Acrobat6.0可以将PDF文件另存为多种格式的文件，但不能存储为下列哪种格式的文件？（）

Acrobat5.0C可以将PDF文件存储为多种格式的文件，但不能存储为下列哪种格式的文件？（）

Acrobat5.0C可以将PDF文件存储为多种格式的文件，但不能存储为下列哪种格式的文件？（）

可以在（）阶段采用Make-or-buy决策分析。

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。

下列图像文件格式中，可以存储通道信息的图像格式是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。