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（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

从市场营销学的角度，旅游市场是指某种旅游产品的（）

从市场营销学角度看，旅游市场则是指旅游产品的()。

旅游市场营销与一般市场营销有什么区别？

旅游企业在其市场营销活动中不通过任何一个旅游中间商而直接把旅游产品销售给旅游消费者的营销渠道是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。