在教师的课堂教学中,问题贯穿整节课的每一个环节,它是课堂的中枢神经和重要载体。精心设计问题,探索有效问题教学,培养学生对信息获取→加工→处理→反馈→再加工的能力,是每个信息技术教师都会面临的现实课题。传统教学使用教学工具十分有限,形成了教师以“教”为主,学生以“学”为副的课堂格局,学生显然不会满足于老 In the teacher’s classroom teaching, the problem runs through every aspect of the whole class, which is the central nervous system and important carrier of the class. Careful design of the problem, to explore effective teaching, fostering students’ ability to access information → processing → processing → feedback → reprocessing is an actual subject that every information technology teacher will face. The traditional instructional tools for teaching use are very limited, forming a classroom pattern in which teachers mainly rely on “teaching” and students take “learning” as an example. Students obviously will not be satisfied with the old