皮皮学，免费搜题
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【单选题】
患者，男，30岁，近4年来经常间发四肢关节疼痛，近来感乏力、纳差、心悸、气促，肝在肋下2．5cm触及，轻触痛。查血红蛋白97g/L，尿蛋白+，双下肢轻度浮肿。其原因最可能为A.
肝硬化
B.
急性肾炎
C.
营养不良
D.
风心病二尖瓣狭窄致右心衰竭
E.
主动脉瓣狭窄致
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皮皮学刷刷变学霸
举一反三
【单选题】UMS are mainly unattended overnight and during this time the ________ should have control of the main engine.
A.
chief engineer
B.
engineer on cabin watch
C.
bridge officer on watch
D.
master
【简答题】一个理想光学系统的三种放大率(垂轴放大率β、轴向放大率α与角放大率γ)三者之间的关系为 ( ) 。
【单选题】UMS are mainly unattended overnight and during this time ____ should have control of the main engine
A.
the chief engineer
B.
the engineer on cabin watch
C.
the bridge officer on watch
D.
the master
【单选题】UMS are mainly unattended overnight and during this time main engine should have control of the ________
A.
the chief engineer
B.
the engineer on cabin watch
C.
the bridge officer on watch
D.
the master
【简答题】按磁路的结构形式不同，点火线圈可分为开磁路点火线圈和闭磁路点火线圈两种。目前在独立电子点火系统中应用最广泛的是（）。
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