题目内容

声音由外耳传向内耳的最佳通路是：

A. 颅骨—骨迷路—内淋巴
B. 鼓膜—鼓室—圆窗
C. 鼓膜—听骨链—卵圆窗
D. 咽鼓管—鼓室—卵圆窗

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A. 高频听力
B. 低频听力
C. 中频听力
D. 中、低频听力

A. They mean that Bradley can finish his speech successfully.
B. They mean that Bradley can't finish his speech but he would be fine.