Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, 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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

人触电后不需要别人帮助，能自主摆脱电源的最大电流是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

帮助国民摆脱生存危机是社会保障的（）

当一国之内的政治合法性在全体国民的认同中出现危机时，（）是避免国家分裂的重要的文化和心理保障。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。