软件测试是软件开发过程的重要阶段，是软件质量保证的重要手段。下列( )是软件测试的任务。Ⅰ．预防软件发生错误Ⅱ．发现改正程序错误Ⅲ．提供诊断错误信息

软件测试是软件质量保证的主要手段之一，测试的目标是（）。

软件测试是软件质量保证的重要手段，下述哪种测试是软件测试的最基础环节？（）

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。

软件文档是软件工程实施中的重要部分，它不仅是软件开发各阶段的重要依据，而且影响软件的______。

软件文档是软件工程实施中的重要成分,它不仅是软件开发各阶段的重要依据,而且也影响软件的

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。