两节联课之间虽然只有短短的十分钟.却是一次难得的二次备课机会。教师刚上完第一节课,对课堂各个环节的得失非常熟悉.往往会很快发现原来教学预案中存在的问题,如教学设计的某些环节不合理、课堂情景创设的某些细节不够完善、学生活 Although there are only ten minutes between two joint classes, it is a rare opportunity for secondary preparation. After the teacher finished the first class, he was very familiar with the successes and failures of various aspects of the classroom. He often found the problems in the original teaching plan. For example, some aspects of the teaching design were unreasonable and some of the details of the classroom setting were not perfect. Study life