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选择题具有知识覆盖面广、涉及内容多、灵活性较大的特点,每个小题就可以从一个方面的内容,按照前提的不同要求,在每个不同的选点上进行选择,因此它能比较全面地检查学生基础知识的理解和掌握情况。考查学生审题和分析、解决问题的能力,训练学生判断、推理和逻辑思维的能力。在中学化学教学中,要重视选择题的教学研究。从历年高考化学试题来看,选择题所占的比重逐年增大。由此可见,作好选择题,尽量减少不必要的失分,是高考取得
Multiple-choice questions have the characteristics of wide coverage of knowledge, multiple contents, and greater flexibility. Each short-term question can be selected from each aspect according to different requirements of the premise, and can be selected at each of the different points. Therefore, it can A more comprehensive examination of students’ basic knowledge and understanding. Examine students’ ability to examine questions and analyze and solve problems, and train students’ judgment, reasoning and logical thinking skills. In chemistry teaching in middle schools, we must pay attention to the teaching research of multiple-choice questions. Judging from the chemical examination questions of the college entrance examinations over the years, the proportion of multiple-choice questions has increased year by year. From this it can be seen that making multiple choices and minimizing unnecessary points is the result of the college entrance examination.