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。

以下哪些情况会造成提示“Incorrect number or IP address”？（）

中国共产党安徽省第十次代表大会报告上提到，安徽省开工建设保障性安居工程215万套，居全国第（）位。

2016年10月30日上午9点，安徽省瞩目的中国共产党安徽省第（）次代表大会在安徽大剧院隆重开幕。

在没有专业工具情况下，可以用（）清洁光纤端面。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

安徽菜发源于安徽的（）。