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【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.
the human voices in commercials have more auditory impact
B.
people like cheerful songs that change dramatically in sound quality
C.
high-frequency sounds are used to mask sounds that drown out the primary message
D.
they possess sound qualities that make the viewer feel that something unusual is happening
【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
相关题目：
【单选题】下面的辅音声母中，属于舌面前音的是（）
A.
z、c、s
B.
zh、ch、sh
C.
j、q、x
D.
d、t、
【单选题】下列辅音中，既能作声母又能作韵尾的是（ ）。
A.
n
B.
l
C.
r
D.
nɡ
【多选题】零声母的音节是（ ）。
A.
an
B.
wen
C.
lian
D.
Ya Ya 】
【单选题】下列辅音中，既能做声母又能做韵尾的是（）。
A.
n
B.
l
C.
r
D.
nɡ
【单选题】辅音有多少个。
A.
26
B.
27.
C.
28
D.
29
【判断题】所有鼻音都是浊辅音。()
A.
正确
B.
错误
【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.
the human voices in commercials have more auditory impact
B.
people like cheerful songs that change dramatically in sound quality
C.
high-frequency sounds are used to mask sounds that drown out the primary message
D.
they possess sound qualities that make the viewer feel that something unusual is happening
【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】辅音nɡ是( )。
A.
舌根浊鼻音
B.
舌尖中浊鼻音
C.
双唇浊鼻音
D.
舌尖中浊边音
【单选题】下列哪一项都是中辅音 （ ）
A.
ก จ อ
B.
ค ณ ร
C.
ศ ษ ห
D.
ฬ ฝ ด
【单选题】下列辅音中,均为低辅音的是?
A.
ก ฉ ต อ
B.
ค น จ ด
C.
ร ล น ง
D.
ช ฮ ต ป
【单选题】下列辅音中,属于擦音的是:
A.
p
B.
g
C.
s
D.
j
【多选题】辅音声母m属于（）。
A.
双唇音
B.
浊音
C.
鼻音
D.
不送气音
【判断题】声母是由辅音充当的，所有的辅音都作声母。()
A.
正确
B.
错误
【单选题】辅音多少个
A.
20个
B.
48个
C.
28个
【单选题】普通话声母共有（）。
A.
20个
B.
21个
C.
22个
D.
23个
【单选题】下列汉字声母或韵母有不一样的组是( )
A.
争，挣，睁，峥
B.
菜，踩，彩，睬
C.
领，零，岭，拎
D.
文，纹，蚊，汶