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。

在劳动关系问题的调查中，使用的问卷大体有两种类型：自填问卷与（）。

英国比较教育学家汉斯在英王学院任职期间撰写的代表作为（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

学校实行校长负责制。校长应当符合国家规定的任职条件。校长由县级人民政府教育行政部门依法（　）。