在Visual FoxPro中，表达式〞BCD〞＄〞ABCD〞AND〞E〞>〞D〞OR NOT.T.的计算结果是（）。

BIOS基本输入／输出系统保存着计算机最重要的基本输入输出的程序、系统设置信息、开机上电自检程序和系统启动自举程序以及汉字字库等。

在计算机的安全问题中，保密是指（）

已知X=21，Y=15，Z=22，计算表达式（（X>Y）or（Y>Z））and（（X<><>

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

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。

计算机的关机顺序与开机顺序相同。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。