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2005年高考全国Ⅰ卷的计算题仍是三个题,从知识上看是以力学知识为主,只是用到简单的电学知识(电场力等于电场强度乘以电量、串联电路的分压规律)。三个题目由易到难的排序有明显的梯度。三个题目所用的情景是考生熟悉的情景,在第三题中用到光敏电阻与普通电阻的串联,可以算是较新的情景。从设问方面看,在最后的计算题中出现了少有的考查定量地画图象问题。从阅读量上看,最后一题的阅读量较大,500多字,同时伴有结构示意图。下面对每个题目提一些简单看法。
In the 2005 national college entrance exam I volume calculations are still three questions, from a knowledge point of view is based on mechanical knowledge, but use a simple electrical knowledge (electric field force is equal to the electric field strength multiplied by the amount of electricity, series circuit divider law) . There are obvious gradients in the ranking of the three topics from easy to difficult. The scenarios used by the three topics are familiar to the examinee. In the third question, the series connection of the photoresistor and the common resistance can be considered as a relatively new scenario. From the point of view of the design, there has been a rare question of quantitatively drawing images in the final calculations. From the reading point of view, the last question has a large amount of reading, more than 500 words, accompanied by a schematic diagram of the structure. Here are some simple ideas for each topic.