急性肝衰竭的支持疗法包括()
A.输新鲜血,血浆,白蛋白等
B.使用广谱抗生素
C.血液净化疗法
D.每日输氨基酸
E.纠正酸碱平衡
参考答案:A, D, E
加热过氧化氢(双氧水)制氧气,不加二氧化锰作催化剂,其结果是[ ]
A.不放出氧气
B.放出氧气速度减慢
C.放出氧气的质量减少
D.放出氧气的质量增多
— Excise me, but I haven't got the iPhone 4 ordered through the Internet.
— Sorry, madam, I'm sure you ____ have it by this Friday.[ ]
A. must
B. may
C. could
D. shall