练习材料：
Lesson25-2 Non-auditory effects of noise
On turning eagerly to the text, one learns that the lady was a typist who found the sound of office typewriters worried her more and more until eventually she had to go into a mental hospital. Now the snag in this sort of anecdote is of course that one merely a symptom? Another patient might equally well complain that her neighbours were combining to slander her and persecute her, and yet one might be cautious about believing this statement.
What is needed in case of noise is a study of large numbers of people living under noisy conditions, to discover whether they are mentally ill more often than other people are. Some time ago the United States Navy, for instance, examined a very large number of men working on aircraft carriers: the study was known as Project Anehin.
应用配置：L0+L4
知识笔记：eagerly/ typist/ anecdote/ persecute/ Navy/
练习感悟：用时40分钟。晚上完成的任务，录制了只有两三遍，质量不会太高。
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