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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 1 , they were like newborn children, unable to use this 2 tool. Yet once language developed, the possibilities for human kind’s future 3 and cultural growth increased. Many linguists believe that evolution is 4 for our ability to produce and use language. 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 language. 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 child's language skills by positively reinforcing precise imitations and negatively reinforcing imprecise ones. 请在20处填上正确答案（）
基底动脉尖综合征可出现的临床表现（）
女性，45岁。近10天来恶心、乏力、厌食。查体：体温36．7℃，巩膜黄染，心肺未见异常，腹软无压痛，肝脾未触及。实验室检查：血中直间接胆红素均增加，血清转氨酶增高，最可能的诊断是（）。
吸气节流阀（STV阀）制冷系统的工作原理
下列哪项是法治作为基础的方面（）。
病理组织学检验的样品采集时，取材后立即放入10倍于组织块的10%的福尔马林溶液中固定，组织块厚度不超过（），切成1cm2～2cm2。
有时GC-MS可以用甲烷作载气。
调查问卷在录入完成后，要对数据进行全面的整理检查，这一步骤中，数据的整理过程由（）来完成。
网点发生以下（）业务，需经过支行会计经理审批授权后，柜员方可办理。
男，35岁。低热伴咳嗽3周，咳少量白痰。使用多种抗生素治疗无效。胸部X线片示右下叶背段斑片状影，有多个不规则空洞，无液平面。为明确诊断，应首先进行的检查是（）
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