由于目前严峻的就业形势和一些守旧的观念,导致中职学生的生源普遍较差,他们的行为习惯不是很好,学习热情也不高,学习目标不明确等等,这一系列的问题经常导致中职课堂出现这样的情况:老师提出问题,请一位学生回答时,你会看见有的学生东张西望,有的学生交头接耳,甚至有的学生旁若无人地干着自己的事…… Due to the current harsh employment situation and some old-fashioned concepts, secondary vocational students are generally poor students, they are not good at behavior, lack of enthusiasm for learning, and their learning objectives are not clear. This series of problems often leads to Vocational classroom appeared such a situation: the teacher asked a question, ask a student to answer, you will see some students looking around, some students whispering, and even some of the students as if no one to do their own thing ......