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(2016·江苏卷·11)“谷贱伤农”是我国流传已久的一句俗语,指在丰收的年份,农民的种粮收入反而减少的现象。假设其他条件不变,图1(d表示需求曲线,s表示供给曲线)中能反映这一现象的是()命题者给出的参考答案是C。这是一条坐标曲线类选择题。坐标曲线是用数学方法来表达经济关系的曲线,具有直观明了、易于分析等优点,在实现考核目标,考查学生获取和解读信息、调动和运用知识、描述和阐释经济现象的能力等方面,发挥着重要作用。但是,由于命题者没有把握好正确的题肢要“最符合题意”这一命题原则,本题成为一道无解题,不能不说是一件憾事。
(2016 · Jiangsu Volume · 11) Valley low prices hurt farming is a popular Chinese saying, referring to the year of harvest, farmers grow less food but the phenomenon of income. Assuming the other conditions remain unchanged, the reference answer given by the proponent is () () () () () () () This is a coordinate curve type multiple choice questions. Coordinate curve is the mathematical expression of the economic relationship curve, intuitive, easy to analyze, etc., in achieving the objectives of the examination, examine the students to obtain and interpret the information, transfer and use of knowledge, to describe and explain the economic ability of the ability to play An important role. However, since the proponent did not grasp the principle of the proposition that the right subject should be “the most appropriate question”, this question becomes a problem-free one, which can not be ignored.