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【单选题】
下列对于ARDS的描述哪一项是错误的
A.
常发生在休克初期复苏后
B.
早期表现为突发性进行性呼吸困难
C.
血液气体分析有进行性PaO2下降
D.
最主要的机制是肺泡血管膜损伤
E.
及时持续高浓度给氧可获得良好疗效
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参考答案:
举一反三
【多选题】以下选项中属于上层建筑的是
A.
宗教、哲学等思想观点
B.
语言
C.
道德、艺术
D.
法庭、监狱
【单选题】A solution of silver nitrate is mixed with a solution of potassium fluoride. If a precipitate forms, the precipitate is:
A.
Silver fluoride
B.
Potassium nitrate
C.
Potassium fluorate
D.
Nitric fluoride
E.
No precipitate is formed
【简答题】If the accurate solution is prepared, weighing a precise amount of dry material or measuring a precise amount of liquid by an balance and a .
【多选题】以下选项中属于上层建筑的是:
A.
宗教、哲学
B.
语言
C.
道德、艺术
D.
法庭、监狱
【单选题】If the pH of a solution is 5.5, what is the pOH?
A.
8.5
B.
–5.5
C.
–8.5
D.
14
E.
6.5
【单选题】In order to solve a computational problem, its solution must be specified in terms of a sequence of computational steps, each of which may be performed by a human or a digital computer . If you want t...
A.
calculate
B.
program
C.
add
D.
subtract
【判断题】马克思恩格斯从来都坚持认为,无产阶级的历史地位和阶级性决定了它只能通过暴力革命来推翻资本主义统治。
A.
正确
B.
错误
【判断题】If is a solution of the th-order ordinary differential equation , then it's a general solution, where are arbitrary constants
A.
正确
B.
错误
【简答题】In order to solve a computational problem, its solution must be specified in terms of a sequence of computational steps, each of which may be performed by a human or a digital computer . If you want t...
【判断题】If X0 is the unique optimum solution of a LP problem, then it must be a basic feasible solution.
A.
正确
B.
错误
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