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 （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

货币作为价值贮藏形式的最大优势在于它的收益性。

私人化的批评最大的价值在于它的（）。

冷冻贮藏和冷藏最大区别在于贮藏温度的不同。冷藏是0℃以下低温贮藏，冷冻贮藏是0℃度以上低温贮藏。

货币的职能包括价值尺度、流通手段、贮藏手段、支付手段和世界货币，其中两个最基本职能是价值尺度和贮藏手段。

货币作为价值贮藏形式的最大优势在于它的收益性。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。