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.

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。

公文的文面一般可以分为眉首、主体、版记三部分，下列属于公文主体部分的是（ ）。

《国家行政机关公文格式》将公文各要素划分为（）三个部分

公文写作的“硬件”主要是指公文的格式和（）。

在以下公文构成要素中，不属于主体部分的是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。