在下鼻道外侧壁后部，近鼻咽处有表浅扩张的鼻后侧静脉丛，称（）。
参考答案：吴氏鼻一鼻咽静脉丛
单项选择。
— What are you doing there?
— I'm ______ my English book, but I can't ______ it anywhere. [ ]
A. finding, look for
B. looking for, find
C. finding, look up
D. looking up, find
文书写作中，适用第三人称的文种有______
A．通报
B．会议纪要
C．会议记录
D．合同
