颅骨骨折时出现“熊猫眼”征，主要见于（）
A.前颅窝骨折
B.中颅窝骨折
C.后颅窝骨折
D.凹陷性骨折
E.线形骨折
参考答案：A
— Could you tell me _____?
— Sure, eleven o'clock. [ ]
A. where will you go on vacation
B. when does she go to school
C. when the next bus will arrive
D. where you were born
BGP GR中，BGP Peer通过以下哪个报文协商是否具备GR能力（）。
A.Keeplive
B.Update
C.Open
D.Notification
