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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

频带传输有哪三种调制方式（）。

Flash中有哪三种类型的文本？（）

（）洪教主给总督带了以下哪三样东西？

（）奥黛丽·赫本多年来养成的习惯是早上吃哪三样东西？

（）众人来到刘府，马上有家丁送上哪三样东西？

（）韦小宝将以下哪三样东西放在瑞栋怀里进行栽赃？

（）韦小宝找高彦超要哪三样东西？