论文部分内容阅读
1996年全国初中化学竞赛结束后，对我区成绩在前100名考生的答卷情况进行了认真的分析。获取了下列有关信息。特将它写出来，为今后有志于辅导竞赛的初中化学老师提供一份有益的资料。（竞赛试题见附录）一、失分情况分析第1题做错率为41％（其中多数错选C、其次错选A）。题中
After the National Junior Chemistry Competition in 1996, a careful analysis of the performance of the top 100 candidates in our district was conducted. Obtained the following related information. Specially written it out to provide a useful information for junior high school chemistry teachers interested in coaching contests. (The contest questions are shown in the appendix.) I. Analysis of the scores of mistakes The error rate for the first question was 41% (most of them were wrongly selected C, the second wrongly selected A). Question