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纵观历年各地高考题,在《行星地球》这一章,考查最多的是时间的计算。但是该部分内容是一个教学的难点,更是学生学习的难点,在平时的教学中发现,用传统的教法,学生做题时对时错,搞不清楚到底是怎么回事。鉴于此,我总结出另一种十分有效的教学方法:一、地方时计算公式(1)某地的地方时=已知地的地方时±地方时差(东+西-)
Throughout the calendar year college entrance examination questions, in the “Planet Earth” chapter, examining the most is the calculation of time. However, this part of the content is a difficult teaching, but also difficult for students to learn, found in the usual teaching, with the traditional teaching methods, students make the right time wrong, do not know exactly what is going on. In view of this, I have summarized another very effective teaching method: First, the local time calculation formula (1) a place of time = a known place when the local time difference (East + West -)