下列哪项是通过骨传导来感知声音 [ ]
A.将双耳塞住,拍手
B.将振动的音叉放在耳朵附近,听音叉的声音
C.将双耳塞住,用手指敲击牙齿
D.将双耳塞住,听音叉的声音
答案:C
--Why not go to see the dolphin show with me? --Because I ________it.
A. saw B. will see C. see D, have seen
急性皮炎、糜烂结痂时宜选用的外用药是()
A.振荡剂
B.粉剂
C.软膏
D.糊剂