一、前言21世纪,以计算机和网络通讯为核心的信息技术在社会各个领域中得到广泛应用,信息的获取、分析、处理、发布和应用能力将成为衡量现代人基本能力和文化水平的重要标志。培养学生的信息素养,提高学生处理和运用信息的能力,成为新世纪教育的重要内容和任务。当前新课程改革的目的就在于使学生具有获取信息、传输信息 I. Introduction In the 21st century, information technology with computer and network communication as the core has been widely used in all fields of society. The ability to acquire, analyze, handle, publish and apply information will become an important indicator of the basic abilities and cultural standards of modern people . To cultivate students’ information literacy and improve their ability to handle and use information has become an important content and task of education in the new century. The purpose of the current new curriculum reform is to enable students to acquire information and transmit information