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.

从学科发展渊源来说，大学教学论是教学论在高等教育领域的延伸和拓展，是教学论学科新近开辟的研究领域。

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。

教育技术活动是指运用教育技术的教学活动、研究活动和推广普及活动。教学活动包括运用教育技术的课堂教学活动；研究活动分为理论研究、实验研究、综合研究（如教学模式研究、教育教学效果研究等）及专题研究（如教育技术的软件开发和应用研究、教学方法研究等），推广普及活动包括教育技术的宣传、交流、培训、评先、评优活动。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。