfactors.B.Earlyhumansdevelopedlanguageprimarilytocommunicatewitheachother.C.Environmentalfactorsplayedasignificantroleinthedevelopmentofearlyhumanlanguage.D.Languagedevelopmentwasasuddeneventthatoccurredoverashortperiodoftime.22.Accordingtothepassage,whatwasoneofthemainchallengesfacedbyearlyhumansinthedevelopmentoflanguage?A.LimitedvocabularyB.LackofgrammaticalstructuresC.DifficultyinpronunciationD.Environmentalbarriers23.Theword"sophisticated"inthepassageisclosestinmeaningto:A.complexB.primitiveC.simpleD.primitive24.Whatdoesthepassagesuggestabouttherelationshipbetweenlanguageandcognitivedevelopment?A.Languagedevelopmenthasnoimpactoncognitivedevelopment.B.Languagedevelopmentandcognitivedevelopmentareunrelated.C.Languagedevelopmentenhancescognitiveabilities.D.Languagedevelopmenthinderscognitivedevelopment.25.Accordingtothepassage,whichofthefollowingisacharacteristicofhumanlanguage?A.Itisbasedonasystemofsymbolsandrules.B.Itisprimarilyusedforpracticalpurposes.C.Itisinheritedthroughgenetics.D.Itislimitedtoafewbasicexpressions.26.Theword"diversified"inthepassageisclosestinmeaningto:A.specializedB.variedC.standardizedD.simplified27.Whatisthepurposeofthepassage?A.Todescribethedevelopmentofearlyhumanlanguage.B.Toarguefortheimportanceoflanguageinhumansociety.C.Toexplaintherelationshipbetweenlanguageandcognitivedevelopment.D.Tocompareandcontrasthumanlanguagewithanimalcommunicationsystems.28.Accordingtothepassage,whatwasoneofthekeyfactorsthatcontributedtothedevelopmentofhumanlanguage?A.Theneedforearlyhumanstocommunicatewitheachother.B.Theinfluenceofenvironmentalfactorsonlanguagedevelopment.C.Thegeneticpredispositionofhumanstodeveloplanguage.D.Thepresenceofarichvocabularyinearlyhumanlanguage.29.Theword"facilitated"inthepassageisclosestinmeaningto:A.hinderedB.encouragedC.complicatedD.disrupted30.Whatdoesthepassagesuggestabouttheroleoflanguageinhumanevolution?A.Languageplayedaminimalroleinhumanevolution.B.Languagehadnoimpactonhumanevolution.C.Languagewasakeyfactorinhumanevolution.D.Languageandhumanevolutionwereindependentofeachother.二、填空題（本部分共20題，每題2分，共40分。請(qǐng)根據(jù)每篇閱讀材料的內(nèi)容，填寫(xiě)空格中缺失的單詞。）1.Thedevelopmentofearlyhumanlanguagewasagradualprocessthattookplaceover_______years.2.Environmentalfactorsplayeda_______roleinthedevelopmentofearlyhumanlanguage.3.Earlyhumansdevelopedlanguageprimarilyto_______witheachother.4.Oneofthemainchallengesfacedbyearlyhumansinthedevelopmentoflanguagewasthe_______ofvocabulary.5.Thedevelopmentoflanguageenhancedearlyhumans'_______abilities.6.Humanlanguageisdistinguishedfromanimalcommunicationsystemsbyits_______ofsymbolsandrules.7.Thepresenceofarich_______inearlyhumanlanguagefacilitateditsdevelopment.8.Socialinteractionwasakey_______inlanguagedevelopment.9.Languagedevelopmentandcognitivedevelopmentare_______ofeachother.10.Thecomplexityofgrammaticalstructuresisacharacteristicofhumanlanguagethatdistinguishesitfromanimalcommunicationsystems.11.Theinfluenceofenvironmentalfactorsonlanguagedevelopmentwas_______.12.Languagedevelopmentwasinfluencedbyacombinationofgeneticand_______factors.13.Theneedforearlyhumanstocommunicatewitheachotherwasakeyfactorthat_______languagedevelopment.14.Thedevelopmentoflanguagewasfacilitatedbythepresenceofa_______vocabulary.15.Humanlanguageiscapableofconveying_______ideas.16.Thedevelopmentoflanguagewasagradualprocessthattookplaceoverthousandsof_______.17.Environmentalfactorsplayedasignificantroleinthe_______ofearlyhumanlanguage.18.Earlyhumansdevelopedlanguageprimarilytocommunicatewitheachother,whichenhancedtheir_______abilities.19.Thepresenceofasystemofsymbolsandrulesisacharacteristicofhumanlanguagethatdistinguishesitfromanimalcommunicationsystems.20.Languagedevelopmentwasinfluencedbyacombinationofgeneticandenvironmentalfactors,whichenhancedearlyhumans'cognitive_______.三、閱讀理解（本部分共10題，每題4分，共40分。請(qǐng)仔細(xì)閱讀每篇閱讀材料，并根據(jù)材料內(nèi)容回答問(wèn)題。）31.Accordingtothepassage,whatwasoneofthemainbenefitsoflanguageforearlyhumans?A.Itallowedthemtocommunicatemoreeffectivelywitheachother.B.Itprovidedthemwithawaytosolveenvironmentalchallenges.C.Itenhancedtheircognitiveabilities.D.Ithelpedthemtodevelopsocialstructures.32.Theword"sophisticated"inthepassageisclosestinmeaningto:A.complexB.primitiveC.simpleD.primitive33.Whatdoesthepassagesuggestabouttherelationshipbetweenlanguageandcognitivedevelopment?A.Languagedevelopmenthasnoimpactoncognitivedevelopment.B.Languagedevelopmentandcognitivedevelopmentareunrelated.C.Languagedevelopmentenhancescognitiveabilities.D.Languagedevelopmenthinderscognitivedevelopment.34.Accordingtothepassage,whichofthefollowingisacharacteristicofhumanlanguage?A.Itisbasedonasystemofsymbolsandrules.B.Itisprimarilyusedforpracticalpurposes.C.Itisinheritedthroughgenetics.D.Itislimitedtoafewbasicexpressions.35.Theword"diversified"inthepassageisclosestinmeaningto:A.specializedB.variedC.standardizedD.simplified36.Whatisthemainideaofthepassage?A.Languagedevelopmentwasagradualprocessinfluencedbyvariousfactors.B.Earlyhumansdevelopedlanguageprimarilytocommunicatewitheachother.C.Environmentalfactorsplayedasignificantroleinthedevelopmentofearlyhumanlanguage.D.Languagedevelopmentwasasuddeneventthatoccurredoverashortperiodoftime.37.Accordingtothepassage,whatwasoneofthemainchallengesfacedbyearlyhumansinthedevelopmentoflanguage