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 （）.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

Banks have no liability for any delay or loss caused by postal or telex failure.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

社会的发展进步离不开道德规范的约束和道义力量的维护。在我国，切实加强思想道德建设，培育文明道德风尚，提高社会文明程度是（）。 ①社会主义精神文明建设的重要任务 ②文化建设的灵魂和中心环节 ③落实科学发展观、构建社会主义和谐社会的必然要求 ④满足人们文化生活需要的根本途径

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

中共十二届六中全会提出的我国社会主义精神文明建设的根本任务是什么？