脑膜中动脉，通过下列何孔入颅内()
A．卵圆孔
B．破裂孔
C．棘孔
D．视神经孔
E．颈静脉孔
参考答案：C
Explain the meaning and role of the following organisations:
(a) UNCITRAL; (5 marks)
肺内压在下列哪一时相内等于大气压
A．吸气中和呼气中B．吸气中和呼气末C．吸气末和呼气中D．吸气末和呼气末
