在2005年的五套理综试卷(全国卷Ⅰ、Ⅱ、Ⅲ、北京卷、天津卷)中,共有8道无机推断题,共130分,占五套理综试卷第Ⅱ卷化学题总分值的46％．无机推断题是多年来高考必考的一种既能考查知识水平,又能考查能力水平的综合性题型,具有条件隐蔽、综合性强、思维容量大等特点,一直受到命题专家的青睐． In the five comprehensive physical examination papers in 2005 (National Vol. I, II, III, Beijing, Tianjin), there are 8 inorganic inference questions, a total of 130 points, accounting for the total number of chemistry questions in the five sets of physical examination papers. 46% of the value. The inorganic inference question is a comprehensive question type which can not only examine the level of knowledge, but also examine the ability level for many years of college entrance examination. It has the characteristics of hidden conditions, strong comprehensiveness, and large capacity of thinking, and has always been favored by proposition experts.