当今世界，科学技术突飞猛进，知识经济已见端倪，综合国力的竞争越来越取决于一国科技文化水平和劳动者素质，取决于各类人才的数量和质量。同时，知识更新的速度日益加快，新生事物层出不穷。因而一次性的学校教育已经不能满足不断更新知识的需要，终身学习已成为当今社会发? In today’s world, science and technology are advancing by leaps and bounds, and the knowledge economy has taken shape. The competition in comprehensive national strength has increasingly depended on the science, technology and culture of a country and the quality of labors. It depends on the quantity and quality of various types of personnel. At the same time, the speed of knowledge renewal is accelerating day by day, new things emerge in an endless stream. Therefore, one-time school education can no longer meet the needs of constantly updating knowledge, and lifelong learning has become the social issue nowadays.