我国当代文学准确地说是从1949年10月1日开始的。

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。

艺术起源说有模仿发生说、游戏发生说、表现发生说、巫术发生说、认为艺术起源于（）。

迄今为止，关于艺术起源的主要理论学说有摹仿说、游戏说、巫术说、表现说、劳动说。依次列举出每种学说的理论代表人物各一（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。