由于受到区域经济、教育的影响,中学信息技术教学总会面临学生水平参差不齐的状况。据统计,每年进入我校学习的学生之中,信息技术属于零起点的大约占1/3,基础一般的占1/3,参加过系统学习和培训、有较高操作能力与理论水平的也占近1/3。虽然发展性教学理论认为“差异是一 Due to the impact of regional economy and education, IT teaching in secondary schools always faces the uneven level of students. According to statistics, among the students who enter our school every year, the information technology is about one-third of the starting point and one-third of the basic ones. They have participated in systematic study and training and have higher operational ability and theoretical level Also accounted for nearly 1/3. Although the development of teaching theory that ”difference is one