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 （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

被称为“天下第二泉”的是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

二胡是我国流行最广的一种拉弦乐器，它是在（）乐器的基础上逐渐发展而来的。《二泉映月》是华彦钧的作品，这首乐曲原无名字，是音乐史学家（）为其命名的。《二泉映月》是一变奏体的乐曲，但主题却有三个乐句10个小节组成，其结构是：（）。《三门峡畅想曲》是（）先生创作于（）年。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。