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这篇课文作者介绍了自古以来被称为“天下奇观”的钱塘江大潮。这个板书就是抓住题目的字眼,以突出本课的主要内容。作者首先是概括介绍钱塘江大潮,然后按照观潮经过,“潮来之前”、“潮来之时”、“潮过之后”三部分,介绍了钱塘江大潮非凡的气势和雄伟的画面。教学时让学生懂得作者写的顺序正是事物本身发展变化的顺序。“潮来之时”是全文的重点。在这段里,作者根据观察顺序,由远而近地把听到的声音和看到的景象交叉在一起写了出来。这部分给人一个总的印象是:
The author of this article introduces the tide of Qiantang River which has been called as “wonders of the world” since ancient times. This is a blackboard writing is to grasp the subject of the words, to highlight the main contents of this lesson. The author first introduces the tide of the Qiantang River and then introduces the extraordinary momentum and majestic images of the Qiantang River tide according to the tide of the tide, the tide before, the tide of time and the tide of the tide. Teaching students to understand the order of writing is the order of development of things themselves. “The tide of time” is the focus of the full text. During this period, the author, according to the order of observation, wrote the sounds he heard and the scenes he had seen, far and near. This section gives the general impression that: