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问题 单项选择题

胃切除术后病人取半坐卧位的目的是（）

A.减少局部出血

B.减轻伤口缝合处张力

C.使静脉回流血量减少

D.防止腹膜粘连

E.减轻肺部瘀血

答案

参考答案：C

单项选择题

In duty calculation, in case the CIF price of imports is in terms of foreign currency, it shall be converted into ______.

A．another foreign currency quoted
B．RMB at buying price quoted
C．RMB at selling price quoted
D．RMB at the middle price between the buying and selling prices quoted
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单项选择题

终端厂应急关断系统的PLC控制器和所有I/O卡全部采用（）设计

A、热备冗余

B、非冗余

C、50%备用

D、冷备用
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