旅游学概论是一门（）。

翻译：With Average or With Particular Average（WA or WPA）（）

旅游最本质的属性是（）。

口服补液及时纠正脱水，应用ORS，说法正确的是（）

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.

李平的父母当年在郑州邂逅，25年后，他们重到郑州，这是（）旅游动机。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

下列构建指标体系所考虑的属性中，不属于旅游环境影响评价体系的是()。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。