（）, 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 （）.

属于无机无毒物的有（）。

列各项中，属于版式设计要素的有（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

输送非可燃流体介质、无毒流体介质，设计压力<10.0MPa，并且设计温度≥400℃的工业管道属于（）级工业管道。

在下列有关高层建筑设计的选项中，选择正确的答案。属于一类高层建筑的有（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。