?A.LimitedvocabularyB.LackofgrammaticalstructuresC.DifficultyinpronunciationD.Environmentalbarriers38.Theword"facilitated"inthepassageisclosestinmeaningto:A.hinderedB.encouragedC.complicatedD.disrupted39.Whatisthepurposeofthepassage?A.Todescribethedevelopmentofearlyhumanlanguage.B.Toarguefortheimportanceoflanguageinhumansociety.C.Toexplaintherelationshipbetweenlanguageandcognitivedevelopment.D.Tocompareandcontrasthumanlanguagewithanimalcommunicationsystems.40.Accordingtothepassage,whatwasoneofthekeyfactorsthatcontributedtothedevelopmentofhumanlanguage?A.Theneedforearlyhumanstocommunicatewitheachother.B.Theinfluenceofenvironmentalfactorsonlanguagedevelopment.C.Thegeneticpredispositionofhumanstodeveloplanguage.D.Thepresenceofarichvocabularyinearlyhumanlanguage.四、判斷題（本部分共10題，每題4分，共40分。請(qǐng)根據(jù)每篇閱讀材料的內(nèi)容，判斷下列陳述是否正確。）41.Languagedevelopmentwasasuddeneventthatoccurredoverashortperiodoftime.42.Earlyhumansdevelopedlanguageprimarilytocommunicatewitheachother.43.Environmentalfactorsplayedasignificantroleinthedevelopmentofearlyhumanlanguage.44.Thedevelopmentoflanguageenhancedearlyhumans'cognitiveabilities.45.Humanlanguageisdistinguishedfromanimalcommunicationsystemsbyitsuseofalargevocabulary.46.Socialinteractionwasakeyfactorinlanguagedevelopment.47.Languagedevelopmentandcognitivedevelopmentareunrelated.48.Thecomplexityofgrammaticalstructuresisacharacteristicofhumanlanguagethatdistinguishesitfromanimalcommunicationsystems.49.Theinfluenceofenvironmentalfactorsonlanguagedevelopmentwasminimal.50.Languagedevelopmentwasinfluencedbyacombinationofgeneticandenvironmentalfactors.五、簡(jiǎn)答題（本部分共10題，每題4分，共40分。請(qǐng)根據(jù)每篇閱讀材料的內(nèi)容，簡(jiǎn)要回答問(wèn)題。）51.Accordingtothepassage,whatwasoneofthemainbenefitsoflanguageforearlyhumans?52.Theword"sophisticated"inthepassageisclosestinmeaningtowhat?53.Whatdoesthepassagesuggestabouttherelationshipbetweenlanguageandcognitivedevelopment?54.Accordingtothepassage,whatisacharacteristicofhumanlanguage?55.Theword"diversified"inthepassageisclosestinmeaningtowhat?56.Whatisthemainideaofthepassage?57.Accordingtothepassage,whatwasoneofthemainchallengesfacedbyearlyhumansinthedevelopmentoflanguage?58.Theword"facilitated"inthepassageisclosestinmeaningtowhat?59.Whatisthepurposeofthepassage?60.Accordingtothepassage,whatwasoneofthekeyfactorsthatcontributedtothedevelopmentofhumanlanguage?本次試卷答案如下一、選擇題答案及解析1.D.Earlyhumansacquiredlanguagethroughacombinationofgeneticandenvironmentalfactors.解析：文章提到早期人類(lèi)語(yǔ)言的發(fā)展是遺傳和環(huán)境因素共同作用的結(jié)果，所以選D。2.A.barriers解析：根據(jù)文章內(nèi)容，“obstacles”指的是語(yǔ)言發(fā)展過(guò)程中遇到的困難，與“barriers”（障礙）意思相近，所以選A。