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。

教师采用摸底考试了解学生已有的知识与能力的做法属于（ ）。

企业招聘员工经常运用知识考试，以下属于知识考试优点的是（）

教师采用期末考试了解学生的知识与能力的做法属于（ ）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。