为了防止氧中毒或“氧烧伤”,输氧时间不宜超过()
A.12h
B.3h
C.5h
D.7h
E.9h
参考答案:A
最可能的诊断为
A.羊水栓塞
B.子痫
C.休克
D.心力衰竭
E.重症肺炎
— My dog's really fat.
— You ________ have given her so much food. [ ]
A. wouldn't
B. can't
C. shouldn't
D. mustn't