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根据以下材料,回答题The Magic of SoundMusic is one of the most beautiful forms of artistic

根据以下材料,回答题

The Magic of Sound

Music is one of the most beautiful forms of artistic expressions ever invented. In movies and plays, music has an added function: it not only moves people but also can shock people. Is it true that an ordinary musical instrument can be so powerful?

Our eardrums can withstand sound within 20 to 80 decibels. Once sound exceeds this limit,even beautiful music will become ear-splitting noise and harm health. A strong blast of high sound can twist and break a solid iron sheet. __________ (46)

The noise from a plane"s engine is over 140 decibels. However, the sound of a flute is at most a few decibels. __________ (47) It has been proven that people who have worked in an environment with a high sound intensity for a long time suffer varying degrees of heart disease or altered brain waves.

In movies, sometimes the hero can produce a sound that ordinary people can"t hear and only those who have the same ability can feel. In nature, there is actually sound that is beyond our hearing. In physics, the sound that exceeds 20,000 Hz is called ultrasonic. __________ (48) It does no harm to health.

Sound less than 20 Hz is called infrasonic waves. When we move, the air will vibrate. __________ (49)

As the frequency of infrasonic waves is close to that of people"s internal organs, infrasonic wave may cause resonance in human bodies. As a result, people"s vision may weaken and internal organs may rupture. However, whether an infrasonic wave can be used as a weapon depends on its intensity. If its intensity is very low, it won"t damage internal organs or a person"s health. __________ (50) When wind blows at a force of 3 or 4 over the sea, it will produce infrasonic waves of several decibels.

Only typhoons can produce infrasonic waves of over 100 decibels. At present scientist can only produce infrasonic weapons in the lab with the help of advanced scientific tools and powerful electric power.

回答(46)题 查看材料

A.High sound of 150 decibels can kill a healthy rat.

B.The vibration of air can produce infrasonic waves.

C.We cannot play high-pitched music with ordinary musical instruments.

D.If the intensity of infrasonic wave exceeds 160 decibels, it is extremely harmful.

E.Dolphins, whales and bats can make such high-frequency sound.

F.Therefore, the sound of ordinary musical instruments cannot harm your health.

答案
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更多“根据以下材料,回答题The Magic of SoundMusic is one of the most beautiful forms of artistic”相关的问题

第1题

根据以下材料,回答题The Biology of MusicHumans use music as a powerful way to communicate.

根据以下材料,回答题

The Biology of Music

Humans use music as a powerful way to communicate. It may also play an important role in love. But what is music, and how does it work its magic? Science does not yet have all theanswers.

What are two things that make humans different from animals? One is language, and the other is music. It is true that some animals can sing (and many birds sing .better than a lot of people).

However, the songs of animals, such as birds and whales, are very limited. It is also true that humans, not animals ,have developed musical instruments.

Music is strange stuff. It is clearly different from language. However, people can use music to communicate things——especially their emotions. When music is combined with speech in a song, it is a very powerful form. of communication. But, biologically speaking, what is music?

If music is truly different from speech, then we should process music and language in different parts of the brain. The scientific evidence suggests that this is true.

Sometimes people who suffer brain damage lose their ability to process language. However,they don"t automatically lose their musical abilities. For example, Vissarion Shebalin, a Russiancomposer, had a stroke in 1953. It injured the left side of his brain. He could no longer speak or understand speech. He could, however, still compose music until his death ten years later.

On the other hand, sometimes strokes cause people to lose their musical ability, but they can still speak and understand speech. This shows that the brain processes music and language separately.

By studying the physical effects of music on the body, scientists have also learned a lot about how music influences the emotions. But why does music have such a strong effect on us? That is a harder question to answer. Geoffrey Miller, a researcher at University College, London, thinks that music and love have a strong connection. Music requires special talent, practice, and physical ability. That"s why it may be a way of showing your fitness to be someone"s.mate. For example,singing in tune or playing a musical instrument requires fine muscular control. You also need a good memory to remember the notes. And playing or singing those notes correctly suggests that your hearing is in excellent condition. Finally ,when a man sings to the woman he loves (or vice versa), it may be a way of showing off.

