室内接地铜排应采用（）的铜排.
A.80mm×8mm
B.90mm×9mm
C.100mm×10mm
D.110mm×11mm
参考答案：C
— _____?
— It's 880-9750. [ ]
A. What's your name?
B. What's your phone number?
C. Is this your phone number?
单纯性眶底骨折大多发生在（）
A.眶底正中
B.眶底下缘内侧
C.眶底下缘外侧
D.眶底后内侧
E.眶底内侧
