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 （）.

（）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。

1930年8月，中国工农红军第一军团和第三军团在浏阳永和合编，组成什么方面军？

1930年，中国与美商合资组建（）航空公司，1931年中国与（）航空公司组建了欧亚航空公司。

中国近代史上由国家制定的教育文件是(    )于1904年颁布的《奏定学堂章程》。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。