（）, 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 （）.

（）是我国现阶段发展战略的重点。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在我国师范教育发展史上，高级中学可以设师范科是在（）。

中等职业学校教育是现阶段我国职业教育的（）和重点。

为什么说中等职业学校教育是我国职业教育发展的重点？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。