所谓聋人,细论起来其实应该分为两类:一是听力、语言障碍者;二是单纯听力障碍者(也称为重听人)。不论哪一类聋人,都需用手语,手语是他们参与社会生活的主要交流工具聋人与健全人,聋人朋友彼此之间都是用手语来交流的,可以说聋人从小到大都离不开手语。在中国标准手语出台前,大 The so-called deaf people, in fact, should be divided into two categories: one is hearing, speech disabilities; the second is hearing-impaired (also known as re-hearing people). No matter what kind of deaf people are required to use sign language, sign language is their main means of social participation in social life Deaf and healthy people, deaf friends are between each other in sign language to communicate, we can say that the deaf from childhood to age No sign language. Before the introduction of Chinese standard sign language, big