教育改革的主题是:素质教育,提高学生的全面的素质。随着科学技术、社会的发展,“素质”的内涵在不断的改变,外延也在不断地向外延伸。这就为教育教学的改革拓出了一条没有止境的路。随着科学技术的日益发展,投影机、显微投影机、多媒体电脑等等作为新的教学仪器陆续 The theme of education reform is: quality education, improve students’ overall quality. With the development of science and technology and society, the connotation of “Quality” is constantly changing, and the extension is also continuously extended. This has created an endless road for the reform of education and teaching. With the development of science and technology, projectors, micro-projectors, multimedia computers, and so on, as new teaching instruments