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举报参考答案：
举一反三
【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
【单选题】两物标距离定位时，应避免（）。
A.
两物标的方位交角很小
B.
在左、右正横附近各有一个物标
C.
在首、尾方向上各有一个物标
D.
A，B，C都是
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
【单选题】两物标距离定位时，应避免（）。
A.
两物标的方位交角很小
B.
在左、右正横附近各有一个物标
C.
在首、尾方向上各有一个物标
D.
A，B，C都是
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