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。

下列哪些机构对全国社会保障基金的收支、管理和投资运营情况实施监督（）

全国社会保障基金应当按月向社会公布收支、管理和投资运营的情况。

全国社会保障基金应当定期向社会公布收支、管理和投资运营的情况。

（）对全国社会保障基金的收支、管理和投资运营情况实施监督。

根据《社会保险法》规定，社会保险经办机构应当定期向社会保险监督委员会汇报社会保险基金的收支、管理和投资运营情况。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。