一、比同求异、揭示本质 事物的本质特征是指一事物区别于另一事物的主要标志。这个标志从哪里来?是从比较中求得。因此,教师要引导学生把相似的事物罗列出来,先把它们之间的相似点比较出来,在此基础上,同中显异,从而得出它们之间相互区别的标志。 初中语文第三册第一单元的五篇课文《中国石拱 First, the difference between the same and revealing the essence of the essential characteristics of things refers to a thing that distinguishes the main symbol of another thing. Where does this sign come from? Therefore, teachers should guide students to list similar things, first compare the similarities between them, and on this basis, show differences in the same thing, and thus draw a sign that they are different from each other. Five chapters of the first unit of the junior high school language book "The Stone Arch of China