马克思主义是严密而完整的科学体系。下列各项属于马克思主义科学体系的主要组成部分的有（）。

作为一个完整的科学体系，马克思主义理论体系的三个主要组成部分是（）。

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。

作为一个完整的科学体系，马克思主义理论体系的三个主要组成部分是( )。A．马克思主义政治学B．马

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。