幽门梗阻的患者，因长期呕吐常易发生 ( )A．低钾低氯性碱

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问题单项选择题

幽门梗阻的患者，因长期呕吐常易发生 ( )

A．低钾低氯性碱中毒

B．低钾高氯性碱中毒

C．高钾高氯性碱中毒

D．高钾低氯性碱中毒

E．高钾高氯性酸中毒

答案

参考答案：A

单项选择题

A: I'm not at all satisfied with the serviceB: ______

A．Nobody has complained like that before.

B．I sincerely apologize for that.

C．I wonder why you are dissatisfied with it.

D．It's not our fault as there are too many customers.

单项选择题

490型柴油机气缸直径为（）毫米。

A、40

B、90

C、490

D、49