1.导语浮华,有失于“实质”上公开课,追求先声夺人本无可厚非,但是只为有个漂亮的开头,极力追求文采,而忽略了导语表达的准确性,不注意导语为下文起到的张本作用,忽略与整堂课之间的和谐,实在是浮华的表现,缺少对导语实质的正确认识。2.信口开河,有失于“准确” 1. The introduction was flashy and there was a loss in the “substantial” on the open class. There was nothing wrong with pursuing the prelude. However, it only had a beautiful beginning and pursuing literary talents. It ignored the accuracy of the expression, and did not pay attention to the introduction. The role played by Zhang Ben, ignoring the harmony with the entire class, is indeed a flashy manifestation, lacking a correct understanding of the essence of the guide. 2. Open the mouth, lost in “accurate”