问题在生物教学中是培养学生的洞察能力,启发学生创造思维的起点。课堂提问是启发式教学的主要手段也是联系师生双边活动的一条重要纽带。可见,在教学中,问是很重要,也有艺术。如何才能科学地设置问题情境,正确地运用问题材料,以利于学生思维活动的积极开展呢?这就需要考虑到设置问题的类型、“四性”和“四度”。一、设置问题的类型1.设问教师提出问题,暂不作解释,也不让学生立即回答,而是师生带着这些问题去进行探索。设问一般用在研究某个知识点的开 The problem in biology teaching is to cultivate students’ insight and inspire students to start their thinking. Classroom questions are the primary means of heuristic teaching and are also an important link in the bilateral activities of teachers and students. Can be seen in the teaching, ask is very important, but also art. How to set the problem situation scientifically and how to use the problem material correctly to facilitate the active development of students’ thinking activities? This needs to take into account the type of the problem, the “four characters” and the “four degrees”. First, set the type of question 1. Let teachers ask questions, for the time being do not explain, nor allow students to immediately answer, but teachers and students to explore these issues. Suppose the question is generally used in the study of a knowledge point to open