教师和学生是课堂里的主角。主角之间的交流的程度以及细节是一堂课最出彩的地方。那对于交流的主要方式———问与答,更是需要主持者———教师的精心设计。根据笔者几年的教学经验,下面就课堂提问的几个问题浅谈一些看法,以期抛砖引玉。一、首先要创设有效的化学问题情境—— Teachers and students are the protagonists in the class. The level of communication between the protagonists and the details of the class is the highlight of a class. That is the main way for the exchange of questions and answers, but also need to host --- teachers carefully designed. According to my years of teaching experience, the following questions about the classroom to talk about some of the questions, with a view to initiate. First, we must first create an effective chemical problem situation -