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 （）.

按照政治学的研究特点功能来划分，政治学可以被划分为（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

国家不是按（）划分的。

分立式试题和综合性试题是从（）角度划分的。

主观性试题、客观性试题是从（）的角度划分出来的。

●设AND、OR和NOT分别表示按位与、按位或和按位求反运算，且X=10011011，Y=01111010，Z=11101000，则(NOT(X) AND Y)= (9) ， (Y OR NOT(Z))= (10) 。10011011011110101110100001100000(10)

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。