But what happened when these babies accustomed to English heard Spanish? The 12­month­olds studied the mouth longer, just like younger babies. They needed the extra information to recognize the unfamiliar sounds. That fits with research into bilingualism (双语)that shows babies' brains adjust themselves to distinguishing the sounds of their native language over other languages in the first year of life.tudy that this is “a fairly heroic data set”， says Duke University cognitive neuroscientist Greg Appelbaum, who found the research so fascinating that he wants to know more.

　　语篇解读：本文是一篇说明文。主要介绍了一项科学发现：婴儿不仅仅通过听声音来学习说话他们还会通过观察说话者的口型来学习讲话。________．选A　细节理解题。根据第一段第二、三句“They are lip­readers too ...that first ‘mama’ or‘dada’．”可知婴儿可能会通过读唇的方式发出“mama”的声音。故答案选A。 read English.

　　C．Speaking with babies face to face.

　　D．Speaking different languages in front of babies.

　　解析：选C　推理判断题。根据第一段最后一句“The 及第二段第三句“It offers more evidence ...important for speech development”可推知在婴儿的语言发展阶段跟婴儿面对面讲话是有必要的。故答案选C。

　　解析：选A　细节理解题。根据第三段最后四句“They found that ...the speaker's eyes.”并结合所给选项可知项坐标图符合文中的描述。故答案选A。anguage

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