Question

【题目】 Do you often listen to music at loud volumes（音量）?【1】 Over 1 billion young people are at risk of hearing loss because of listening to loud noise for long periods of time. Listening to music or watching a TV show at loud volumes can harm your hearing.

【2】 It is not safe to listen to sounds that are louder than 85 dB(分贝) for eight hours or 100 dB for 15 minutes. The sound of a busy road is about 85 dB and the sound of a rock concert can be about 100dB.

Loud noise is harmful to the inner(内的) ear. Most of us are born with about 16,000 hair cells(细胞) in our inner ears. These cells notice sounds. However, listening to loud noise for a long time can make these cells work too hard and cause some of them to die. 【3】 Once this happens, it’s hard to get your hearing back.

Some people might think that their music isn’t all that loud. 【4】 For example, if you are in a noisy place like the subway, you might turn up your music too loud without realizing it. Later, when you listen to it at the same volume in a quiet place, you might feel uncomfortable.

The “safe level” for most sound is below 80 dB for up to 40 hours a week. A level of 80 dB is about equal to (相当于) the noise of a subway.

Here is some advice on safe listening. 【5】 They do a better job of stopping outside noise, so you can listen at a lower volume. Don’t listen to loud music on your headphones for a long time. Follow the 60:60 rule: listen to music at 60 percent of your headphones’ maximum(最大的) volume for no more than 60 minutes a day.

A.This is what causes hearing loss.

B.But this can depend on where you are.

C.The United Nations has standards for safe listening.

D.Over-the-ear headphones are better than in-ear ones.

E.You should know that this habit is bad for your hearing.

Answer 1

【答案】

【1】E

【2】C

【3】A

【4】B

【5】D

【解析】

本文主要讲述了听大音量音乐的习惯对听力有害。并告诉我们听力受损的原因。

【1】句意：你应该知道这个习惯对你的听力不好。

根据“Listening to music or watching a TV show at loud volumes can harm your hearing.”可知，听大音量音乐或看电视节目会损害你的听力，此处表示“你应该知道这个习惯对你的听力不好”的含义。结合选项，故选E。

【2】句意：联合国有安全倾听的标准。

根据后文“It is not safe to listen to sounds that are louder than 85 dB(分贝) for eight hours or 100 dB for 15 minutes.”可知，听高于85分贝8小时或100分贝15分钟是不安全的，所以此处内容与听声音的标准有关。结合选项，故选C。

【3】句意：这就是导致听力损失的原因。

根据“Most of us are born with about 16,000 hair cells(细胞) in our inner ears…can make these cells work too hard and cause some of them to die.”可知，此处在解释听力受损的原因。结合选项，故选A。

【4】句意：但这取决于你在哪里。

根据后文“For example, if you are in a noisy place like the subway…when you listen to it at the same volume in a quiet place, you might feel uncomfortable.”可知，此处与不同的地方有关。结合选项，故选B。

【5】句意：外挂式耳机比入耳式耳机更好。

根据后文“Don’t listen to loud music on your headphones for a long time.”可知，此处内容与耳机有关。结合选项，故选D。