原发性肝癌进行肝动脉栓塞治疗时常用的栓塞剂是（）。
A.碘化油化疗药物乳剂
B.PVA
C.无水乙醇
D.明胶海绵
E.金属弹簧圈
参考答案：A
The Japanese guests suggested ____ their country.
A．our visiting
B．to us a visit to
C．we pay a visit to
D．all the above
信用卡伪卡
