下列关于声音的说法中正确的是a人说话时的声音是由声带振动产生的b女高音歌唱家的“高音 是指声音的响度很大c两名宇航�登上月球后能直接交谈 Template




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tomski下列关于声音的说法中正确的是a人说话时的声音是由声带振动产生的b女高音歌唱家的“高音 是指声音的响度很大c两名宇航�登上月球后能直接交谈 coloring