It's easy to take your hearing for granted until it's too late.
With the wide    16  _ (popular) of digital entertainment products, it is not uncommon to see people wearing headphones and listening to music    17   running in the park or using public transport. And the volume is often    18  loud that people around them can hear the music as well.
However, doctors warn that such behavior can potentially damage    19__ hearing. "Innoisy places, people tend   20 _(turn) the volume up to get the same clarity of sound. Unfortunately, that can damage the hearing   21  people being aware of it," said Feng Yongfeng, chief ENT physician at Beijing Tian'an Hospital.
After Spring Festival, the hospital witnessed    22  slight increase in the number of teenagers coming in with hearing problems,    23  Feng attributed to them wearing headphones at home for long periods during the holiday. Feng said both in-ear and overhead headphones can harm the ears and    24  (advise) against using them for long periods. He said if you do use headphones it is worth  25  (invest) in the highest quality you can afford.


【小題1】popularity
【小題2】while
【小題3】so
【小題4】their
【小題5】to turn 
【小題6】without
【小題7】a
【小題8】which
【小題9】advised
【小題10】investing

解析【小題1】popularity  wide后面of前面要接名詞，popular的名詞為popularity。
【小題2】while 指在公園跑步或者坐公交車的時(shí)候，經(jīng)�？匆�(jiàn)人們帶著耳機(jī)。While當(dāng)…時(shí)
【小題3】so    固定句型so…that…如此…以至于…
【小題4】their    這里的their是會(huì)損害指上文提及的帶著耳機(jī)，聽(tīng)著吵鬧音樂(lè)的人的聽(tīng)力。
【小題5】to turn 固定詞組tend to do sth傾向于做某事。
【小題6】without 句意是指很多了沒(méi)有意識(shí)到這一點(diǎn)。
【小題7】a 這里是指有聽(tīng)力問(wèn)題的人的數(shù)量有一些輕微的增加。
【小題8】which    非限制性定語(yǔ)從句的關(guān)系代詞。
【小題9】advised  這里指Feng Yongfeng教育人們賓語(yǔ)長(zhǎng)時(shí)間的用耳機(jī)。
【小題10】investing  固定句型sth be worth doing某事值得被做。

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