喹诺酮抑制细菌的:()。
A.蛋白质合成
B.D.NA.合成
C.RNA.合成
D.四氢叶酸合成
参考答案:B
患者中年男性,消瘦,腹泻,乙肝病史30余年,AFP正常。
超声所见肝脏外形大小尚正常,肝被膜增厚欠光滑,肝实质回声呈增粗增强欠均匀,最可能的诊断是().
A.非均匀性脂肪肝
B.肝硬化
C.急性肝坏死
D.肝包虫病
E.肝癌
In his effort to prevent his company from _____, he worked to his limit, thus _____. [ ]
A. breaking down; breaking down his health
B. closing down; broke down his health
C. closing down; his health broke down
D. breaking down; his health breaking down