鼻咽癌颅内转移的最常见途径是
A．圆孔B．棘孔C．破裂孔D．颈动脉孔E．眶下裂
参考答案：C
12. -- Why didn’t you come to see the film with your parents last weekend?
-- I _____ my lessons for the month- exam.
A．was preparing
B．prepare
C．prepared
D．have prepared
公民的经营常居住地与住所不一致时，经常居住地视为住所。（）
