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在线英语自学系统—课程及自测管理的设计

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摘  要
  高新科技和计算机的飞速发展,给人们带来了更多的便利。电脑普及时代即将到来,网络技术也在逐渐完善,人们的生活已经开始发生重要的变革。信息时代对人才素质的结构提出了更新,更高的要求,开展网络教学已成为学校教育面临信息时代的必然选择。
  在线英语自学系统将英语学习和网络联系在一起,具备课程学习和自测两个大的功能。课程学习主要是学习课文,词汇;自测主要对单选题和阅读题进行针对性的练习。通过在线英语自学系统的建设,为学生和学校建立了B/S结构的网络教学体系。
  本文共分5章,主要介绍了系统的背景和意义、所用的理论基础、系统需求分析、系统设计流程、系统测试。
  
  关键词:自学自检;网络教学;英语学习;模拟考试

English Online Self-learning System--the Design of Course and Self-test Management
Abstract
  There is more convenience for human beings because advanced technology and computer science are developing very quickly. Computers are commonplace in the age which is at hand, not only network technology is tending toward perfection but also people's life have a great change. Information time has put forward a higher and newer requirement, so carrying out network teaching is an inevitable choice of school education to face information time.
  English self-taught system on line is directed against these problems to make two great functions including course studying and management of automatic testing. Course studying is mainly to make students study text and lexicon conveniently and management of automatic testing can give a pointed exercise to individual and reading. Students and schools are established the network teaching system of B/S.
  This thesis has five chapters including the background and meaning of this system, the basis of theory, design process and analysis needed of the system, system testing.

Key Words: Self-study and Self-test; Network teaching; English learning; Analog examination


该系统主要完成用户方面的功能,根据用户的需求可以分为:身份验证,课程自学和在线自测3个功能模块。
  身份验证模块:当用户登录系统后,要求身份验证,系统会根据在数据库中有无此人和密码是否正确分别给予错误提示。
  课程自学模块:当选择课程自学后,系统会显示可用的课程编号和课程名,当用户选择了一个课程,系统会从数据库中调出课程名、课文、课后词汇信息。
  在线自测模块:用户可以选择单独对单选,阅读进行强化训练,或者做一个题型混合的模拟测试。其中在强化训练单选和阅读时,系统随机产生试题,不会限定完成时间,做完试题交卷后系统会计算成绩并显示出来。在做模拟测试时,系统随机产生题型混合的试题,可以根据需求设定测试时间,时间到时会自动交卷,在交卷后系统会计算并显示出分数。

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