一、设计思想耳聋表现为有相当程度的听力障碍。用喊话、拍掌、吹哨等方式试探聋人反应的方法,可在日常生活中作为定性观察聋人的手段,但不能得出定量的依据。一般可采用纯音听力计测定聋人的听力。但是聋人在测听时的反应与配合,与听力正常人之间有区别,不适宜用频率多、调节细的听 First, the design of deafness showed a considerable degree of hearing impairment. The method of testing the deaf response by means of propaganda, clapping, whistling, etc. can be used as a means of qualitatively observing the deaf in daily life, but no quantitative basis can be drawn. Generally available pure tone audiometer deaf hearing. However, deaf people respond and cooperate with the hearing, there are differences between normal hearing, not suitable for more frequent, fine-tuning to listen