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系统实施包括设备安装、软件开发、人员培训和【13】的准备。

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在系统设计阶段考虑一套保证软件和数据安全可靠运行的措施是十分必要的【12】，是指防止对系统信息的篡改、越权获取和蓄意破坏等犯罪行为，以及对自然灾害的防护

用高级语言编写的程序称之为【1】。

In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the correct answer to each question on your answer sheet. Questions 6 and 7 are based on the following news item. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news.

A. Most of the thirty-thousand people were______ about Mr. Sarkozy’s victory. A nervous B. worried C. optimistic D. pessimistic

OMT方法是支持软件系统整个生命周期的开发，由分析、【20】和对象设计三个阶段组成。