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Everything that humans hear is in the form of waves(波). Just as the eye sees light waves in the form of colors, the ear hears sound waves in the form of noises. The ear and the eye turn these different waves into signals that the brain(大腦) can make sense of.
The ears and brain have an amazing ability to recognize(識別) particular sounds. For example, a mother often can tell when her baby is crying even if there are other crying babies in the same room. This is because the sound of her baby’s cry has special meaning to her and the brain has recorded its importance.
The ability to recognize sounds improves with experiences. As the brain receives information about sounds from day to day, it stores the information in its memory. When the brain hears new sounds, it gives meaning to them based on the information already in the memory. This is why certain words or songs can make a person happy. Often it is not the words or songs themselves that cause this feeling. The sounds are connected to happy memories for that person.
Another hearing process controlled by the brain is to decide where a sound is coming from. One ear is usually closer to the source(來源) of a sound than the other ear is. Sound waves are stronger when they reach the ear that is closer. They also reach the closer ear first. The brain recognizes these differences and uses them to decide the location of the source of the sound.
【小題1】Which of the following shows the normal hearing process of a mother hearing her baby crying?
a. The ears receive the sound waves.
b. The mother recognizes her baby’s cry.
c. The baby’s turn the sound waves into signals.
d. The baby’s cry travels in the form of sound waves.
e. The brain connects the signals to the information in the memory.

A.d-a-c-b-e B.d-a-c-e-b
C.a-d-c-b-e D.a-d-c-e-b
【小題2】Certain words or songs can change a person’s moods mainly because of his _____.
A.lifestyle B.personality
C.experiences D.hobbies
【小題3】 Why does a person feel happy when they hear some songs?
A.Because certain words or songs can make a person happy.
B.Because a person has the ability to recognize the sounds
C.Because the certain sounds are connected to happy memories for that person.
D.Because the person feel the song is special
【小題4】According to the last paragraph, it will be the most difficult for a person who has lost the hearing in one ear to tell ______.
A.where the source of a sound is
B.how loud a sound is
C.when a sound starts to appear
D.what makes a sound
【小題5】What is the best title for this passage ?
A.Human Brain’s Amazing Facts
B.Human Hearing Characteristics
C.How To Improve Hearing
D.How Do Humans Hear


【小題1】B
【小題2】C
【小題3】C
【小題4】A
【小題5】D

解析試題分析:本文告訴我們人是怎樣聽到聲音的。某些話語或歌曲可以改變一個人的情緒,主要是因為他的經驗。對于一個一只耳朵失去聽力的人來說,判斷聲音的來源是最困難的。原因是當聲波到達較近耳朵的時候會比較強,聲波會先到達較近的耳朵,大腦會辨認出這些不同并利用它們來判定聲音來源。
【小題1】 細節(jié)理解題。下列哪項表明母親聽到她的嬰兒哭聲的一般過程?通讀第一、二段,可知B。
【小題2】細節(jié)理解題。某些話語或歌曲可以改變一個人的情緒,主要是因為他的經驗。根據第三段內容可知答案,故選C。
【小題3】細節(jié)理解題。為什么當一些人聽到歌曲會感到快樂?根據The sounds are connected to happy memories for that person. 這些聲音和那個人的快樂記憶相聯(lián)系可知,故選C
【小題4】推理判斷題。根據最后一段,對于一個一只耳朵失去聽力的人來說,判斷聲音的來源是最困難的。根據:當聲波到達較近耳朵的時候會比較強,聲波會先到達較近的耳朵,大腦會辨認出這些不同并利用它們來判定聲音來源可知答案。故選A。
【小題5】細節(jié)理解題。這個題目問的是,本文最好的題目是什么?人怎樣聽到聲音。通讀全文,主要講的是人怎樣聽到聲音的內容,故選D。
考點:科普類短文閱讀。

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