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阅读理解-七选五 0.65 引用1 组卷74

Have you ever found that you were able to sleep better with an air conditioner or fan running or perhaps with the sound of rain falling outside? 【小题1】 It acts as a way to mask distracting sounds. White noise is used as background noise that is created to drown out annoying noises.

One of the things that makes noise annoying is that the mind notices changes in the sounds of the environment. No doubt this ability helped keep our ancestors alive, by warning them of the faint sound made by a fierce animal. 【小题2】 It keeps us awake or keeps us from being able to concentrate.

White noise changes the background sound. The overall level of sound in the environment is higher, which raises the volume boundary over which noises must pass in order to be noticed. 【小题3】. So there are no details for the mind to notice. That is why it has a comforting quality--- it allows the mind to relax.

【小题4】 It is popular for helping people sleep, and it's also useful for helping students study, or for anyone who needs to concentrate. It calms and comforts babies, and is useful for travelers who find it hard to get to sleep in different environments with their unfamiliar noises. If traffic sounds, ticking clocks, and other people's conversations are bothering you, white noise can be a good solution.

Many office environments install white noise systems to help minimize distractions for office workers, and also to maintain speech privacy. A specialized use for white noise is in treating tinnitus (耳鸣). 【小题5】 When used as part of a well-designed treatment program, it can help in training the brain' s neurons (神经元) to ignore the sounds.

A.White noise has many benefits.
B.Besides, the sound quality has no special characteristics.
C.What types of sounds are exactly included in white noises?
D.If so, then you're already familiar with the concept of white noise.
E.To us, however, becoming sensitive to every tiny noise can be a problem.
F.White noise can often bring immediate relief from the annoying sounds of tinnitus.
G.Studies suggest that using sound masking in the workplace leads to higher productivity.
20-21高二下·浙江·期中
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