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
【C2】
选项
答案L
解析 首先，空格处需填一个形容词，前文提到我们将语言作为一种传播知识的means(方法，手段，工具)，而语言并不是人类选择的结果。而是人类在进化的过程中慢慢发展起来的。因此，语言对人类来说，应是一种有价值的工具，是珍贵的，因此应选择valuable(珍贵的)。
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