对于初二学生来说 ,在学到《思想政治》(上册 )第七课“依法制裁违法犯罪”时 ,时常提到犯罪的预备、中止、未遂和既遂几个概念 ,它们均属于故意犯罪的几种形态类型 ,极易混淆。因此 ,我们不妨从以下几个方面加以辨析 ,正确认识和理解这几个概念。犯罪预备　为了犯罪准备工具、 For the second grade students, when they learnt from the seventh lesson of “Ideology and Politics” (Volume I) “Illegality in Combating Sanctions According to Law,” they often refer to the concepts of preparation, suspension, attempted and endangerment of crimes. They all belong to deliberate crimes. The type of morphology is extremely confusing. Therefore, we may distinguish from the following aspects to correctly understand and understand these concepts. Criminal preparations for crime preparation tools,