在下列探究活动中能明显感觉到声音是由物体振动产生的是 A.将�声的音叉触及面颊 b.欣赏不同的乐器演奏同一首曲子的声音 C.正在�声的手机 Template




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tomski在下列探究活动中能明显感觉到声音是由物体振动产生的是 a.将�声的音叉触及面颊 b.欣赏不同的乐器演奏同一首曲子的声音 coloring