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在国际通讯和交往日益频繁的现代,让学生掌握时区和日界线的概念,学会标准时的换算及国际日期的调整很有必要。由于时区和日界线的概念比较抽象,学生不易理解;而概念理解不清,标准时的换算及国际日期的调整就容易差错。就知识本身而言,时区和日界线的概念虽然比较抽象,但并不十分复杂,运用适当的教学方法不难讲清;可是从教学的实际情况来看,要
In the modern world where international communications and contacts are increasingly frequent, it is necessary for students to grasp the concepts of time zone and date line, and to learn the conversion of standards and the adjustment of international dates. Because the concepts of time zone and date line are relatively abstract, students are not easy to understand; while the concept is unclear, standard time conversion and international date adjustment are easy to mistake. As far as knowledge itself is concerned, although the concept of time zone and date line is relatively abstract, it is not very complicated. Using appropriate teaching methods is not difficult to explain; but from the actual situation of teaching,