（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

隔离的种类有( )、( )、( )、( )、( )和血液/体液隔离。

进行血液、体液隔离的疾病是（　　）。

穿脱隔离衣的目的是保护（）避免受到血液、体液和其他感染性物质污染，防止病原体的传播。

请简述血液-体液隔离适用范围。

严密隔离、呼吸道隔离、抗酸杆菌隔离、接触隔离、肠道隔离、引流-分泌物隔离、血液-体液隔离归类为（　　）。

以下为血液或体液隔离的隔离措施，其中正确的是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。