现代科技的高速发展和知识爆炸,使学习成为日常需要。不学习,无法胜任工作,甚至连生活也困难重重。有人说过,在农业经济时代,小学毕业的文化水平一辈子管用;在工业经济时代,大学毕业生的知识储备可以应对一生。进入当代社会,知识老化加速,几年不学习知识就陈旧不堪了。上世纪70年代,联合国教科文组织国际教育发展委员会发布了著名报 The rapid development of modern science and technology and the explosion of knowledge have made learning a daily necessity. Do not learn, can not do the work, and even life is also difficult. Some people have said that in the era of agricultural economy, the educational level of primary school graduation is in the works; in the era of industrial economy, the knowledge reserve of college graduates can cope with their whole life. Into the contemporary society, accelerated aging knowledge, a few years without learning knowledge on the old. 70s of last century, the UNESCO International Education and Development Committee released a famous newspaper