We hear this as a higher pitch. When there are fewer fluctuations in a period of time, the pitch is lower. The level of air pressure in each fluctuation, the wave's amplitude, determines how loud the sound is. In the next section, we'll look at how the ear is able to capture soun...
Making small talk is a skill that can be learned and acquired. Listen again on a company that's hot. Definition of small talk. A casual form of conversation. Common small talk subjects. Sports, hometown entertainment. It's a. Who makes small talk? Those who a quiet. Customer service rep...
百度试题 结果1 题目 ( A ) 3 How many times did the hunter hear the loud sound? A. Two. B. Three. C. Four. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
2. 根据第一段第二句“The reason is that some of the cells may 2.___ if you listen loud noises for a long time.”可知,此处指的是如果长时间听嘈杂的声音,一些细胞可能会死亡。 3. 根据第二段第一句“First, remember that your ears can clean themselves.”和“The earwax may go deep int...
And finally, volume. (Loud) I can get really excited by using volume. Sorry about that, if I startled anybody. Or, I can have you really pay attention by getting very quiet. Some people broadcast the whole time. Try not t...
The sound from an LRAD, in other words, doesn't disperse as much as sounds from typical speakers. While people behind or next to the device still hear the sound, it isn't as loud. Even outside the beam of sound, the sound can still be loud. So, operators and nearby personnel often...
I should see a doctor. 【解析】 细节理解题。根据See a doctor if your ears hurt.如果耳朵痛,看医生。故答案为:I should see a doctor.。 2. 【答案】 Yes, it will. 【解析】 细节理解题。根据Listening to loud music a lot can be bad for ears经常听大声的音乐对耳朵不好...
根据“White noise is made up of sounds from all the frequencies (频率) a human ear can hear, with the sound at each frequency having the same power.”可知,白噪声由人耳能听到的所有频率的声音组成。故选B。 (2)题详解: 细节理解题。根据“The reason for this is that white noise covers ...
of 40 Hz and below is extremely crude. Indeed, the results showwe are virtually deaf to these distortions at those frequencies. Even in the mid-bass at 280 Hz and lower, the noise can be around -14 dB (20% distortion), about half as loud as the music itself, before we hear it. ...
The human voice: It's the instrument we all play. It's the most powerful sound in the world, probably. It's the only one that can start a war or say "I love you." And yet many people have the experience that when they speak, people don't listen to them. And why is that? H...