患者体内由于抗原抗体反应导致血管内溶血，主要是由于（） A.巨噬细胞的作用 B.Ca

以下哪项不属于肺的宣发功能( )

A．排出体内浊气
B．宣散卫气
C．将津液输布全身，外达皮毛
D．将代谢后的津液化为汗液排出体外
E．使全身的血液汇集于肺

钢丝绳作为索具时有什么优点？

What is a GMDSS functional or carriage requirement for compulsory vessels?（）

A.A compulsory vessel must carry at least two (2) licensed GMDSS operators

B.A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails

C.A compulsory vessel must be able to transmit and respond to distress alerts

D.All of the above

船舶的舱口尺度对装卸效率影响很大，一般舱口愈大，船舶的装卸效率愈高。