noises噪音;sounds声音;voices嗓音;shapes形状。根据“in the world with our ears”可知,此处指的是世界上的任何声音,voices通常指人的说话声和歌唱声。故选B。(3)题详解: 句意:下面将告诉你如何保护耳朵。what什么;when什么时候;how如何;where哪里。根据“Listening to … music a lot can be bad for ears...
During the test, there will be rushing noises that will change in volume. Select the three things you think you hear, even if you have to guess. Press the replay button if you were distracted and missed one of the numbers or words. If you are using headphones, we will check your ...
noises C. voices D. barks(C)31. A. Because B. Although C. So D. But(D)32. A.eyes B. nose C. head D. ears(A)33. A.loud B. beautiful C. interesting D. quiet(D)34. A. turn on B. turn off C. turn into D. turn down(A)35. A. rest B. trust C. gift D. ...
intervention, SWAT, police, emergency and homeland security professionals in mind, the primero DPC system raises the bar of safe radio communications by enabling conversation in noise of up to 115dB with hearing protection guaranteed even when loud ‘impulse’ noises such as shots or crashes occur...
With prolonged exposure or sudden very loud noises, the auditory nerve may degenerate. 2. How loud should kids headphones be? Limiting the volume on headphones you give to your kids is obviously a wise decision if you want to help protect their hearing, but some experts warn against ...
These headphones utilize advanced electronic noise cancellation technology to reduce harmful noises above 82 dB, ensuring your hearing remains safe during intense activities such as shooting, hunting, or working with machinery. The super fast attack time of less than 1 ms ensures that any sudden ...
But many things,such as loud noises, can cause hearing troubles. So how can we protect our ears? Let's take a look together.Keep your ears dry and warm16. C If you feel water in your ear, shake your head a little bit. This can help you get the water out of your ear. Also in...
Widex was the first to employ tone-based sounds inhearing aids to treat tinnituswhen it introduced its ZEN Therapy system in 2012. Widex hearing aids generate "fractal tones"—pleasant sounds that don't repeat (similar to a wind chime) to manage tinnitus noises in the ears and head. The ...
Headphones are headphones. Right? Not necessarily. Traditional activity headphones, while a step up from 60+ years ago due to their mobility and advances in sound, have their drawbacks. (This includes wireless ear-covering headsets.) One issue is that when sound is delivered directly into the ...
A noise is too loud if it hurts your ears to listen to it or if you find that after you move away from the noise, things sound muffled or there is a ringing in your ears. ● Protect your ears with earplugs (and frequent breaks) If you absolutely have to be around loud noises, ...