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本课教学的主要特点之一,是要指导儿童学习用“解暗箱”的方法认识事物:根据可感知的情况间接推断不能直接感知的事物。这也是全日制小学自然教学大纲对本课的具体要求之一。 在教学中如何体现出这个特点呢?从整课教材来看,我们应抓住有关呼吸的作用(或意义)和呼吸运动这两部分的教学,来指导儿童学习用“解暗箱”的方法认识事物。 先谈谈呼吸作用的教学。由于呼吸是
One of the main features of this lesson is to guide children to learn things by “unmasking” methods: indirectly infer something that can not be perceived directly based on what is perceptible. This is also one of the specific requirements of this course for the full-time primary school nature syllabus. In the teaching of how to reflect this feature? From the whole textbook, we should seize the role of breathing (or meaning) and breathing exercises in these two parts, to guide children learn to use “solution” method of understanding thing. First talk about the role of breathing teaching. Because breathing is