千层宝典一翻开,黑白横纵一排排。历代往事它记载,知识没它传不开。你能猜出这个谜语的谜底吗?对,它就是“人类进步的阶梯”、“人类数千年来的智慧结晶”——书。我们都知道人类的进步和社会的发展都离不开书。莎士比亚曾说过,生活里没有了书籍,就好像没有了阳光;智慧里没有了阳光,就好像小鸟没有了翅膀。皮罗果夫 Melaleuca Collection opened, black and white vertical and horizontal rows. It records the past events, but it has not passed the knowledge. Can you guess the answer to this riddle? Right, it is “the ladder of human progress,” “the crystallization of human wisdom for thousands of years.” We all know that human progress and social development are inseparable from the book. Shakespeare once said that there are no books in life, as if there was no sunshine; there was no sunshine in wisdom, as if the bird had no wings. Pirogon