声音传入内耳的主要途径是

A．外耳→鼓膜→听骨链→圆窗→内耳
B．外耳→鼓膜→圆窗→听骨链→内耳
C．外耳→鼓膜→听骨链→卵圆窗→内耳
D．外耳→鼓膜→鼓室空气→圆窗→内耳
E．颅骨→耳蜗内淋巴

You should have a ________ lifestyle, or you can’t keep in good ________.

A．health, health

B．health, healthy

C．healthy, health

D．healthy, healthy