耳機的危害初中英語作文_初中英語作文

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　　"Headset" modern common use a kind of entertainment tool, but along with science developed, the progress of mankind a lot of times people will forget these high-tech products to the harm of human beings, the headset-it is our health killer, whether listening to the radio or listen to music, in fact the most high headphones sound can be up to 115 decibels, than common noise high several times, and we contact noise, can appear tinnitus, hearing loss, if the contact noise over a long period of time, high marks the sound wave in the cochlea concussion liquid, hair will be excessive stimulation, hearing loss more apparent.

　　In daily life, noise level 70 decibels can interfere with talk, make a person distracted, spirit is not focused, and influence the work efficiency, or even an accident; The long-term work or living in 90 decibels noise environment, will seriously affect the hearing and lead to other the happening of the disease. Many from the side after MP3 gens, they headset voice next to even can hear him, noise tend to be more than 90 decibels. Use MP3, the eardrum accept noise decibels, highest have reach 115 decibels.

　　So we should pay attention to the dangers of headset brings to us, the reasonable use headphones.

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