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【判断题】
听觉信号，长声为3s，短声为2S，音响间隔为lS。()
A.
正确
B.
错误
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参考答案：
举一反三
【单选题】Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of making 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】诊断室间隔缺损，下述哪一项不符合（）
A.
胸骨左缘3、4肋间粗糙收缩期杂音
B.
肺动脉第2音亢进
C.
心电图电轴右偏，不完全性右束支阻滞
D.
X线示肺门血管增粗，肺野充血
E.
反复患呼吸道感染
相关题目：
【单选题】Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of making 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】诊断室间隔缺损，下述哪一项不符合（）
A.
胸骨左缘3、4肋间粗糙收缩期杂音
B.
肺动脉第2音亢进
C.
心电图电轴右偏，不完全性右束支阻滞
D.
X线示肺门血管增粗，肺野充血
E.
反复患呼吸道感染
参考解析：
题目纠错 0
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