单选题
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 (61) , they were like newborn children, unable to use this (62) tool. Yet once language developed, the possibilities for human kind's future (63) and cultural growth increased. Many linguists believe that evolution is (64) for our ability to produce and use language. They (65) that our highly evolved brain provides us (66) an innate language ability not found in lower (67) . Proponents of this innateness theory say that our (68) for language is inborn, but that language itself develops gradually, (69) a function of the growth of the brain during childhood. Therefore there are critical (70) times for language development. Current (71) of innateness theory are mixed, however, evidence supporting the existence of some innate abilities is undeniable. (72) , more and more schools are discovering that foreign languages are best taught in (73) grades. Young children often can learn several languages by being (74) to them, while adults have a much harder time learning another language once the (75) of their first language have become firmly fixed.
【答案解析】[解析] 此处意思是:越来越多的学校发现在低年级学外语较容易。根据常识(低年级学外语较容易)以及后文的“Young children often can learn several languages by being ______to them,while adults…”可以选定答案。故选D项。
【正确答案】
B
【答案解析】[解析] 此处意思是:通过接触多种语言,孩子们可以学会好几种语言。be exposed to是固定搭配,“接触到”。reveal(显露)sth. to sb.,不合题意,因本题中的them指languages。其余选项不与to搭配。engage in从事;be involved in参与。故选B项。