4. 聲波傳導(dǎo)形成聽(tīng)覺(jué)需經(jīng)過(guò)(
B
)
①聽(tīng)小骨 ②鼓膜 ③耳蝸內(nèi)的聽(tīng)覺(jué)感受器 ④外耳道 ⑤大腦皮層聽(tīng)覺(jué)中樞
A.聲波$\to$①$\to$②$\to$③$\to$④$\to$⑤
B.聲波$\to$④$\to$②$\to$①$\to$③$\to$⑤
C.聲波$\to$④$\to$①$\to$②$\to$③$\to$⑤
D.聲波$\to$④$\to$③$\to$①$\to$②$\to$⑤
