⏪ 新概念英语 - [4-025] - (97版) ⏩ ⏳ 正在检测本地文件... First listen and then answer the following question.先听录音，然后回答后面的问题。What conclusion does the author draw about noise and health in this piece? 作者在这篇文章中关于噪音和健康得出了什么结论？Non-auditory effects of noise 📁 请先导入本地文件， 需要帮助？点击我 ↗