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沃德金包含哪些规格？（）
小说的三要素是（）。
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15处填上正确答案（）
多数病人就诊时症状已消失，诊断主要依靠病史（）
手扶式拖拉机组成其中包括（）。
强化企业主体地位，加强科技创新体系建设，深化科技体制改革，鼓励和支持企业增加（）投入。
每日防火巡回检查是是防止发生火灾事故的一项重要措施。
食品干燥基本原理的核心问题的实质是（）和（）。
图书馆的构成，主要包括（）；（）；工作人员、技术方法、建筑与设备等基本要素，这些要素的相互结合和相互作用，构成了图书馆这个发展着的有机体。
缺陷反射声压的大小取决于（）
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