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 （）.

下列产生于20世纪、对人类历史产生重大影响的科技成就有()。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

试述李公麟的绘画艺术成就及其在宋代绘画发展中的历史地位.

试述个我取向成就动机与社会取向成就动机区别。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。