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就上好初中生物课,我们在课堂结构和课外活动两个方面做了一些探讨,设计出四步教学程序,即设疑——共学——演练——应用.经试验,教学效果良好.第一步:设疑.为了打开学生的思路,课前,教师精心设疑.“疑”可以以多种类型的习题形式出现,如:填空题、是非题、选择题、填图题、简答题等等.“疑”,要设的适度,要注意知识水平的层次.对教材重、难点,给予分散设疑;对易混易错、易遗忘的知识点,要以多种形式重复设疑.“设疑”是“四步教学程序”取得成功的前提.
On the good junior high school biology class, we made some discussion on the classroom structure and extracurricular activities. We designed a four-step teaching program, namely, questioning-community learning-rehearsal-application. After experiments, the teaching effect was good. The first step: to set up suspicions. In order to open the students’ ideas, before the class, teachers carefully questioned. “Doubt” can appear in many types of exercises, such as: fill in the blank, yes and no, multiple choice, fill in the map, Jane Answer questions and so on. “Doubt”, should be set appropriate, we must pay attention to the level of knowledge level. The weight and difficulty of teaching materials, to give scattered doubts; easy to mix error-prone, easy to forget knowledge points, to be repeated in various forms Suspiciousness. “Questioning” is the precondition for the success of the “four-step teaching process.”