升水表示远期汇率比即期汇率高，贴水表示远期汇率比即期汇率低。

升水是指远期汇率低于即期汇率，贴水是指远期汇率高于即期汇率。

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 （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

根据利率平价原理，两种货币远期汇率相对于即期汇率的升贴水率，如果以年率来表示，大约等于金融市场上这两种货币的（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。