综观历年来的全国和各地的理科综合题中的化学试题和各地的高考化学题,不难发现,作为中学化学最基础和最重要一环的初中化学知识在高考命题中一直倍受青睐,纯初中化学知识的考查少的占10%,多的甚至高达30%,重要的重点知识的考查率几乎达到了100%,这充分说明了学好初中化学知识是高考成功的 Looking at the chemistry questions in the comprehensive science questions of the country and around the country and the chemistry questions in the local college entrance exams over the years, it is not difficult to find that the knowledge of junior middle school chemistry, which is the most basic and most important part of middle school chemistry, has always been highly favored in the college entrance examination proposition. There are 10% less junior high school chemistry knowledge, even as much as 30%, and the examination rate of important key knowledge is almost 100%. This fully shows that learning junior high school chemistry knowledge is a successful college entrance examination.