近年来高考化学试题注意了检查学生对基础知识的理解和掌握程度,尤其注意测试考生分析问题和解决问题的能力。八一年化学试题第六题第1小题就是一例。乍看起来,这个小题并不很难,但据我们对评阅过的试卷中的情况来看,发现其中完全答对的不足千分之一。那么,出现这 In recent years, the college entrance examination chemistry examination has paid attention to the students’ understanding of the basic knowledge and the degree of mastery, especially the ability of test candidates to analyze problems and solve problems. The 1st issue of the 6th issue of the chemistry test in the 8th year is an example. At first glance, this question is not very difficult, but according to the situation in our review of the examination papers, we find that the correct answer is less than one-thousandth. Well, this appears