演讲词的结构线索,是贯穿于演讲词全篇中的关键词或事件。它不仅是引导演讲进入话题并使话题深入的一个重要条件,而且,在作者构思演讲词时,结构线索就应该已经作为作者组织材料的一个思路,进而连缀起文章全部材料的脉络,成为构成演讲词不可或缺的一个重要因素。李培根院士2010年6月23日在华中科大的演讲词就充分地体现了这 The structural clues of speech words are the key words or events throughout the speech. It is not only an important condition to direct the speech into the topic and to deepen the topic, but also the structure clue should be used as an idea of ​​the author’s organization material when the author constructs the speech, which further complements the context of all the materials in the article, An indispensable word is an important factor. Academician Li Peigen June 23, 2010 in Huazhong University of speech speech fully embodies this