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阅读每年的各地高考试题,许多考题总感觉平时练习中出现过,仔细分析往往发现还是有点“小”变化,当然有的“小”变化可能对解答没有影响,但这些“小”变化会使问题发生本质变化,可能引发“大”不同,如果不注意,就有可能出现错误.本文通过对2013年高考理综(山东卷)第22题的拓展研究,和大家一起体会这种“小”变化可能引发的“大”不同,同时体会命题专家命题的精妙,有一定的参考价值.
Reading the annual college entrance examination examination questions, many questions always feel common practice appeared in the past, careful analysis often found a little “small ” changes, of course, some “small ” changes may have no effect on the solution, but these “Change will make the problem inherently change, may lead to ” big “different, if you do not pay attention, there may be errors.This article through 2013 on the college entrance examination science (Shandong volume) 22nd expansion research, and everyone Understand this ”small “ changes may lead to ”big " different, at the same time realize the subtle proposition expert proposition, a certain reference value.