（）, 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（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

关于冲突规范在国际私法中的地位与作用，下列表述不正确的是（）

在下列冲突规范的选项中，属于双边冲突规范的是（）

在下列冲突规范中，不属于双边冲突规范的是()。

单边冲突规范与双边冲突规范的异同在于（）

国际私法的冲突规范是一种特殊的法律规范，下列能够正确表述其特点的是哪些选项?()

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。