临床某患者因面部肿瘤行手术治疗,术中打开面侧深区,可以看见从翼外肌两头之间穿出的神经为
A.咬肌神经
B.翼内肌神经
C.下牙槽神经
D.颊神经
E.耳颞神经
参考答案:D
---Did you go to school yesterday?
--- Yes, I did. But I was late. When I got to school, Mr. Zhang __________his lessons.
A.has already begun
B.had already begun
C.has begun yet
D.had begun yet
問題Ⅱ 絵などはありません