所谓类比,就是将两个(或两类)研究对象进行对比,分析它们的相同或类似之处,相互的联系和所遵循的规律,然后根据它们在某些方面有相同或相似的属性,进一步推断它们在其他方面也可能有的相同或类似的属性。这种方法在化学教学中经常应用,特别在新课改形势下,学科知识点的安排,跨度非常大,知识面广,要求教师在课堂地能运用各 The so-called analogy is to compare two (or two) types of research objects, analyze their similarities or similarities, mutual relations and laws followed, and then further according to their similar or similar attributes in certain aspects. Inferring that they may have the same or similar properties in other aspects. This method is often used in chemistry teaching, especially in the context of the new curriculum reform, the arrangement of subject knowledge points is very large, wide knowledge, teachers are required to use each in the classroom