声导抗主要检测哪个部位的病变:()
A.外耳道
B.鼓膜
C.鼓室
D.耳蜗
E.耳郭
参考答案:C
Can you tell me ____? [ ]
A. what life will be like in the future
B. what will life be like in the future
C. how life will be like in the future
D. how will life be like in the future
标准断面桥枕因腐朽挖补,削平和挖槽()深度超过80mm的称为失效桥枕。
A、累计
B、平均
C、最大
D、最小