Most of us, however, take life for granted. We know that one day we must die, but usually we picture that day as far in the future. When we are in buo
好段：知识给人以爱,给人以光明,给人以智慧,应该说知识就是幸福,因为有了知识,就是摸到了有史以来人类活动的脉搏,否则就不懂人类生命的音乐!这些知识,像一道道彩虹,点亮了海伦心中的灯,照亮了她的内心世界,也架起了海伦和这个世界沟通的桥梁!是知识给了她生活的勇气,是知识给了她接受生命挑战的力量,使她能以