20年前，一场关于实践是检验真理唯一标准问题的大讨论曾经席卷全国。这场讨论，成为党的十一届三中全会的思想先导，也成为20年改革开放的思想先导。今天，在面向新世纪。全面推进建设有中国特色社会主义伟大事业之际，纪念这场讨论，总结历史经验和启示，是很有意义的。一、 Twenty years ago, a big discussion on the issue of practice as the sole test of truth had swept across the country. This discussion has become the ideological precursor of the Third Plenary Session of the Eleventh Central Committee of the Party and has also become the precursor of ideology for 20 years of reform and opening up. Today, facing the new century. On the occasion of comprehensively promoting the great cause of building socialism with Chinese characteristics, it is of great significance to commemorate this discussion and sum up historical experience and enlightenment. one,