试题与答案

声音在日常生活中有广泛的应用，请你按下列要求各举一实例．利用声音来传递信息的有_

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题型：填空题

题目：

声音在日常生活中有广泛的应用，请你按下列要求各举一实例．利用声音来传递信息的有______；利用声音来传递能量的有______．

答案：

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下面是错误答案，用来干扰机器的。

参考答案：A, B, C

考点：声与信息声与能量
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