2. 外语
  3. One word that you might have learned when you were studying about sound is frequency. Frequency means【C1】______fast the sound wa

One word that you might have learned when you were studying about sound is frequency. Frequency means【C1】______fast the sound wa

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问题     One word that you might have learned when you were studying about sound is frequency. Frequency means【C1】______fast the sound wave vibrates. Faster vibrations produce【C2】______pitched sounds. The notes in a musical scale indicate the【C3】______or frequency of the sound. 【C4】______word that can describe a sound is intensity. Intensity【C5】______to the amount of energy in a sound wave, and it【C6】______a sound’s loudness. Printed music will often include notes about how loud or【C7】______to play each section of the music. Timbre is another 【C8】______used to describe musical sounds. It describes how the same note will have【C9】______sounds when played【C10】______different instruments. For example the same note may sound soft and pretty when played on a flute, 【C11】______strong and brassy when played on a trumpet. The timbre of a note comes from both the actual note【C12】______is played【C13】______also its overtones, 【C14】______are other higher and lower sounds that are produced【C15】______the same time.
【C5】
选项
答案is related
解析 本句是对声音的强度进行的阐释，即这种强度与声波的能量有关。be related to意为“与……有关，和……有联系”，符合题意。因此空格处应填“is related”。
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