当工程网络计划的计算工期小于计划工期时，则（）。

当工程网络计划的计算工期小于计划工期时，则（ 　）。

当工程网络计划的计划工期等于计算工期时，关于工程网络计划关键线路的说法，正确的有（）。

当工程网络计划的计算工期不等于计划工期时，正确的结论是（）。

当工程网络计划的计算工期不等于计划工期时，正确的结论是( )。

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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。