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中小学教师，由于教学工作的需要，用嗓的时候很多，时常有咽干、发声不够洪亮和圆润舒畅、甚至声嘶音哑等现象，这与用嗓过度或用嗓不当有关。所以教师应注意嗓音的使用和保护，基本方法是：1．要保持教学环境肃静。教室不宜过大，讲台不宜过低。2．要改进教学方法。采取既少
Primary and secondary school teachers, due to the needs of teaching, with a lot of throat when, often throat, voice is not enough loud and smooth and comfortable, and even hoarseness and dumb phenomena, which with excessive use of throat or improper use of the throat. Therefore, teachers should pay attention to the use of voice and protection, the basic method is: 1. To keep the teaching environment quiet. The classroom should not be too large, the stage should not be too low. 2. To improve teaching methods. Take less