-
新梢在落叶后主翌年萌芽前称之为()
-
普通示波器有()套电子枪,双线示波器有()套电子枪,记忆示波器有()个电子枪。
-
人接触血吸虫疫水后,能够入侵人体内的是()
-
解放CA6102型发动机采用()滤芯粗滤器,东风EQ61001型发动机采用()滤芯粗滤器。它们均采用()机油细滤器。
-
各级执法部门负责()本部门文化市场行政处罚自由裁量权的行使工作。
-
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10处填上正确答案()
-
光合作用的光化学反应是指()的过程。
-
制定劳动定额水平时应注意什么问题?
-
-
起重机的金属结构包括吊臂、回转平台、底架、人字架、大梁等,起重机的()和其他装置都安装在金属结构上,承受着起重机的自重以及作业时的各种载荷。