单项选择题


A．into
B．to
C．about
D．as
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单项选择题
According to the passage, electric response audiometry can be used ______.
A．whether a person is awake or asleep
B．only if a person is relaxed
C．particularly if a person hears a loud noise
D．particularly when a person is dreaming
单项选择题
The paragraph following this one would most likely deal with ______.
A．why some people can hear better than others
B．what can be done to help the hearing impaired
C．how this new auditory test is conducted
D．which hearing problems are the most severe
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