From childhood to old age, all of us have to use language as a means of broadening our knowledge of ourselves and the world around us. When humans first 1 _ , they were like newborn children, unable to use this __2 _ tool. Yet once language developed, the possibilities for human kinds future __3__ and cultural growth increased.
Many linguists believe that evolution is __4 __ for our ability to produce and use languages. They _ 5__ that our highly evolved brain provides us 6 an innate language ability not found in lower 7 . Proponents of this innateness theory say that our 8 for language is inborn, but that language itself develops gradually, _ 9 a function of the growth of the brain during childhood. Therefore there are critical ___10___ times for language development.
Current __11__ of innateness theory are mixed, however, evidence supporting the existence of some innate abilities is undeniable. __12__ , more and more schools are discovering that foreign languages are best taught in __13__ grades. Young children often can learn several languages by being __14__ to them, while adults have a much harder time learning another language once the __15__ of their first language have become firmly fixed.
__16__ some aspects of language are undeniably innate, language does not develop automatically in a vacuum. Children who have been __17__ from other human beings do not possess languages. This demonstrates that __18__ with other human beings is necessary for proper language development. Some linguists believe that this is even more basic to human language __19__ than any innate capacities. These theorists view language as imitative, learned behavior. __20__, children learn language from their parents by imitating them. Parents gradually shape their childrens language skills by positively reinforcing precise imitations and negatively reinforcing imprecise ones.
【英语四级考试完形填空的模拟练习题(53)】相关文章:
最新
2016-08-08
2016-03-01
2016-03-01
2016-03-01
2016-03-01
2016-03-01