求初二物理声现象的试卷题及答案快点哦,各位大虾帮帮忙
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![求初二物理声现象的试卷题及答案快点哦,各位大虾帮帮忙](/uploads/image/z/3361024-64-4.jpg?t=%E6%B1%82%E5%88%9D%E4%BA%8C%E7%89%A9%E7%90%86%E5%A3%B0%E7%8E%B0%E8%B1%A1%E7%9A%84%E8%AF%95%E5%8D%B7%E9%A2%98%E5%8F%8A%E7%AD%94%E6%A1%88%E5%BF%AB%E7%82%B9%E5%93%A6%2C%E5%90%84%E4%BD%8D%E5%A4%A7%E8%99%BE%E5%B8%AE%E5%B8%AE%E5%BF%99)
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