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史铁生在《我与地坛》中说：“一旦有一天我不得不长久地离开它，我会怎样想念它”，是因为地坛
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A．It has something to do with the temper-control of players.B．They show threatening at
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】______ 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.
【C1】
完工产品和在产品之间分配费用，采用在产品成本按年初数固定计算，这适用于()的产品。
Attractive compensation _______ with qualifications and experience will be offered to all
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