创设情景诱发兴趣要使学生发现问题,抓住问题和思考问题,首先应引导学生进入问题、了解问题。开讲时如果能根据学生好奇好问的特点,设置一些问题,造成一种气氛,让他们一开始就带着急需解决的问题来听课,从而处于一种急于求知的心理状态。如有一位老师在讲“垂线”时,是这样开讲的: 有一天,小华家的厨房里安装自来水管。爸爸对他说:“小华,你现在已经是四年级学生了。你能不能用 Create a scene to induce interest To enable students to find problems, grasp the problems and think about the problem, we should first guide students to enter the problem, understand the problem. According to the characteristics of curiosity and good questioning, students should set some questions and make a kind of atmosphere so that they can take lessons from the very beginning with the problems to be solved urgently and thus be in a kind of anxious state of mind. If a teacher is talking about “vertical line”, it is this: one day, Xiaohua's kitchen to install water pipes. Dad said to him: "Xiaohua, you are now a fourth grader. Can you use