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。

下列项目中，不能用于分派股利的是（）

下列项目不能用于分派股利（）

下列哪个项目不能用于分派股利（ ）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

下列各项中，不能用于分配股利的项目是（）

下列项目不能用于股利分配是的（）