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  3. Hearing loss is normally associated with old age or years of touring in a rock band. But preventable noise-induced hearing loss

Hearing loss is normally associated with old age or years of touring in a rock band. But preventable noise-induced hearing loss

admin2019-08-08  26
问题    Hearing loss is normally associated with old age or years of touring in a rock band. But preventable noise-induced hearing loss is actually pretty common in the general population, affecting around 15% of Americans according to the National Institute of Deafness and Communication Disorders (NIDCD).
   When that damage is done to the sensory hair cells in the ear, people can’t regenerate them, so the damage is permanent, explains John Oghalai, professor of otolaryngology at Stanford University and director of the Children’s Hearing Center at Lucile Packard Children’s Hospital Stanford. 【F1】While there is ongoing research into finding ways to regenerate sensory hair cells and improve cochlear (耳蜗) implants, there is no perfect solution to hearing loss right now, which makes the need to lessen our exposure to loud noise that much more important.
   Even if New Yorkers can avoid loud restaurants, 5.7 million people travel by subway each weekday. 【F2】While the noise inside a subway car is only 75-85 decibels (分贝)—provided no one is shouting and there are no performers—the noise of a train passing the station is another matter. In Times Square, one of the busiest subway stations in the city, the noise level ranges from 80 decibels to 96 decibels when the express trains barrel through the station.
   Everyday city noises are impossible to avoid but there are a few things people can do to help prevent from hearing damage. It can be a good idea to use foam earplugs if you are stuck waiting for the express train. The same rule applies to loud concerts, says Oghalai.
   【F3】For headphones, there is a simple rule: if you can hear someone else’s music when they have them on, the volume is too loud, Oghalai says. For eating out, there are now noise ratings included in many restaurant reviews.
   Companies like Apple provide a function to limit the maximum volume on their devices if you are concerned as well.
   【F4】From daily commutes, to eating out to sitting in your apartment and hearing the honking of cars from a sixth-storey window, New York is full of noise no matter where you go.
   But for those who can get out of the city, there is somewhere nearby they can go for quiet. 【F5】In the suburbs, the sound inside a house in upstate New York with the soothing hum of central air and two elderly dogs panting in the background is a relaxing 33 decibels.
【F5】
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答案纽约北部郊区的一所房子里，中央空调发出使人平静的嗡嗡声，还隐约有两只年老的狗发出的喘息声。这两种声音交织一起只有33分贝，真让人倍感轻松。
解析 ①本句为一个主系表结构的简单句。②主语前有一个地点状语In the suburbs，主语后有较长的后置定语inside…with the soothing hum of central air…in the background，说明这些声音是怎样的和来自哪里。当中包含两个并列的伴随状语with the soothing hum of central air和(with)two elderly dogs panting in the background，表明声音的两个来源。
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