建构主义教学观认为有效教学必须建基于学生的当前学情。因此,在高中生物教学中,为了确保和提升课堂教学的实效性,教师有必要充分了解学情。那么教师可以诉诸何种策略来了解呢?一、提问和检查作业问题不一定都是在整个小组讨论的时候才产生的,教师可以多走到学生当中,通过与学生的交流和沟通对学生进行提问,倾听学生的回答,利用这些场合将有效的提问策略作为有效评价的 The constructivist teaching concept is considered effective teaching must be based on the students’ current learning. Therefore, in high school biology teaching, in order to ensure and enhance the effectiveness of classroom teaching, teachers need to fully understand the situation. Then teachers can resort to what kind of strategy to understand it? First, the questions and check the operation of the problem are not always generated when the entire group discussion, teachers can go more students among them through the exchange and communication with students students Ask questions, listen to students’ answers, use these occasions to effectively question strategy as an effective assessment