However, Miller"s theory still doesn"t explain why certain combinations of sounds influence our emotions so deeply. For scientists, this is clearly an area that needs further research.

Humans,but not animals, can sing. 查看材料

A.Right

B.Wrong

C.Not mentioned

点击查看答案

第2题

根据以下资料,回答题。<IMG nerror=jQuery.utils.imgErrorCallback(this) src="http://im

根据以下资料,回答题。

<IMG nerror=jQuery.utils.imgErrorCallback(this) src="http://img.shangxueba.cn/files/20141104/20141104134737_1884.jpg" ">查看材料

2003——2011年,累计完成全社会固定资产投资额为

A.1523431

B.1448711

C.1384561

D.1267751

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第3题

根据以下资料。回答题。 2009~2012年中国农村居民家庭人均消费支出 2009。2012年,

根据以下资料。回答题。

2009~2012年中国农村居民家庭人均消费支出

根据以下资料。回答题。 2009~2012年中国农村居民家庭人均消费支出 2009。2012年,根据2009。2012年,中国农村居民家庭人均消费支出年均增加约: 查看材料

A.478.63元

B.638.17元

C. 957.25元

D.1914.50元

点击查看答案

第4题

根据材料,回答题 可导致软骨关节病损、跟腱炎症,18岁以下儿童禁用的抗菌药物是()

根据材料,回答题

可导致软骨关节病损、跟腱炎症,18岁以下儿童禁用的抗菌药物是()。 查看材料

A.林可霉素类

B.酰胺醇类(氯霉素)

C.四环素类

D.氨基糖苷类

E.氟喹诺酮类

点击查看答案

第5题

根据以下答案,回答题

斑鳖 肿斑鳖素的含量测定采用

查看材料

A.紫外一可见分光光度法

B.薄层色谱扫描法

C.气相色谱法

D.高效液相色谱法

E.毛细管电泳色谱法

点击查看答案

第6题

根据下面材料,回答题。 Sleepless at NightIt was a normal summer night. Humidity (湿气) hun

根据下面材料,回答题。

Sleepless at Night

It was a normal summer night. Humidity (湿气) hung in the thick air. I couldn&39;t go to sleep,partly because of my cold and partly because of my expectations for the next day. My mum had said that tomorrow was going to be a surprise.

Sweat stuck to my aching body. Finally, I gathered enough strength to sit up. I looked out of my small window into the night. There was a big bright moon hanging in the sky, giving off a magic light.

I couldn&39;t stand the pressure anymore, so I did what I always do to make myself feel better. I went to the bathroom and picked up my toothbrush and toothpaste. I cleaned my teeth as if there was no tomorrow. Back and forth, up and down.

Then I walked downstairs to look for some signs of movement, some life. Gladiator, my cat frightened me as he meowed (喵喵地唱出) his sad song. He was on the old orange couch (长沙发),sitting up on his front legs, waiting for something to happen. He looked at me as if to show "I&39;m lonely, pet me. I need a good hug (紧抱)." Even the couch begged me to sit on it.

In one movement I settled down onto the soft couch. This couch represented my parents&39; marriage, my birth, and hundreds of other little events.

As I held Gladiator, my heart started beating heavily. My mind was flooded with questions:

What&39;s life? Am I really alive? Are you listening to me? Every time I moved my hand down Gladiator&39;s body, I had a new thought; each touch sang a different song.

I forgot all about the heat and the next day&39;s surprise. The atmosphere was so full of warmth and silence that I sank into its arms. Falling asleep with the big cat in my arms, I felt all my worries slowly move away.

