It is not safe to listen to sounds that are louder than 85 decibels (dB分贝) for eight hours or100 dB for 15 minutes. The sound of a busy road is about 85 dB and the sound of a rock concert can be about 100 d B.Loud noise is harmful to the inner ear. Most of us have about...
hours or 100 dB for15 minutes.Loud noise is harmful to the inner ear.Most of us are born with about 16,000hair cells(听毛细胞)in our inner ears.These cells detect(探测)sounds.However,listening to loud noise for a long time can make these cells work too hard and causesome of them to...
no loud noise“No loud noise”是公共场合中广泛使用的行为规范,旨在通过限制噪音维护环境秩序与他人的权益。这一规定不仅涉及个人素养,更与公共健康、社会和谐密切相关,其应用场景、意义及实施方法值得深入探讨。 应用场景的多样性“No loud noise”的适用范围覆盖多个领域。例如,图书馆、...
Signal to noise ratio: ≥85dB Working voltage: 3.7V Distortion: <1% Charging voltage: DC5V Charging port: type-c Talk time: 10h Playing time: 24h Standby time: ≥90 days Charging time: 6-10H Packing size: 100*100*140mm Weight: 600g ...
Luna: "Come on, feel the noise!" [She pushes down the pedal, and plays a chord so powerful, it knocks the Duchess and dragon back. Lori and Lynn have golf balls and soccer balls in front of them, Lori holding a golf club.] Lori: "Fore!" [She and Lynn both swing, and kick, ...
The “safe level” for moist sound is the below 80 decibels for up to 40 hours a week. A level of 80 decibels is roughly equal to the noise of a subway. 1. Why are many young people at risk of hearing loss? A. They watch TV every day. B. They listen to music every day. C...
E. A level of 80 decibels is roughly equal to the noise of a subway. F. Young people are more sensitive to different sounds than elder people.G. Listening to music or watching a TV show at loud volume can harm your hearing.1. G 2. C 3. A 4. B 5. E 相关知识点: 试题来源...
精英家教网>高中英语>题目详情 —Did you sleep well last night? — No, the loud noise from the street ___ me awake for hours. A.had keptB.is keepingC.has keptD.kept 试题答案 在线课程 D 试题分析:句意:上文,昨晚你睡好没有?下文,没有。街上的吵闹声让我醒了几个小时。表示发生在过去的...
-No,the loud noise from the street ___ me awake for hours.( ) A.had keptB.is keepingC.has keptD.kept 试题答案 在线课程 分析---昨晚你睡得好吗? ---没有.街上的吵闹声让我醒了几个小时. 解答答案D. 根据上下文的语境及时间状语last night可知,说的是发生在过去的事情,从街道上传来的噪音...
Austin’s Noise Ordinance InAustin, individuals may not make noise or use sound equipment in public between 10:30 p.m. and 7 a.m. They cannot play a musical instrument or otherwise make noise that is audible to an adjacent private residence between 10:30 p.m. and 7 a.m. ...