2. 专升本
  3. From childhood to old age, we all use language as a means of broadening our knowledge of ourselves and the world about us. When

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

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问题     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 【C1】 ________  , they were like newborn children, unable to use this【C2】 ________  tool. Yet once language developed, the possibilities for humankind’ s future 【C3】 ________  and cultural-growth increased. Many linguists believe that evolution is 【C4】 ________  for our ability to produce and use language. They 【C5】 ________  that our highly evolved brain provides us 【C6】 ________  an innate language ability not found in lower 【C7】 ________  . Proponents of this innateness theory say that our 【C8】 ________  for language is inborn, but that language itself develops gradually, 【C9】 ________  a function of the growth of the brain during childhood. Therefore there are critical 【C10】 ________  times for language development. Current 【C11】 ________  of innateness theory are mixed, however, evidence supporting the existence of some innate abilities is undeniable. 【C12】 ________  , more and more schools are discovering that foreign languages are best taught in【C13】 ________  grades. Young children often can learn several languages by being【C14】 ________  to them, while adults have a much harder time learning another language once the【C15】 ________  of their first language have become firmly fixed.【C16】 ________ some aspects of language are undeniably innate, language does not develop automatically in a vacuum. Children who have been 【C17】 ________  from other human beings do not possess language. This demonstrates that【C18】 ________  with other human beings is necessary for proper language development. Some linguists believe that this is even more basic to human language【C19】 ________  than any innate capacities. These theorists view language as imitative, learned behavior. 【C20】 ________  , 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.
【C4】
选项 A、essential
B、available
C、reliable
D、responsible
答案D
解析 此处意为：许多语言学家认为进化使人们产生和具备了语言的能力。固定短语be responsible for对……负责，是……的原由。其它选项不与for搭配。
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