16.A.Although B.Whether C.Since D.When some aspects of language are undeniably innate, language does not develop automatically in a vacuum. Children who have been 17.A.distinguished B.different C.protected D.isolated from other human beings do not possess language. This demonstrates that 18.A.exposition B.comparison C.contrast D.interaction with other human beings is necessary for proper language development. Some linguists believe that this is even more basic to human language 19.A.acquisition B.appreciation C.requirement D.alternative than any innate capacities. These theorists view language as imitative, learned behavior. 20.A.As a result B.After all C.In other words D.Above all , children learn language from their parents by imitating them. Parents gradually shape their childs language skills by positively reinforcing precise imitations and negatively reinforcing imprecise ones.
答案与解析:
1.B
此处意为:当人类刚刚开始进化,他们如同新生儿一样不会运用语言这种工具。evolved逐渐发展,进化符合题意。generated生殖,发展;born (bear的过去分词)不能作谓语动词;originated起源,不能用first修饰。
2.A
根据语法分析,答案应用来修饰语言的。valuable珍贵的;appropriate合适的,适当的;convenient方便的,便利的;favorite最喜欢的。语言并不是人类选择的结果,而是人类在进化过程中慢慢发展起来的,对人类来说,应当是珍贵的。
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