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一、创设情境,提出问题师:我们的家乡落花潭山清水秀。我们都爬过坡、上过山,谁愿意说一说上山的路是什么样子的?用手比划一下,好吗?(学生动手比划,教师在黑板画“S”形的路。)师:像这样依山体形态,弯曲盘绕成“S”型的路,叫做盘山公路。同学们,你们知道山上的公路为什么修成这样吗?生:为了方便。生:这样坡就变小了。生:上山就不会很吃力了。师:是不是像大家所说的那样呢?这一节课我们就来研究《盘山公路》。
First, create the situation, ask the question division: Our hometown beautiful flowers and beautiful mountains. We all climb the slope, go up the hill, who would like to talk about the way up the mountain is like? Gestures about it, okay? (Student gestures, the teacher draws on the blackboard “S” shape of the road.) Teacher: Like this mountain-shaped body, bent into a “S” -type road, called the winding road. Classmates, do you know why the mountain road is built like this? Health: for convenience. Health: This slope becomes smaller. Health: going uphill will not be very difficult. Teacher: Is it like what everyone said? In this lesson, we will study “Panshan Road.”