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先进的教育理念告诉我们,课堂教学必须给学生以看、想、说、练的机会,从而调动学生学习的积极性、主动性,使他们成为课堂的主人,这样才能有利于培养学生的思维、想象、观察、运算、创新等能力。 (一)给学生看耳闻目睹,方能感受备至和心领神会,做到感知与理解相结合,这是教学的一项重要原则。 1.语言形象,讲课生动如表示一条直线是无限延伸的,平面是无限伸展的,教师使用好像看到它在延长着和伸展着的形象语言和表情;又比如,关于球面距离、经高、纬度的教学,我们可以借助于地球仪与小飞机,在上面找到北京、上海,可让学生指出它们所在的经度、纬度,然后看看飞机怎样飞才能尽快地经北京到达上海,飞机的飞行
The advanced education concept tells us that classroom teaching must give students the opportunity to see, think, speak and practice, so as to mobilize the enthusiasm and initiative of the students to learn and make them the masters of the classroom, so that they can help cultivate the students’ thinking and imagination. , observation, calculation, innovation and other capabilities. (1) Give students the ability to see and hear, to feel prepared and to understand, and to combine perception and understanding. This is an important teaching principle. 1.Language image, lecture vividly means that a straight line is infinitely extended, the plane is infinitely stretched, the teacher uses it as if he sees it in prolonged and extended image language and expression; for example, regarding spherical distance, high altitude, In latitude teaching, we can use globes and small planes to find Beijing and Shanghai above. Students can point out the longitude and latitude they are in. Then we can see how the plane can fly to reach Shanghai as quickly as possible.