笔者认为，小学阶段不管使用哪种版本的语文教材进行教学，学生中都不同程度地存在“同音代”（即写别字）问题，且都有写别字的“高峰期”。产生这一问题的客观原因主要是汉字同音字多，学生难以分辨。普通话不带调音节只有四百零几个，而常用字和次常用字（国家语委公布）就 The author believes that no matter what version of Chinese textbooks are used for teaching in primary school, there are “homophone” (ie, alphanumeric) problems in students, and all have “peak periods” in writing and alias. The objective reason for this problem is that there are many homophones in Chinese characters, and students find it hard to distinguish them. Mandarin without tuning section only four hundred and a few, and commonly used words and sub-commonly used words (National Committee announced)