repeat instruction

基本解释

Can you implement a "repeat last instruction" function?
您能实现一个“重复上一条指令”的函数吗？
Classes in junior and middle schools tend to have 50-60 students and they spend much of their time reciting. "Listen and repeat" is the teachers' main instruction.
初中和高中的教室一般有50到60个学生，他们花费大量的时间在背诵上面，“听然后照做”是他们老师的主要教学方法，有很多老师意识到现在班级的规模是个严重的问题，特别是在语言的学习上，但是解决这些问题的方法却很少。
There are a lot of problem based on the contradiction, such as lack of standard description, repeat construction, disjunction of resource and instruction, and the waste of reproduced resource.
这一悖论表征为我国信息化教学资源的一些凸显问题，如：缺乏标准描述、重复建设、资源建设与教学脱节、课堂生成性资源荒废等。