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 human kind’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.
【C7】______

选项 A、organizations
B、organisms
C、humans
D、children

答案B

解析 此处意思是:我们高度发达的大脑使我们具备了其他低等动物所不具备的语言能力。显然,这里是把人和低等动物相比较。因此选organisms有机体,生物体。故选B项。
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