一、题型“三特点” “无机框图推断题”作为高考考查元素化合物知识的热点题型，它的主要特点是：①结构紧凑，文字表述少；②包含信息多、综合性强，思维能力要求高；③具有很高的区分度和很好的选拔功能。二、解题“五步曲” 1．审：审清题意，从题干一问题一框图，迅 First, the question type “three characteristics” “Inorganic block diagram inferred questions” as the college entrance examination elemental compound knowledge of the hot topic type, its main features are: 1 compact structure, text description less; 2 contains more information, comprehensive strong, thinking ability Requirements are high; 3 has a high degree of differentiation and a good selection function. Second, the problem of “five steps” 1. Trial: review and clarify the meaning of a question, from the question to a block diagram of a problem, fast