3.A.Thedevelopmentoflanguagewasagradualprocessinfluencedbyvariousfactors.解析：文章主要講述了語(yǔ)言發(fā)展的過(guò)程及其影響因素，所以選A。4.B.Lackofgrammaticalstructures解析：文章提到早期人類(lèi)語(yǔ)言的一個(gè)主要挑戰(zhàn)是缺乏語(yǔ)法結(jié)構(gòu)，所以選B。5.A.complex解析：“sophisticated”在文章中指的是語(yǔ)言的復(fù)雜，與“complex”（復(fù)雜的）意思相近，所以選A。6.C.Languagedevelopmentenhancescognitiveabilities.解析：文章提到語(yǔ)言發(fā)展增強(qiáng)了早期人類(lèi)的認(rèn)知能力，所以選C。7.A.Itisbasedonasystemofsymbolsandrules.解析：文章指出人類(lèi)語(yǔ)言是基于符號(hào)和規(guī)則的系統(tǒng)，所以選A。8.B.varied解析：“diversified”在文章中指的是語(yǔ)言的多樣性，與“varied”（多樣的）意思相近，所以選B。9.A.Todescribethedevelopmentofearlyhumanlanguage.解析：文章的主要目的是描述早期人類(lèi)語(yǔ)言的發(fā)展，所以選A。10.C.Thegeneticpredispositionofhumanstodeveloplanguage.解析：文章提到人類(lèi)有發(fā)展語(yǔ)言的遺傳傾向，所以選C。11.B.encouraged解析：“facilitated”在文章中指的是促進(jìn)了語(yǔ)言的發(fā)展，與“encouraged”（鼓勵(lì)）意思相近，所以選B。12.C.Languagewasakeyfactorinhumanevolution.解析：文章提到語(yǔ)言是人類(lèi)進(jìn)化中的一個(gè)關(guān)鍵因素，所以選C。13.D.Languagedevelopmentwasagradualprocessinfluencedbyvariousfactors.解析：文章提到語(yǔ)言發(fā)展是受多種因素影響的漸進(jìn)過(guò)程，所以選D。14.B.complex解析：“elaborate”在文章中指的是語(yǔ)言的復(fù)雜，與“complex”（復(fù)雜的）意思相近，所以選B。15.A.Thedevelopmentoflanguagewasagradualprocessinfluencedbyvariousfactors.解析：文章主要講述了語(yǔ)言發(fā)展的過(guò)程及其影響因素，所以選A。16.A.Itallowedthemtocommunicatemoreeffectivelywitheachother.解析：文章提到語(yǔ)言使早期人類(lèi)能夠更有效地交流，所以選A。17.B.greatly解析：“significantly”在文章中指的是很大程度地，與“greatly”（極大地）意思相近，所以選B。18.C.Socialinteractionwasakeyfactorinlanguagedevelopment.解析：文章提到社會(huì)互動(dòng)是語(yǔ)言發(fā)展中的一個(gè)關(guān)鍵因素，所以選C。19.A.Itisbasedonasystemofsymbolsandrules.解析：文章指出人類(lèi)語(yǔ)言是基于符號(hào)和規(guī)則的系統(tǒng)，所以選A。20.C.significant解析：“influential”在文章中指的是有影響力的，與“significant”（顯著的）意思相近，所以選C。21.A.Languagedevelopmentwasagradualprocessinfluencedbyvariousfactors.解析：文章主要講述了語(yǔ)言發(fā)展的過(guò)程及其影響因素，所以選A。22.B.Lackofgrammaticalstructures解析：文章提到早期人類(lèi)語(yǔ)言的一個(gè)主要挑戰(zhàn)是缺乏語(yǔ)法結(jié)構(gòu)，所以選B。23.A.complex解析：“sophisticated”在文章中指的是語(yǔ)言的復(fù)雜，與“complex”（復(fù)雜的）意思相近，所以選A。24.C.Languagedevelopmentenhancescognitiveabilities.解析：文章提到語(yǔ)言發(fā)展增強(qiáng)了早期人類(lèi)的認(rèn)知能力，所以選C。25.A.Itisbasedonasystemofsymbolsandrules.解析：文章指出人類(lèi)語(yǔ)言是基于符號(hào)和規(guī)則的系統(tǒng)，所以選A。26.B.varied解析：“diversified”在文章中指的是語(yǔ)言的多樣性，與“varied”（多樣的）意思相近，所以選B。27.A.Todescribethedevelopmentofearlyhumanlanguage.解析：文章的主要目的是描述早期人類(lèi)語(yǔ)言的發(fā)展，所以選A。28.A.Theneedforearlyhumanstocommunicatewitheachother.解析：文章提到早期人類(lèi)交流的需求是語(yǔ)言發(fā)展的一個(gè)關(guān)鍵因素，所以選A。29.B.encouraged解析：“facilitated”在文章中指的是促進(jìn)了語(yǔ)言的發(fā)展，與“encouraged”（鼓勵(lì)）意思相近，所以選B。30.C.Languagewasakeyfactorinhumanevolution.解析：文章提到語(yǔ)言是人類(lèi)進(jìn)化中的一個(gè)關(guān)鍵因素，所以選C。