問題詳情

Headphones seem to be getting smaller and smaller. But are the ones that sit inside you ears     44   for you thantraditional 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 soundpressure 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 problemsubsides, 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.
44
(A)bad
(B)worse
(C)best
(D)worst

參考答案

答案:B
難度:適中0.64233
統計:A(101),B(783),C(141),D(102),E(1) #
個人:尚未作答書單:與現在事實相反的假設、使用Should之句型、Headphone

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