（）, 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。

采用电子头脑风暴法，所有成员可同时产生想法，在交流中具有平等性，这体现了电子头脑风暴法（）的优点。

利用电子头脑风暴法，即使参与者不在同一个地方也能够相互交流，这体现了电子头脑风暴法（）的优点。

如果小型团队利用电子头脑风暴法开会，收效不一定高。这体现了电子头脑风暴法的（）的缺点。

电子头脑风暴法利用计算机让大家进行思想交流，不属于电子头脑风暴法的优点的是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。