26 對於幼兒進行 VRA,想要得到左、右耳各自的聽力閾值,最好使用:
(A)insert earphones
(B)supra-aural earphones
(C)sound field speaker
(D)bone vibrator

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統計: A(35), B(3), C(0), D(0), E(0) #1176824