绒毛心可见于

A. 曾有大出血史，有腹水，但经治疗后腹水在短期内无消退者
B. 无腹水，血清胆红素17μmol/L以下，胃底曲张静脉破裂大出血
C. 脾肿大，脾功能亢进而无食管静脉曲张者
D. 有食管静脉曲张，但无出血史者

A. 手术切除病灶
B. 化疗
C. 肝动脉栓塞
D. 肝动脉结扎

A. 正确
B. 错误

A. Employees will keep Up with security polices and awareness if they are highly-trained.
B. The rate of security attacks appears faster than the growth of the Internet.
C. One's computer system will never be secure.
D. Vulnerabilities can go through phones, wireless devices, and network appliances.