二、填空題答案及解析1.Thedevelopmentofearlyhumanlanguagewasagradualprocessthattookplaceoverthousandsofyears.解析：根據(jù)文章內(nèi)容，語(yǔ)言發(fā)展是一個(gè)漸進(jìn)的過(guò)程，持續(xù)了數(shù)千年的時(shí)間。2.Environmentalfactorsplayedasignificantroleinthedevelopmentofearlyhumanlanguage.解析：文章提到環(huán)境因素在語(yǔ)言發(fā)展中起到了重要作用。3.Earlyhumansdevelopedlanguageprimarilytocommunicatewitheachother.解析：文章指出早期人類(lèi)發(fā)展語(yǔ)言的主要目的是相互交流。4.Oneofthemainchallengesfacedbyearlyhumansinthedevelopmentoflanguagewasthelimitedvocabulary.解析：文章提到早期人類(lèi)語(yǔ)言發(fā)展中的一個(gè)主要挑戰(zhàn)是詞匯有限。5.Thedevelopmentoflanguageenhancedearlyhumans'cognitiveabilities.解析：文章提到語(yǔ)言發(fā)展增強(qiáng)了早期人類(lèi)的認(rèn)知能力。6.Humanlanguageisdistinguishedfromanimalcommunicationsystemsbyitsuseofasystemofsymbolsandrules.解析：文章指出人類(lèi)語(yǔ)言與動(dòng)物交流系統(tǒng)的區(qū)別在于其基于符號(hào)和規(guī)則的系統(tǒng)。7.Thepresenceofarichvocabularyinearlyhumanlanguagefacilitateditsdevelopment.解析：文章提到早期人類(lèi)語(yǔ)言的豐富詞匯促進(jìn)了其發(fā)展。8.Socialinteractionwasakeyfactorinlanguagedevelopment.解析：文章提到社會(huì)互動(dòng)是語(yǔ)言發(fā)展中的一個(gè)關(guān)鍵因素。9.Languagedevelopmentandcognitivedevelopmentarerelatedtoeachother.解析：文章提到語(yǔ)言發(fā)展與認(rèn)知發(fā)展是相互關(guān)聯(lián)的。10.Thecomplexityofgrammaticalstructuresisacharacteristicofhumanlanguagethatdistinguishesitfromanimalcommunicationsystems.解析：文章指出語(yǔ)法結(jié)構(gòu)的復(fù)雜性是人類(lèi)語(yǔ)言與動(dòng)物交流系統(tǒng)區(qū)別的一個(gè)特征。11.Theinfluenceofenvironmentalfactorsonlanguagedevelopmentwassignificant.解析：文章提到環(huán)境因素對(duì)語(yǔ)言發(fā)展的影響是顯著的。12.Languagedevelopmentwasinfluencedbyacombinationofgeneticandenvironmentalfactors.解析：文章提到語(yǔ)言發(fā)展受遺傳和環(huán)境因素共同影響。13.Theneedforearlyhumanstocommunicatewitheachotherwasakeyfactorthatfacilitatedlanguagedevelopment.解析：文章提到早期人類(lèi)相互交流的需求促進(jìn)了語(yǔ)言發(fā)展。14.Thedevelopmentoflanguagewasfacilitatedbythepresenceofarichvocabulary.解析：文章提到早期人類(lèi)語(yǔ)言的豐富詞匯促進(jìn)了其發(fā)展。15.Humanlanguageiscapableofconveyingabstractideas.解析：文章指出人類(lèi)語(yǔ)言能夠表達(dá)抽象思想。16.Thedevelopmentoflanguagewasagradualprocessthattookplaceoverthousandsofyears.解析：根據(jù)文章內(nèi)容，語(yǔ)言發(fā)展是一個(gè)漸進(jìn)的過(guò)程，持續(xù)了數(shù)千年的時(shí)間。17.Environmentalfactorsplayedasignificantroleinthedevelopmentofearlyhumanlanguage.解析：文章提到環(huán)境因素在語(yǔ)言發(fā)展中起到了重要作用。18.Earlyhumansdevelopedlanguageprimarilytocommunicatewitheachother,whichenhancedtheircognitiveabilities.解析：文章指出早期人類(lèi)發(fā)展語(yǔ)言的主要目的是相互交流，這增強(qiáng)了他們的認(rèn)知能力。19.Thepresenceofasystemofsymbolsandrulesisacharacteristicofhumanlanguagethatdistinguishesitfromanimalcommunicationsystems.解析：文章指出基于符號(hào)和規(guī)則的系統(tǒng)是人類(lèi)語(yǔ)言與動(dòng)物交流系統(tǒng)區(qū)別的一個(gè)特征。20.Languagedevelopmentwasinfluencedbyacombinati