(2014·山东实验中学一模)With his attention________on his mobile phone，he didn’t notice his headteacher’s appearance.

A．fixed　

B．having fixed

C．fixing

D．to fix

子宫动脉在距子宫颈外侧2cm处位于

A．输尿管的后下方

B．输尿管的前上方

C．输尿管的内侧

D．输尿管的外侧

E．输尿管的前下方