档案著录信息来源于（）档案。
参考答案：被著录
— What field will your son go into after graduation from Nanjing University?
— I'm not quite certain, but he ________ a good teacher of English. [ ]
A. promises
B. becomes
C. makes
D. proves
右侧下，颈椎间盘突出最常侵及的神经根是
A．C5
B．C6
C．C7
D．C8
E．T1
