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Headphones seem to be getting smaller and smaller. But are the ones that sit inside you ears     44   for you than traditional ones that sit over you ears? They can be, 45 your music is too loud. Earphones pushed into the ear are going to deliver a greater sound pressure level compared 46   normal ones. And this could increase the risk of damage. If you hear ringing in your ears or things sound muffled   47   listening, you’ve overdone it. Usually the problem subsides, but listening to loud music regularly, with any type of headset, could  48  permanent hearing loss. Recent research suggests limiting use to an hour or less per day at no more than 60% volume for over-the-ear styles－and even less for ear-buds. Never sleep with them on.
【題組】47
(A)at
(B)since
(C)without
(D)after

答案：登入後觀看
難度： 適中
最佳解!
Shu-Hui Lin (2013/04/08)
If you hear ringing in your ears or things sound muffled after listening,.....看完整詳解
4F
Shu-Hui Lin (2013/04/08)
overdone（overdo的過去分詞：把...做得過分）
5F
Yi Ting Lin 國三下 (2016/05/26)
permanent 口語上也有燙髮的意思。
ex: she went to salon for a permanent.
6F
“勞謙君子，有終吉” 研一下 (2020/06/04)

If you hear ringing in your ears or things sound muffled   47   listening, you’ve overdone it. 

收聽後，如果您聽到耳邊響起或聲音聽起來有些悶悶，則表示您過分了。

(A)at
(B)since
(C)without
(D)after之後


Headphones seem to be getting smaller an..-阿摩線上測驗