A.20~100Hz
B.200~900Hz
C.1000~3000Hz
D.4000~10000Hz
[单选题]人耳对声波最敏感的频率范围是()A.20~20000HzB.500~2000HzC.1000~3000HzD.125~8000HzE.8000~180
[单选题,A2型题,A1/A2型题] 人耳对声波最敏感的频率范围是()A . 20~20000HzB . 500~2000HzC . 1000~3000HzD . 125~8000HzE . 8000~18000Hz
[单选题]人耳对声波最敏感的频率范围是 ( )A.20~20000HzB.500~2000HzC.1000~3000HzD.125~8000HzE.8000~18000Hz
[单选题]人最敏感的声波频率范围是()。A.20—100HzB.200—900HzC.1000—3000HzD.4000—10000Hz
[单选题]人最敏感的声波频率范围是()。A.20—100HzB.200—900HzC.1000—3000HzD.4000—10000Hz
[单选题]人最敏感的声波频率范围是()。A.20—100HzB.200—900HzC.1000—3000HzD.4000—10000Hz
[试题]人耳能感觉到的声波频率范围为()A.20~1000HzB.20~2000HzC.20~4000HzD.20~8000HzE.20~20000Hz
[单选题]人耳能感觉到的声波频率范围为()A . 20~1000HzB . 20~2000HzC . 20~4000HzD . 20~8000HzE . 20~20000Hz
[单选题]人耳能感觉到的声波频率范围为()A .20~1000HzB .20~2000HzC .20~4000HzD .20~8000HzE .20~20000Hz
[单选题]人耳能感觉到的声波频率范围为()A.20~1000HzB.20~2000HzC.20~4000HzD.20~8000HzE.20~20000Hz