高考试题要求立意鲜明、情境新颖、设问巧妙,突出对学生能力的考查.有不少试题是命题者根据考试大纲的要求,对已有的试题进行改造与重组,从而转化为新情境下的考查内容,以区分和鉴别不同考生的能力水平.近年来的高考命题对此进行了一些有益的探索,2007年高考理综全国卷Ⅰ第25题 The high test questions require clear-cut ideas, novel situations, clever design, and highlighting the examination of students’ abilities. There are many questions that the propositioners need to modify and reconstruct the existing test questions according to the requirements of the examination outline, thus transforming them into new situations. Examine the content to distinguish and discriminate the ability level of different examinees. In recent years, the college entrance examination proposition has carried out some beneficial explorations. In 2007, the college entrance examination and comprehensive national volume I item 25