“信息型方程式”信息新颖、新旧相承、设问奇特、灵活性强。近年来各地高考中出现频率较高,它能较好地考查学生接受、提取、处理新信息的能力,根据信息结合已有知识分析与解决问题的应变能力,备受命题人的青睐。一、直写式对于题设信息比较直接的问题,如已知主要的反应物和生成物时,只要审清题意、理解信息后,就可以直接写出化学 “Information equation ” new information, the old and new, set the peculiar, flexible. In recent years, college entrance examination in various places appear higher frequency, it can better examine the students to accept, extract, handle the new information ability, according to the information combined with existing knowledge to analyze and solve the problem adaptability, much proposition favor. First, the direct write For the problem of setting information more direct problems, such as the known major reactants and products, as long as the purported to understand the information, you can write directly to the chemical