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选择题以概念性强、覆盖面广、解法灵巧、评分客观等特点,颇受命题者的青睐,成为各类考试或竞赛的主要题型。但在具体的编拟过程中,除了遵循命题的一般原则之外,还要注意到选择题自身的特点。本文就选择支的设计谈几点看法,不妥之处,恳请同行教正。 1.完备性 这里所说的完备性,是指选择题必须有正确的选择支。 例1 如果函数y=sin(ωx)cos(ωx)的最
The multiple-choice questions are characterized by strong concept, wide coverage, dexterous method of solution, and objective evaluation. They are favored by propositionalists and have become the main questions in various examinations or competitions. However, in the specific preparation process, in addition to following the general principles of the proposition, we must also pay attention to the characteristics of the multiple-choice questions. This article discusses several points of view on the design of the branch, and it is inappropriate to invite colleagues to teach it. 1. Completeness The completeness mentioned here means that the multiple choice must have the correct choice. Example 1 If the function y=sin(ωx)cos(ωx)