世界传统的旅游产品包括观光旅游及其升级产品、文化旅游、商务旅游、度假旅游四类。

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。

文化旅游产业带旨在将（）建成冀中南中心旅游城市和辐射河北省的旅游集散地

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

组织文化的功能有：导向功能、约束功能、凝聚功能、（）、辐射功能、调试功能。