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[单选] 正常人,声波传向内耳的主要途径是( )
A
外耳道→鼓膜→鼓室气体→蜗窗→内耳
B
外耳道→鼓膜→听鼓链→前庭窗→内耳
C
外耳道→鼓膜→听鼓链→蜗窗→内耳
D
声波→颅骨→内耳
E
外耳道→鼓室气体→前庭窗→内耳
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