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多年来,我听过不少老师的精采讲课,他们那生动的语言,精湛的论述,形象的比喻,至今仍然记忆犹新,言犹在耳。为什么这些老师能把课讲得如此具有吸收力和感染力呢?我觉得很重要的一条,就是他们掌握了讲课语气的艺术,并做到了科学性、思想性和语言艺术性的完美统一。语言是一种艺术,它是教学过程中最重要、最常用,然而又最难用好的一种工具。如今是知识爆炸的时代,近十多年来的新科学、新技术、新创造、新发明、新发现,甚至比过去两千年的总和还要多。全世界每年发表的科学论文就有五百万篇,有登记的创造发明,也有三十多万件,大约五年
Over the years, I have heard many excellent lectures by teachers. Their vivid language, elaborate expositions and vivid metaphors are still fresh in my memory. Why do these teachers can make the class so absorptive and contagious? One of the important things I think is that they mastered the art of lecturing and did the perfect unification of science, thought and language. Language is an art, it is the teaching of the most important and most commonly used, but the most difficult to use a good tool. Today is an era of knowledge explosion, with more new science, new technologies, new inventions, new inventions and new discoveries in the past decade or more than the sum of the last two millennia. There are 5 million scientific papers published each year in the world, there are registered inventions, there are more than 300,000, about five years