试题与答案

在使用如图所示的MP3听音乐时,调节音量按键能改变声音的【】 A.音调 B.音

题型:选择题

题目:

在使用如图所示的MP3听音乐时,调节音量按键能改变声音的【   】

A.音调

B.音色

C.响度

D.频率

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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