体育教师声带疾病产生的原因及防治●刘安剑体育教师拥有健康的噪子，宏亮、圆润的噪音，发出清晰、悦耳的口令及抑扬顿挫的语言，对学生的情绪和教学效果将产生良好的影响。然而，由于体育课多在室外进行，受诸多因素的影响，体育教师用噪的时间长，噪门大，音量高，加之... Causes and Prevention of Vocal Disturbance among Physical Education Teachers ● Liu Anjian Physical education teachers have healthy noises, magnificent, mellow noises, clear and sweet passwords and vague language, which will exert a good influence on students’ emotion and teaching effects. However, due to the fact that PE classes are mostly carried out outdoors, PE teachers use noise for a long time, loud noises and high volume, combined with ...