未分类题

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.
【C1】______
A.generated
B.evolved
C.born
D.originated