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。

1935年唐兰先生在《古文字学导论》中批判了六书说，提出了三书说，把汉字分成象形文字、（）文字、（）文字三类。

2013年，随着《中国汉字听写大会》、《汉字英雄》等节目的热播，社会上出现了“汉字热”，汉字这一优美的文字，经历了甲骨文到金文，再到大篆、六国古文，进而到小篆、再到隶书，进而到楷书、草书、行书的演变过程。其中，( )是古文字和现代文字的分水岭。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。