“提问是教学的核心”。在信息技术课堂中,提问是师生交流的一种渠道,是引发学生思维的一种最直接的方式,如何提问,又如何有效提问是一项重要的教学技能。本文就常见的几种无效提问进行剖析反思,提出了有效提问需遵循“七度”要求的理论。 “Question is the core of teaching ”. In the information technology classroom, asking questions is a kind of channel for teachers and students to communicate. It is the most direct way to trigger students’ thinking. How to ask questions and how to ask questions effectively is an important teaching skill. In this paper, several common invalid questions are analyzed and reconsidered, and the theory of “seven degrees” required for effective questioning is put forward.