“人生自古谁无死，留取丹心照汗青。”这一名句出自爱国诗人文天祥的《过零丁洋》。
参考答案：对
下列哪种物质可用作经导管血管栓塞剂（）。
A.生理盐水
B.无水乙醇
C.动物血液
D.植物油
E.碘海醇
In order to solve the problem as soon as possible, they had a __________ discussion.
A．face-to-face
B．face to face
C．faces-to-faces
D．faces to faces
