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 （）.

汉语中的宾语只能是受事宾语。

双宾语句是人类语言中普遍存在的一种句式，请回答什么是双宾语句？并以汉语和英语双宾语句为例说明构成双宾语句的最重要的条件是什么？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

（）“得”后成分是宾语。

（）“得”后成分是补语。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

汉语中的宾语只能是受事宾语。