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Windows98中，若鼠标指针已定位在某对象上，这时要弹出某对象的快捷菜单，只需用鼠标行（）操作。

在Windows中移动窗口时，鼠标指针要停留在（）处拖动。

在Windows中，若将鼠标指针移到一个窗口的边缘时，便会变为一个双向箭头，表明（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。