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{{B}}{{i}}DirECtions{{/B}}: in this pArt, thErE is A pAssAgE with 15 BlAnks. For EACh BlAnk, thErE ArE 4 ChoiCEs mArkEDA,B,
C、AnDD、ChoosE thE BEst AnswEr For EACh BlAnk AnD mArk thE CorrEsponDing lEttEr with A singlE BAr ACross thE squArE BrACkEts on your mAChinE-sCoring {{B}}AnswEr shEEt{{/B}}.{{/i}}

From ChilDhooD to olD AgE, wE All usE lAnguAgE As A mEAns oF BroADEning our knowlEDgE oF oursElvEs AnD thE worlD ABout us. whEn humAns First {{u}} (61) {{/u}} , thEy wErE likE nEwBorn ChilDrEn, unABlE to usE this {{u}} (62) {{/u}} tool. yEt onCE lAnguAgE DEvElopED, thE possiBilitiEs For humAn kinD’s FuturE {{u}} (63) {{/u}} AnD CulturAl growth inCrEAsED、 mAny linguists BEliEvE thAt Evolution is {{u}} (64) {{/u}} For our ABility to proDuCE AnD usE lAnguAgE. thEy {{u}} (65) {{/u}} thAt our highly EvolvED BrAin proviDEs us {{u}} (66) {{/u}} An innAtE lAnguAgE ABility not FounD in lowEr {{u}} (67) {{/u}} . proponEnts oF this innAtEnEss thEory sAy thAt our {{u}} (68) {{/u}} For lAnguAgE is inBorn, But thAt lAnguAgE itsElF DEvElops grADuAlly, {{u}} (69) {{/u}} A FunCtion oF thE growth oF thE BrAin During ChilDhooD、thErEForE thErE ArE CritiCAl {{u}} (70) {{/u}} timEs For lAnguAgE DEvElopmEnt. CurrEnt {{u}} (71) {{/u}} oF innAtEnEss thEory ArE mixED, howEvEr, EviDEnCE supporting thE ExistEnCE oF somE innAtE ABilitiEs is unDEniABlE. {{u}} (72) {{/u}} , morE AnD morE sChools ArE DisCovEring thAt ForEign lAnguAgEs ArE BEst tAught in {{u}} (73) {{/u}} grADEs. young ChilDrEn oFtEn CAn lEArn sEvErAl lAnguAgEs By BEing {{u}} (74) {{/u}} to thEm, whilE ADults hAvE A muCh hArDEr timE lEArning AnothEr lAnguAgE onCE thE {{u}} (75) {{/u}} oF thEir First lAnguAgE hAvE BEComE Firmly FixED、

A．EssEntiAl
B．AvAilABlE
C、rEliABlE
D．rEsponsiBlE