正如古人所说:学起于思,思源于疑。问题意识是学习的起点,是主动探究的动力。但在实际教学中,一些教师不知怎样让学生生成问题,有些人甚至不敢让学生大胆提问(特别是在公开课上);一些教师虽然也让学生提问,但问归问,教归教,教与学不相统一,并且在问的过程中又忽视指导,使学生提 As the ancients said: learning from thinking, thinking from doubt. Problem awareness is the starting point for learning and the driving force for active inquiry. However, in the actual teaching, some teachers do not know how to make the students generate problems. Some of them even dare not let the students make bold questions (especially in the open class); while some teachers ask the students to ask questions, Teaching and learning are not unified, and neglected in the process of asking guidance, so that students mention