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搜题
【单选题】
某一溃疡病并发幽门梗阻患者，因反复呕吐入院，其血气分析结构如下：pH为7．49，PaCO2为5．35kPa(40mmHg)，NaHCO3浓度为36mmol／L，可初步诊断为A.
呼吸性酸中毒
B.
代谢性酸中毒
C.
呼吸性碱中毒
D.
混合性碱中毒
E.
代谢性碱中毒
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皮皮学刷刷变学霸
举一反三
【单选题】Teaching is supposed to be a professional activity requiring long and complicated training as well as official certification. The act of teaching is looked upon as a flow of knowledge from a higher so...
A.
The author believes that it is not difficult to be a good teacher.
B.
The author believes that every person has the potential to be a teacher.
C.
The author believes that teaching is a professional activity requiring special training.
D.
The author believes that teaching is the flow of knowledge from a higher source to an empty container.
【判断题】There is a 200 - square - meter training room in the fitness center on board.
A.
正确
B.
错误
【简答题】淡水生物有哪些生态类群?各有何特点?
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