究竟什么使得人们在言语听辨中能迅速理解话语，而在言语产生中正确制订和执行言语汁划？解开这个谜对普通话教学有着十分重要的意义。它有助于确立正确的教学原则和选择有效的教学方法，也有助于普通话教学理论体系的建立。我们认为，对语言理解和使用起决定性作用的是人脑中 What makes people understand the utterances quickly in the process of utterance, and correctly formulate and implement utterances? To solve this mystery is of great importance to Putonghua teaching. It helps to establish the correct teaching principles and choose effective teaching methods, but also contributes to the establishment of the teaching system of Putonghua. We think it is in the human brain that is decisive for the understanding and use of language