影响课堂管理的主要闻素有哪些?
参考答案:
(1)教师的领导风格;
(2)班级规模;
(3)班级性质;
(4)对教师的定型期望。
In relation to the law of contract, explain when the default of the debtor will constitute a breach of contract. (10 marks)
绘图题:画出卡套式管接头螺母拧紧圈数示意图。