下列分析方法中，属于风险估计与评价的常用方法有(  )。（2011年试题）

网络图法在建设工程管理中常常作为(  )的方法。（2010年试题）

网络营销的常用方法有（）

战斗展开可分为预先展开、全面展开等二种形式。

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。

分析大学生社会直接成本有多种计量方法，比较常用的有匡算法和（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。