《工作简报》一般属于哪一类简报？（）

路政工作简报有何作用？

OR指令的作用是: 。( )

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

简报按内容划分，可分为工作简报、会议简报和（）。

工作简报、动态简报都属于长期性简报，而会议简报属临时性简报。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。