1．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 （50）B，they were like newborn children，unable to use this（51）A  tool．Yet once language developed，the possibilities for human kind's future achievements and cultural growth increased．
Many language experts believe that evolution is （52）D  for our ability to produce and use language．They （53）C  that our highly evolved brain provides us with an innate （inborn：天生的）  language ability not found in lower organisms （生物，有機體）．Those who support this innateness theory say that our （54）A for language is inborn，but that language develops gradually，as a function of the growth of the brain during childhood．Therefore there are critical （55）B  time for language development．
Current （56）A  of innateness theory are mixed； however，evidence supporting the existence of some innate abilities can not be denied．（57）C，more and more schools （流派） are discovering that foreign languages are best taught in （58）D  grades．Young children often can learn several languages by being （59）B  to them，while adults have a much harder time learning another language once the （60）C  of their first language have become firmly fixed．
（61）A  some aspects of language are innate，language does not develop automatically of itself．Children who have been （62）D  from other human beings do not possess language．This demonstrates that interaction or communication with other human beings is necessary for proper language development．Some language experts believe that this is even more basic to human language acquisition （習(xí)得） than any innate abilities．These theorists view language as imitative，learned behavior．（63）C，children learn language from their parents by imitating them．Parents gradually shape their child's language skills by giving （64）B  feedback to precise imitations and negative feedback to imprecise ones．

50．A．producedB．evolvedC．bornD．originated
51．A．valuableB．a(chǎn)ppropriateC．convenientD．favorite
52．A．permanentB．a(chǎn)vailableC．reliableD．responsible
53．A．a(chǎn)ssureB．informC．claimD．convince
54．A．potentialB．performanceC．preferenceD．passion
55．A．personalB．biologicalC．socialD．psychological
56．A．reviewsB．referenceC．reactionD．recommendation
57．A．In a wordB．In a senseC．In factD．In other words
58．A．variousB．differentC．the higherD．the lower
59．A．revealedB．exposedC．engagedD．involved
60．A．requirementsB．formationsC．rulesD．construction
61．A．AlthoughB．WhetherC．SinceD．When
62．A．distinguishedB．differentC．protectedD．isolated
63．A．As a resultB．After allC．In other wordsD．Above all
64．A．inspiringB．positiveC．satisfyingD．exact

分析 本文屬于說明文閱讀，作者通過這篇文章主要向我們描述了語言的某些方面是與生俱來的，語言本身并不是自動發(fā)展的，但也通過后天學(xué)習(xí)改變．

解答 BADCA  BACDB  CADCB
50．B．考查動詞辨析．此處意為：當(dāng)人類剛剛開始進化，他們?nèi)缤律鷥阂粯硬粫\用語言這種工具．evolved逐漸發(fā)展，進化符合題意．born （bear的過去分詞）不能作謂語動詞；originated起源，不能用first修飾；故選B．
51．A．考查形容詞辨析．根據(jù)語法分析，答案應(yīng)用來修飾語言的．valuable珍貴的；appropriate合適的，適當(dāng)?shù)�；convenient方便的，便利的；favorite最喜歡的．語言并不是人類選擇的結(jié)果，而是人類在進化過程中慢慢發(fā)展起來的，對人類來說，應(yīng)當(dāng)是珍貴的；故選A．
52．D．考查形容詞辨析．此處意為：許多語言學(xué)家認(rèn)為進化使人們產(chǎn)生和具備了語言的能力．固定短語be responsible for對…負(fù)責(zé)，是…的原由．其它選項不與for搭配；故選D．
53．C．考查動詞辨析．根據(jù)語法分析，空格后應(yīng)是一個賓語從句，而A，B，D三項后都不能接從句做直接賓語．confirm（確認(rèn)） 名詞；inform（通知）sb．of sth．；convince（使某人確信） sb．of sth；故選C．
54．A．考查名詞辨析．此句意思是：人類的語言能力是與生俱來的，但語言本身也在逐漸發(fā)展，所以這種能力應(yīng)該是潛在的；故選A．
55．B．考查形容詞辨析．此句意為：語言的發(fā)展有一個關(guān)鍵期，人體的成長是生物變化的過程．biological生物的；ideological思想上的；social社會的；psychological心理的；故選B．
56．A．考查名詞辨析．此處意為：目前人們對"先天論"評論觀點不一，但是支持某些天生能力的證據(jù)卻是確鑿無疑的．reviews評論；reference參考；reaction反應(yīng)；recommendation推薦；故選A．
57．C．考查短語辨析．從前文可看出，作者是傾向于先天論的，為了進一步證明先天論是有道理的，作者選擇了以學(xué)校為例加以說明，因此這里應(yīng)填一個表示遞進關(guān)系的詞Indeed（甚至）；故選C．
58．D．考查形容詞辨析．此處意思是：越來越多的學(xué)校發(fā)現(xiàn)在什么年級學(xué)外語較容易，根據(jù)常識（低年級學(xué)外語較容易）以及后文的Young children often can learn several languages by being 14 to them，while adults…可以選定答案；故選D．
59．B．考查動詞辨析．此處意為：通過接觸多種語言，孩子們可以學(xué)會好幾種語言．be exposed to是固定搭配，接觸到．reveal（顯露）sth．to sb，不合題意，因本題中的them指languages．其余選項不與to搭配．engage in從事；be involved in參與；故選B．
60．C．考查名詞辨析．此句意思是：一旦母語的規(guī)則被深深印入腦海中，成年人就很難再學(xué)好另一種語言．rules規(guī)則，規(guī)律；regulations規(guī)定；formations構(gòu)成，構(gòu)造；constitutions憲法，章程；故選C．
61．A．考查連詞辨析．分析上下文的邏輯關(guān)系，從句意思是：語言的某些方面肯定是先天的．主句意思是：語言不會在與人隔絕的狀況下自行發(fā)展．前后應(yīng)為轉(zhuǎn)折關(guān)系；故選A．
62．D．考查形容詞辨析．此句意為：與人隔絕的兒童不能掌握好一門語言．isolated孤立的，與人隔絕的；distinguished區(qū)別的，杰出的；different不同的；protected受到保護的；故選D．
63．C．考查短語辨析．本句功能是以另一種方式解釋前文中的"imitative，learned behavior．（模仿性的后天行為）"．In other words換言之，換句話說；故選C．
64．B．考查形容詞辨析．根據(jù)句意家長逐漸塑造孩子的語言技能，給予積極的反饋精確模仿和負(fù)面反饋不精確的；故選B．

點評 考察學(xué)生的推理判斷能力和聯(lián)系上下文的能力，在做推理判斷題不要以個人的主觀想象代替文章的事實，要根據(jù)文章事實進行合乎邏輯的推理判斷．此類的填空題一定要聯(lián)系上下文，根據(jù)上下文的內(nèi)容加上自己的理解，再作出正確的判斷，

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