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.

管理人员的内部提升机制具有一定的优势，比如（）。

从内部提升管理人员的缺点有（）。

内部提升管理人员有哪些优缺点？

内部提升有哪些缺点？

简述内部提升的缺点

简述内部提升的优点

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

简述客观性试题的优缺点。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。