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。

某食品厂选择尽可能多的超市销售其产品，这种策略称为（）。

假如某因素与某病关系的病例对照研究结果的OR值为0.3（P＜0.01），最可能的解释是（）。

关系模式：产品销售情况表（产品号，销售地点，销售时间，销售数量），一个产品号描述一种产品，若允许一种产品在不同地点同时销售多次，同一种产品可在多个地点销售，在同一时间同一地点只能销售一种产品，则此系模式的主码是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。