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【教学内容】浙教版四年级上册第二单元。【教学过程】一、课前导入师:什么样的线叫直线?生:很直很直的那种线。师:这位同学说得真好,确实直线是很直很直的。还有一位同学认为是很平、很长、很直的线,请这位同学来说一说。生:就是很直很直,又是很长很长的那种线。师:到底有多长呢?生:很远很远,无边无际,无限长。师:同学们说得太好了,像刚才同学们说的又直又无限长
Teaching content】 【Zhejiang PEP fourth grade on the second unit. 【Teaching process】 First, before class teacher: What kind of line is called a straight line? Health: Straight straight line. Teacher: The classmate said really good, really straight is very straight. There is also a classmate that is very flat, very long, very straight line, please the classmate said. Health: It is very straight, it is a very long and long line. Teacher: How long is it? Health: Far, far, boundless, infinite. Teacher: The students said so well, just like the students said straight and unlimited long