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 （）.

AutoCAD菜单文件acad.mnu中的菜单节标题***pop6和***image分别对应的两种菜单是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

西安邮电大学学报《西安邮电大学学报》在（）2013、2014年度连续2年入选。

西安邮电大学计算机学院2015专任教师总数为多少人？（）

西安邮电大学计算机学院2015在校学生多少余人？（）

●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。