我的耳朵聋了，听不到说话的声音却能听到物体敲击的声音
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\u4e00.\u586b\u7a7a:
1.\u4eba\u8033\u6240\u80fd\u542c\u5230\u7684\u58f0\u6ce2\u7684\u9891\u7387 Hz,\u6211\u4eec\u628a\u5b83\u53eb\u505a\u53ef\u542c\u58f0.\u4eba\u8033\u4e0d\u80fd\u542c\u5230\u7684\u58f0\u6ce2\u7684\u662f Hz \u7684 \u548c Hz\u7684 \u3002
2.\u8759\u8760\u901a\u5e38\u5728\u591c\u95f4\u6d3b\u52a8\uff0c\u5e76\u4e14\u80fd\u51c6\u786e\u5730\u5224\u65ad\u65b9\u5411\uff0c\u662f\u56e0\u4e3a\u5b83\u4eec\u5728\u98de\u884c\u65f6\u4f1a\u53d1\u51fa \uff0c\u8fd9\u4e9b\u58f0\u6ce2\u78b0\u5230\u969c\u788d\u7269\u4f1a \u56de\u6765\uff0c\u6839\u636e\u5176\u5230\u6765\u7684\u65b9\u4f4d\u548c\u65f6\u95f4\uff0c\u8759\u8760\u5c31\u53ef\u4ee5\u786e\u5b9a\u76ee\u6807\u7684\u4f4d\u7f6e\u548c\u65b9\u5411\u4e86.\u4eba\u4eec\u628a\u8fd9\u79cd\u5b9a\u4f4d\u7684\u65b9\u6cd5\u53eb\u505a \uff0c\u79d1\u5b66 \u5bb6\u6839\u636e\u8fd9\u79cd\u539f\u7406\u53d1\u660e\u4e86 \u7528\u6765 \u7b49.
3.\u5229\u7528\u8d85\u58f0\u6ce2\u901f\u5ea6\u6d4b\u5b9a\u5668\u53ef\u4ee5\u6d4b\u51fa\u9ad8\u901f\u8fd0\u52a8\u7684\u7f51\u7403\u7684\u901f\u5ea6\uff0c\u8be5\u4eea\u5668\u662f\u5229\u7528\u8d85\u58f0\u6ce2\u7684 ______\u6548\u5e94\u800c\u5b9e\u73b0\u7684\u3002\u7531 \u6b64_______(\u586b\u201c\u80fd\u201d\u6216\u8005\u201c\u4e0d\u80fd\u201d)\u63a8\u6d4b\u6b64\u88c5\u7f6e\u53ef\u4ee5\u63a2\u6d4b\u51fa\u9ad8\u901f\u516c\u8def\u4e0a\u8fdd\u7ae0\u8d85 \u901f\u7684\u6c7d\u8f66\u901f\u5ea6\u3002
\u4e8c.\u9009\u62e9:
4.\u4e0b\u5217\u5c5e\u4e8e\u5e94\u7528\u6b21\u58f0\u6ce2\u7684\u7684\u662f ( )
A.\u58f0\u5450\u6d4b\u5b9a\u6d77\u5e95\u6df1\u5ea6 B.\u9884\u62a5\u53f0\u98ce\uff0c\u76d1\u6d4b\u6838\u7206\u70b8
C.\u8759\u8760\u786e\u5b9a\u76ee\u6807\u7684\u65b9\u5411\u548c\u8ddd\u79bb D.\u6d77\u8c5a\u5224\u65ad\u7269\u4f53\u7684\u4f4d\u7f6e\u548c\u5927\u5c0f
5.\u5730\u9707\u662f\u5730\u7403\u53d1\u751f\u7684\u5267\u70c8\u632f\u52a8\uff0c\u800c\u4eba\u8033 \u5374\u542c\u4e0d\u5230\u8fd9\u79cd\u632f\u52a8\u7684\u58f0\u97f3\uff0c\u8fd9\u662f\u7531\u4e8e ( )
A.\u58f0\u97f3\u4e0d\u591f\u54cd B.\u58f0\u97f3\u662f\u566a\u58f0\u800c\u4e0d\u662f\u4e50\u97f3 C.\u9891\u7387\u4f4e\u4e8e20Hz D.\u9891\u7387\u9ad8\u4e8e20000Hz
6. \u201cB\u8d85\u201d\u662f\u5229\u7528\u8d85\u58f0\u6ce2\u6765\u8bca\u65ad\u75c5\u60c5\u7684\uff0c\u4f46\u662f\u4eba\u4eec\u542c\u4e0d\u5230\u5b83\u53d1\u51fa\u7684\u58f0\u97f3\uff0c\u8fd9\u662f\u56e0\u4e3a( )
A.\u58f0\u97f3\u7684\u9891\u7387\u9ad8\u4e8e\u4eba\u7684\u542c\u89c9\u9891\u7387 B.\u58f0\u97f3\u7684\u9891\u7387\u4f4e\u4e8e\u4eba\u7684\u542c\u89c9\u9891\u7387
C.\u58f0\u97f3\u7684\u9891\u7387\u9ad8\u4e8e\u4eba\u7684\u53d1\u58f0\u7684\u9891\u7387 D.\u58f0\u97f3\u7684\u9891\u7387\u4f4e\u4e8e\u4eba\u7684\u53d1\u58f0\u7684\u9891\u7387
7.\u590f\u5929\u7684\u508d\u665a\uff0c\u4e58\u51c9\u7684\u4eba\u4eec\u770b\u5230\u8759\u8760\u5728\u7a7a\u4e2d\u98de\u884c\uff0c\u5374\u542c\u4e0d\u5230\u8759\u8760\u53d1\u51fa\u7684\u58f0\u97f3\uff0c\u539f\u56e0\u662f\u8759\u8760( )[\u6765
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A. \u8d85\u58f0\u5c31\u662f\u901f\u5ea6\u8d85\u8fc7340m/s\u7684\u58f0\u97f3 B .\u8d85\u58f0\u5728\u6c34\u4e2d\u6bd4\u7a7a\u6c14\u4e2d\u4f20\u5f97\u5feb\uff0c\u4f20\u5f97\u8fdc
C. \u6b21\u58f0\u5c31\u662f\u6ca1\u6709\u4f20\u58f0\u4ecb\u8d28\uff0c\u4f7f\u4eba\u542c\u4e0d\u5230\u7684\u58f0\u97f3 D. \u8d85\u58f0\u53ef\u4ee5\u8d8a\u8fc7\u4e00\u5b9a\u539a\u5ea6\u7684\u771f\u7a7a\u5148\u524d\u4f20\u64ad
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A.\u8db3\u591f\u5f3a\u7684\u8d85\u58f0\u6ce2\u624d\u80fd\u88ab\u4eba\u542c\u89c1 B.\u4eba\u542c\u4e0d\u89c1\u7684\u58f0\u97f3\u53eb\u505a\u8d85\u58f0\u6ce2
C.\u4eba\u80fd\u542c\u5230\u7684\u58f0\u6ce2\u624d\u53eb\u53ef\u542c\u58f0 D.\u8d85\u58f0\u6ce2\u80fd\u4f20\u64ad\u81f3\u66f4\u8fdc\u7684\u5730\u65b9.
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