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举报参考答案：
C
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【单选题】胎儿的听觉传导途径是()
A.
以空气为介质，通过外耳道-膜-听骨链-迷路外淋巴-内淋巴-Corti氏器，在此产生音感受(也称正常气导途径)
B.
头颅骨-鼓室听骨链-内耳(又称骨导途径)
C.
直接经圆窗内淋巴-基底膜-Corti氏器
D.
经过腹壁的肌肉而进人羊水，再经此介质传经头颅骨-鼓室-前庭窗-迷路外淋巴-内淋巴-基底膜-Corti氏器产生声音的感觉
E.
以空气为介质，通过外耳道-膜-听骨链-迷路外淋巴-内淋巴-超声听觉感受器，在此产生声音感受
【单选题】Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of ads louder than the programming. In addition, t...
A.
TV stations always operate at the highest sound levels
B.
their sound levels are kept around peak levels
C.
their sound levels are kept in the middle frequency ranges
D.
unlike regular programs their intensity of sound varies over a wide range
【多选题】下列关于听觉的神经齐射理论，描述正确的有( )
A.
该理论由韦弗尔提出
B.
认为当声音频率低于400赫兹时，听神经个别纤维的发放频率是和声音频率对应的
C.
个别神经纤维无法对频率高的声音单独作出反应，神经纤维将按齐射原则发生作用
D.
个别纤维具有较低的发放频率，它们联合“齐射”，就可以反应频率较高的声音
【单选题】TEXT C Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of ads louder than the programming. In addi...
A.
does not exceed that of programs
B.
is greater than that of programs
C.
varies over a large range than that of programs
D.
is less than that of programs
相关题目：
【单选题】胎儿的听觉传导途径是()
A.
以空气为介质，通过外耳道-膜-听骨链-迷路外淋巴-内淋巴-Corti氏器，在此产生音感受(也称正常气导途径)
B.
头颅骨-鼓室听骨链-内耳(又称骨导途径)
C.
直接经圆窗内淋巴-基底膜-Corti氏器
D.
经过腹壁的肌肉而进人羊水，再经此介质传经头颅骨-鼓室-前庭窗-迷路外淋巴-内淋巴-基底膜-Corti氏器产生声音的感觉
E.
以空气为介质，通过外耳道-膜-听骨链-迷路外淋巴-内淋巴-超声听觉感受器，在此产生声音感受
【单选题】Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of ads louder than the programming. In addition, t...
A.
TV stations always operate at the highest sound levels
B.
their sound levels are kept around peak levels
C.
their sound levels are kept in the middle frequency ranges
D.
unlike regular programs their intensity of sound varies over a wide range
【多选题】下列关于听觉的神经齐射理论，描述正确的有( )
A.
该理论由韦弗尔提出
B.
认为当声音频率低于400赫兹时，听神经个别纤维的发放频率是和声音频率对应的
C.
个别神经纤维无法对频率高的声音单独作出反应，神经纤维将按齐射原则发生作用
D.
个别纤维具有较低的发放频率，它们联合“齐射”，就可以反应频率较高的声音
【单选题】TEXT C Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of ads louder than the programming. In addi...
A.
does not exceed that of programs
B.
is greater than that of programs
C.
varies over a large range than that of programs
D.
is less than that of programs
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