关于声孔对耳模声学特性的影响,以下说法正确的是
A、大声孔有利于放大中、低、高频的声音E
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Her mind had been __________ into such a condition as she could not very likely have imagined possible a few months since.
I do not mean to insult the reader by pretending that I killed, for instance, a regiment of cavalry or swallowed a battery of guns, —such _______ tales would disgrace both the hearer and the teller.
We are waiting ______ your reply ______ our letter.
_______ at all is worth doing well.
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