The author of the passage could not go to sleep partly because__________. 查看材料

A.it was too cold

B.it was too dry

C.he had a cold

D.he had a fever

点击查看答案

第7题

请根据短文内容,回答题。 MusicMusic is one of the most beautiful forms of artistic expressio

请根据短文内容,回答题。

Music

Music is one of the most beautiful forms of artistic expressions ever invented. In movies and plays, music has an added function: it not only moves people but also can shock people.<br>

Our eardrums can withstand sound within 20 to 80 decibels (分贝 ) . Once sound exceeds this limit, even beautiful music will become car-splitting noise and harm health. A strong blast (响声 ) of high sound can twist and break a solid iron sheet. High sound of 150 decibels can kill a healthy rat.<br>

In movies, sometimes the hero can produce a sound that ordinary people can&39;t hear and only those who have the same ability can feel. In nature, there is actually sound that is beyond our hearing. In physics, the sound that exceeds 20,000 hz is called ultrasonic (超音波的). Dolphins, whales and bats can make such high-frequency sound. It does no harm to health.<br>

Sound less than 20 hz is called infrasonic (次声 ) waves. When we move, the air will vibrate.<br>

The vibration of air can produce infrasonic waves. As the frequency of infrasonic waves is close to that of people&39;s internal organs, infrasonic wave may cause resonance (共振) in human bodies. As a result, people&39;s vision may weaken and internal organs may rupture (断裂). However, whether an infrasonic wave can be used as a weapon depends on its intensity. If its intensity is very low, it won&39;t damage internal organs or a person&39;s health. If the intensity of infrasonic wave exceeds 160 decibels, it is extremely harmful. When wind blows at a force of 3 or 4 over the sea, it will produce infrasonic waves of several decibels. Only typhoons can produce infrasonic waves of over 100 decibels. At present, scientists can only produce infrasonic weapons in the lab with the help of advanced scientific tools and powerful electric power.

What could be the best title of the passage? 查看材料

A.The power of music

B.The harms of noises

C.The magic of sound

D.The discovery of infrasonic waves

点击查看答案

第8题

根据下面短文内容,回答题。 Public Relations __________

根据下面短文内容,回答题。

Public Relations

__________ 查看材料

A.matter

B.form

C.system

D.direction

点击查看答案

第9题

请根据短文的内容,回答题。 Sleepless at NightIt was a normal summer night. Humidity (湿气) h

请根据短文的内容,回答题。

Sleepless at Night

It was a normal summer night. Humidity (湿气) hung in the thick air. I couldn&39;t go to sleep,partly because of my cold and partly because of my expectations for the next day. My mum had said that tomorrow was going to be a surprise.<br>

Sweat stuck to my aching body. Finally, I gathered enough strength to sit up. I looked out of my small window into the night. There was a big bright moon hanging in the sky, giving off a magic light.<br>

I couldn&39;t stand the pressure anymore, so I did what I always do to make myself feel better. I went to the bathroom and picked up my toothbrush and toothpaste. I cleaned my teeth as if there was no tomorrow. Back and forth, up and down.<br>

Then I walked downstairs to look for some signs of movement, some life. Gladiator, my cat frightened me as he meowed (喵喵地唱出) his sad song. He was on the old orange couch (长沙发) , sitting up on his front legs, waiting for something to happen. He looked at me as if to show "I&39;m lonely, pet me. I need a good hug (紧抱) ." Even the couch begged me to sit on it.<br>

In one movement I settled down onto the soft couch. This couch represented my parents&39;<br>

marriage, my birth, and hundreds of other little events.<br>

As ! held Gladiator, my heart started beating heavily. My mind was flooded with questions:<br>

What&39;s life? Am I really alive? Are you listening to me? Every time I moved my hand down Gladiator&39;s body, I had a new thought; each touch sang a different song.<br>

I forgot all about the heat and the next day&39;s surprise. The atmosphere was so full of warmth and silence that I sank into its arms. Falling asleep with the big cat in my arms, I felt all my worries slowly move away.

The author of the passage could not go to sleep partly because ___________. 查看材料

A.it was too cold

B.it was too dry

C.he had a cold

D.he had a fever

点击查看答案

第10题

根据下面短文内容,回答题。 Teaching and Learning _____________

根据下面短文内容,回答题。

Teaching and Learning

_____________ 查看材料

A.careful

B.happy

C.familiar

D.pleased

点击查看答案
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