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【单选题】

小学儿童纯音听觉的敏感试( )成人

A.
不如
B.
接近
C.
已达
D.
超过
举报
题目标签:纯音听觉
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】人的听觉产生于()

A.
听觉感受器
B.
耳蜗
C.
鼓膜
D.
大脑听觉中枢

【单选题】听觉语音加强见于 ( )

A.
肺实变
B.
胸膜增厚
C.
肺气肿
D.
阻塞性肺不张
E.
以上都是

【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

【多选题】以下是纯音的是()。

A.
人的说话声
B.
录音师使用的调音台上的纯音发生器发出的声音
C.
频谱只有单一一条谱线的声音
D.
汽车的引擎声
E.
舞台上乐手使用唯一一种乐器发出的声音