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【单选题】
ICU白天噪音最好是低于( )分贝
A.
25
B.
35
C.
45
D.
55
题目标签：分贝
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【多选题】（ 听力SectionC ）The people who lived in Rome two thousand years ago were already complaining about the noise in their city. They couldn’t sleep, they said, with all that traffic in the streets. For them...
A.
merely
B.
average
C.
worsening
D.
the degree of loudness
E.
we are exposed
【单选题】Do you know the difference between "sound" and "noise" "Noise" is an unwanted sound, such as (67) produced by airplanes, traffic, or industrial machinery... You may probably (68) people saying, "Ther...
A.
essentially
B.
particularly
C.
obviously
D.
similarly
【单选题】The decibel(分贝)is one tenth of a bel, ______ named after Alexander Graham Bell.
A.
a unit
B.
is a unit
C.
a unit is
D.
a unit being
【单选题】Noise Pollution Psychologists now believe that noise has a considerable effect on people’s attitudes and behavior. Experiments have proved that in noisy situations (even temporary ones), people would ...
A.
can not complete his work in a noisy situation
B.
will suffer from complete deafness because of noise pollution
C.
can be psychologically affected by working in very noisy factories
D.
may cooperate well in a noisy surrounding
相关题目：
【多选题】（ 听力SectionC ）The people who lived in Rome two thousand years ago were already complaining about the noise in their city. They couldn’t sleep, they said, with all that traffic in the streets. For them...
A.
merely
B.
average
C.
worsening
D.
the degree of loudness
E.
we are exposed
【单选题】Do you know the difference between "sound" and "noise" "Noise" is an unwanted sound, such as (67) produced by airplanes, traffic, or industrial machinery... You may probably (68) people saying, "Ther...
A.
essentially
B.
particularly
C.
obviously
D.
similarly
【单选题】The decibel(分贝)is one tenth of a bel, ______ named after Alexander Graham Bell.
A.
a unit
B.
is a unit
C.
a unit is
D.
a unit being
【单选题】Noise Pollution Psychologists now believe that noise has a considerable effect on people’s attitudes and behavior. Experiments have proved that in noisy situations (even temporary ones), people would ...
A.
can not complete his work in a noisy situation
B.
will suffer from complete deafness because of noise pollution
C.
can be psychologically affected by working in very noisy factories
D.
may cooperate well in a noisy surrounding
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