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参考解析：
刷刷题刷刷变学霸
举一反三
【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】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