现在，很多地方的公开课、观摩课、示范课都时兴“包装”，老师事先到班上进行演练，并请上一些教学经验丰富的权威、领导当“参谋”，全班几十名学生，各就各位，领取各自的任务，排练一遍后，“参谋”们便就演练的不足之处各抒己见。如此反复几遍，老师学生讲得、听得、练得 At present, open classes, observation classes, and demonstration classes in many localities are all fashionable and “packaged.” Teachers first go to the class to conduct drills, and invite some teaching-experienced authorities and leaders to be “scholars” and dozens of students in the entire class. Each of you, each of you, receives your own tasks, and after rehearsing it again, the “visitors” gave their opinions on the inadequacies of the drills. Repeatedly so many times, teachers and students speak, hear, and practice