2. 外语
  3. From childhood to old age, we all use language as a means of broadcasting our knowledge of ourselves and the world about us. Whe

From childhood to old age, we all use language as a means of broadcasting our knowledge of ourselves and the world about us. Whe

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问题     From childhood to old age, we all use language as a means of broadcasting our knowledge of ourselves and the world about us. When human first【C1】______, they were like newborn children, unable to use this【C2】______ tool. Yet once language developed, the possibilities for humankind’s future attainments and cultural growth increased.
     Many linguists believe that evolution is【C3】______ for our ability to produce and use language. They  【C4】______that our highly evolved brain provides us with innate language ability not found in lower organisms. Proponents of this innateness (先天) theory say that our 【C5】______  for language is inborn, but that language itself develops gradually as a function of the growth of the brain during childhood. Therefore there are critical biological times for language development.
    Current【C6】______  of innateness theory are mixed, however, evidence supporting the existence of some innate abilities is undeniable. Indeed, more and more schools are discovering that foreign languages are best taught in the lower grades. Young children often can learn several languages by being【C7】 ______ to them, while adults have a much harder time learning another language once the rules of their first language have become firmly fixed.
    Although some aspects of language are undeniably innate, language does not develop tomatically in a vacuum. Children who have been【C8】 ______ from other human beings do not possess language. This demonstrates that【C9】______ with other human beings is necessary for proper language development. Some linguists believe that this is even more basic to human language【C10】 ______ than any innate capacities. These theories view language as imitative, learned behavior. In other words, children learn language from their parents by imitating them. Parents gradually shape their child’s language skills by positively reinforcing precise imitations and negatively reinforcing imprecise ones.
   A. appropriate          B. evolved           C. isolated           D. involved
   E. acquisition          F. claim             G. reviews            H. generate
   I. interaction          J. contrast          K. exposed            L. valuable
   M. inform               N. responsible       O. potential
【C8】
选项
答案C
解析 从动词与介词的搭配上看，空格处应选择可与 from搭配的动词；从空格前面的句子我们已知道，虽然语言的某些方面肯定是天生的，但语言不会在真空中自行发展。所谓“真空”，即“与人隔绝的状况”。空格所在句子对其前面句子的意思作进一步的例证：与人类隔绝的小孩是不能掌握好一门语言的。故选择isolated，构成be isolated from搭配，意为“孤立的，与人隔绝的”。
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