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选择题是中考试题中的主要题型之一.解答选择题只需迅速而又准确的从题目所提供的答案中选出那个正确的结果,无需像证明题那样写出推理过程,也不必像计算题那样写出算式.所以,对于正确的结论,常可采用特殊的方式予以肯定;对于那些需要否定的结论,亦可采用特殊的方法加以剔除.本文以江苏省1993年中考试题中的选择题为素材,向大家介绍一些解选择题的方法.一、特例法当问题中的选择对象是针对一般情况给出的时候,我们常常可以采
The multiple-choice questions are one of the main questions in the middle exam questions. Answering a multiple-choice question requires only rapid and accurate selection of the correct result from the answers provided by the question. There is no need to write a reasoning process like a proof question, nor do you have to Calculation formulas are written as calculation formulas. Therefore, for the correct conclusions, they can always be affirmed in a special way. For those conclusions that need to be negated, special methods can also be used to eliminate them. This article uses the selection from the 1993 middle school examination in Jiangsu Province. The title is material and introduces some methods to solve the multiple-choice questions. First, the special case law When the object of choice in the question is given for the general situation, we can often